{"id":2146,"date":"2021-01-08T08:00:00","date_gmt":"2021-01-08T01:00:00","guid":{"rendered":"https:\/\/drsoaraweeurology.com\/?p=2146"},"modified":"2026-08-30T02:55:31","modified_gmt":"2026-08-29T19:55:31","slug":"cisti-renale-cosa-fare","status":"publish","type":"post","link":"https:\/\/drsoaraweeurology.com\/it\/2021\/01\/08\/kidney-cyst-what-to-do\/","title":{"rendered":"Kidney Cyst Found on a Health Checkup: Should You Worry?"},"content":{"rendered":"\n<div class=\"wp-block-columns coblocks-author-columns has-background is-layout-flex wp-container-core-columns-is-layout-52275889 wp-block-columns-is-layout-flex\" style=\"background-color:#8C8C971A;padding-top:2.5rem;padding-right:2.5rem;padding-bottom:2.5rem;padding-left:2.5rem\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image size-full is-style-rounded\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" data-attachment-id=\"7037\" data-permalink=\"https:\/\/drsoaraweeurology.com\/it\/new-photo-2024\/\" data-orig-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?fit=800%2C800&amp;ssl=1\" data-orig-size=\"800,800\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"Dr. Soarawee Weerasopone \u2014 Board-Certified Urologist in Bangkok, Thailand\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Dr. Soarawee Weerasopone \u2014 Board-Certified Urologist in Bangkok, Thailand&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?fit=800%2C800&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?resize=800%2C800&#038;ssl=1\" alt=\"Best Urologist working in Chonburi and Cambodia\" class=\"wp-image-7037\" srcset=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?resize=12%2C12&amp;ssl=1 12w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?resize=600%2C600&amp;ssl=1 600w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?resize=400%2C400&amp;ssl=1 400w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2023\/12\/New-Photo-2024.png?resize=200%2C200&amp;ssl=1 200w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<p class=\"wp-block-paragraph\"><strong><a href=\"https:\/\/drsoaraweeurology.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">Soarawee Weerasopone, Urologist<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.bangkokhospital.com\/en\/bangkok\/doctor\/dr-soarawee-weerasopone-2\" target=\"_blank\" rel=\"noreferrer noopener\">Bangkok hospital Headquarter, Bangkok<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"tel:+66880221445\" target=\"_blank\" rel=\"noreferrer noopener\">Samitivej Sriracha Hospital \u2014 Urology department: <strong>088-022-1445<\/strong><\/a><\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link has-background-background-color has-text-color has-background has-link-color has-small-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/www.bangkokhospital.com\/en\/bangkok\/doctor\/dr-soarawee-weerasopone-2\" style=\"color:#1b4965\" target=\"_blank\" rel=\"noreferrer noopener\">Book a Consultation<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<ul class=\"wp-block-social-links aligncenter has-normal-icon-size is-style-default coblocks-animate is-content-justification-center is-layout-flex wp-container-core-social-links-is-layout-3e41869c wp-block-social-links-is-layout-flex\"><li class=\"wp-social-link wp-social-link-wordpress wp-block-social-link\"><a href=\"https:\/\/drsoaraweeurology.com\/\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M12.158,12.786L9.46,20.625c0.806,0.237,1.657,0.366,2.54,0.366c1.047,0,2.051-0.181,2.986-0.51 c-0.024-0.038-0.046-0.079-0.065-0.124L12.158,12.786z M3.009,12c0,3.559,2.068,6.634,5.067,8.092L3.788,8.341 C3.289,9.459,3.009,10.696,3.009,12z M18.069,11.546c0-1.112-0.399-1.881-0.741-2.48c-0.456-0.741-0.883-1.368-0.883-2.109 c0-0.826,0.627-1.596,1.51-1.596c0.04,0,0.078,0.005,0.116,0.007C16.472,3.904,14.34,3.009,12,3.009 c-3.141,0-5.904,1.612-7.512,4.052c0.211,0.007,0.41,0.011,0.579,0.011c0.94,0,2.396-0.114,2.396-0.114 C7.947,6.93,8.004,7.642,7.52,7.699c0,0-0.487,0.057-1.029,0.085l3.274,9.739l1.968-5.901l-1.401-3.838 C9.848,7.756,9.389,7.699,9.389,7.699C8.904,7.67,8.961,6.93,9.446,6.958c0,0,1.484,0.114,2.368,0.114 c0.94,0,2.397-0.114,2.397-0.114c0.485-0.028,0.542,0.684,0.057,0.741c0,0-0.488,0.057-1.029,0.085l3.249,9.665l0.897-2.996 C17.841,13.284,18.069,12.316,18.069,11.546z M19.889,7.686c0.039,0.286,0.06,0.593,0.06,0.924c0,0.912-0.171,1.938-0.684,3.22 l-2.746,7.94c2.673-1.558,4.47-4.454,4.47-7.771C20.991,10.436,20.591,8.967,19.889,7.686z M12,22C6.486,22,2,17.514,2,12 C2,6.486,6.486,2,12,2c5.514,0,10,4.486,10,10C22,17.514,17.514,22,12,22z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">WordPress<\/span><\/a><\/li>\n\n<li class=\"wp-social-link wp-social-link-linkedin wp-block-social-link\"><a href=\"https:\/\/www.linkedin.com\/in\/soarawee-weerasopone\/\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M19.7,3H4.3C3.582,3,3,3.582,3,4.3v15.4C3,20.418,3.582,21,4.3,21h15.4c0.718,0,1.3-0.582,1.3-1.3V4.3 C21,3.582,20.418,3,19.7,3z M8.339,18.338H5.667v-8.59h2.672V18.338z M7.004,8.574c-0.857,0-1.549-0.694-1.549-1.548 c0-0.855,0.691-1.548,1.549-1.548c0.854,0,1.547,0.694,1.547,1.548C8.551,7.881,7.858,8.574,7.004,8.574z M18.339,18.338h-2.669 v-4.177c0-0.996-0.017-2.278-1.387-2.278c-1.389,0-1.601,1.086-1.601,2.206v4.249h-2.667v-8.59h2.559v1.174h0.037 c0.356-0.675,1.227-1.387,2.526-1.387c2.703,0,3.203,1.779,3.203,4.092V18.338z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">LinkedIn<\/span><\/a><\/li>\n\n<li class=\"wp-social-link wp-social-link-mail wp-block-social-link\"><a href=\"mailto:bhquro@bdms.co.th\" class=\"wp-block-social-link-anchor\"><svg width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" focusable=\"false\"><path d=\"M19,5H5c-1.1,0-2,.9-2,2v10c0,1.1.9,2,2,2h14c1.1,0,2-.9,2-2V7c0-1.1-.9-2-2-2zm.5,12c0,.3-.2.5-.5.5H5c-.3,0-.5-.2-.5-.5V9.8l7.5,5.6,7.5-5.6V17zm0-9.1L12,13.6,4.5,7.9V7c0-.3.2-.5.5-.5h14c.3,0,.5.2.5.5v.9z\"><\/path><\/svg><span class=\"wp-block-social-link-label screen-reader-text\">Email<\/span><\/a><\/li><\/ul>\n\n\n\n<style>\n\/* Hover effect for Social Dr Pom Block - Social Icons *\/\n.wp-block-social-links .wp-social-link {\n  transition: transform 0.2s ease, opacity 0.2s ease !important;\n}\n.wp-block-social-links .wp-social-link:hover {\n  transform: scale(1.15);\n  opacity: 0.9;\n}\n<\/style>\n\n<div class=\"dr-pom-academic-icons\" style=\"display: flex; gap: 16px; margin-top: 12px; align-items: center; justify-content: center;\">\n  \n  <a href=\"https:\/\/www.researchgate.net\/profile\/Soarawee-Weerasopone\" \n     target=\"_blank\" \n     rel=\"noopener\"\n     title=\"ResearchGate Profile\"\n     aria-label=\"View ResearchGate Profile\"\n     style=\"text-decoration: none; color: #00CCBB; transition: transform 0.2s; display: inline-block;\"\n     onmouseover=\"this.style.transform='scale(1.15)'\"\n     onmouseout=\"this.style.transform='scale(1)'\">\n    <svg width=\"28\" height=\"28\" viewBox=\"0 0 24 24\" fill=\"currentColor\">\n      <path d=\"M19.586 0c-.818 0-1.508.19-2.073.565-.563.377-.97.936-1.213 1.68a3.193 3.193 0 0 0-.112.437 8.365 8.365 0 0 0-.078.53 9 9 0 0 0-.05.727c-.01.282-.013.621-.013 1.016a31.121 31.121 0 0 0 .014 1.017 9 9 0 0 0 .05.727 7.946 7.946 0 0 0 .077.53h.001c.024.115.06.262.112.438.243.743.65 1.303 1.213 1.68.565.376 1.255.564 2.073.564.8 0 1.536-.213 2.105-.603.57-.39.94-.916 1.175-1.65.076-.235.135-.558.177-.93a15.4 15.4 0 0 0 .063-1.207v-.512a.27.27 0 0 0-.273-.273h-2.95a.27.27 0 0 0-.274.273v.785c0 .228.0.343.273.343h1.337c.094 0 .14.045.14.137 0 .61-.063 1.043-.155 1.318-.182.546-.7 1.018-1.683 1.018-.654 0-1.135-.114-1.475-.356-.34-.244-.55-.585-.658-1.024a3.797 3.797 0 0 1-.111-.43 5.515 5.515 0 0 1-.06-.51 19.85 19.85 0 0 1-.025-.726c-.004-.28-.004-.628-.004-1.045 0-.418 0-.766.004-1.046a19.85 19.85 0 0 1 .025-.726 5.475 5.475 0 0 1 .06-.51 3.785 3.785 0 0 1 .111-.43c.108-.44.318-.78.658-1.024.34-.243.82-.357 1.475-.357.6 0 1.064.078 1.413.293.347.215.595.515.74.91.063.155.166.21.31.156l.967-.4c.15-.058.187-.18.13-.32a3.025 3.025 0 0 0-1.262-1.452C21.12.218 20.428.0 19.586 0zM8.512 4.32c-2.7 0-4.066.997-4.066 3.06v.04c0 1.92.992 2.83 3.046 2.83 1.27 0 2.038-.39 2.385-1.05h.13l.067.51c.04.2.207.34.41.34h.99V7.95c0-2.59-1.06-3.63-2.962-3.63zm-.18 1.61c1.118 0 1.628.56 1.628 1.86v.4l-1.65.16c-1.35.13-1.86.46-1.86 1.13v.04c0 .67.41 1.06 1.45 1.06.85 0 1.55-.32 1.93-.84.04-.06.13-.07.18-.02.05.03.07.1.07.16v.43c0 .26.13.42.34.42h1.05c.21 0 .34-.16.34-.42v-3.6c0-1.94-1.13-2.83-3.46-2.83-1.94 0-3.07.86-3.4 2.04l1.55.45c.18-.69.6-1.04 1.83-1.04zM2.135 16.314c-.587 0-1.066-.156-1.434-.469-.367-.312-.618-.704-.752-1.176-.034-.124-.061-.232-.082-.327a3.794 3.794 0 0 1-.044-.366 8.83 8.83 0 0 1-.022-.547C0 13.221 0 12.985 0 12.704c0-.281 0-.515.001-.704a8.81 8.81 0 0 1 .022-.547 3.802 3.802 0 0 1 .044-.366c.02-.094.048-.203.082-.328.134-.471.385-.864.752-1.176.368-.313.847-.469 1.434-.469.477 0 .892.087 1.246.262.353.175.622.443.806.804.044.083.083.157.117.222.034.066.069.144.105.235.022.054.011.099-.034.135l-.66.292c-.045.027-.082.013-.112-.045a4.043 4.043 0 0 0-.155-.27 1.247 1.247 0 0 0-.49-.495c-.225-.131-.522-.196-.892-.196-.402 0-.726.064-.972.193-.247.13-.422.302-.527.518-.027.045-.054.099-.082.16a1.39 1.39 0 0 0-.067.197 2.46 2.46 0 0 0-.05.282 5.51 5.51 0 0 0-.033.43c-.008.17-.013.376-.013.617 0 .242.005.448.013.618.008.17.02.314.034.43.013.117.03.21.05.282.02.072.042.137.066.197.105.216.28.39.527.518.246.13.57.193.972.193.4 0 .714-.07.94-.21.227-.14.394-.346.503-.617a2.43 2.43 0 0 0 .104-.395c.018-.123.027-.282.027-.477V13.2H2.34c-.04 0-.06-.02-.06-.062v-.5c0-.04.02-.062.06-.062h1.812c.04 0 .062.02.062.06v.5c0 .156-.005.296-.014.422a4.71 4.71 0 0 1-.04.342 1.732 1.732 0 0 1-.064.262c-.13.523-.402.913-.815 1.17-.413.255-.95.382-1.61.382z\"\/>\n    <\/svg>\n  <\/a>\n  \n  <a href=\"https:\/\/orcid.org\/0009-0004-8387-3559\" \n     target=\"_blank\" \n     rel=\"noopener\"\n     title=\"ORCID iD\"\n     aria-label=\"View ORCID Profile\"\n     style=\"text-decoration: none; color: #A6CE39; transition: transform 0.2s; display: inline-block;\"\n     onmouseover=\"this.style.transform='scale(1.15)'\"\n     onmouseout=\"this.style.transform='scale(1)'\">\n    <svg width=\"28\" height=\"28\" viewBox=\"0 0 24 24\" fill=\"currentColor\">\n      <path d=\"M12 0C5.372 0 0 5.372 0 12s5.372 12 12 12 12-5.372 12-12S18.628 0 12 0zM7.369 4.378c.525 0 .947.431.947.947 0 .525-.422.947-.947.947-.525 0-.946-.422-.946-.947 0-.525.421-.947.946-.947zm-.722 3.038h1.444v10.041H6.647V7.416zm3.562 0h3.9c3.712 0 5.344 2.653 5.344 5.025 0 2.578-2.016 5.025-5.325 5.025h-3.919V7.416zm1.444 1.303v7.444h2.297c3.272 0 4.022-2.484 4.022-3.722 0-2.016-1.284-3.722-4.097-3.722h-2.222z\"\/>\n    <\/svg>\n  <\/a>\n  \n  <a href=\"https:\/\/scholar.google.com\/citations?user=lTgsRMUAAAAJ&#038;hl=en\" \n     target=\"_blank\" \n     rel=\"noopener\"\n     title=\"Google Scholar\"\n     aria-label=\"View Google Scholar Profile\"\n     style=\"text-decoration: none; color: #4285F4; transition: transform 0.2s; display: inline-block;\"\n     onmouseover=\"this.style.transform='scale(1.15)'\"\n     onmouseout=\"this.style.transform='scale(1)'\">\n    <svg width=\"28\" height=\"28\" viewBox=\"0 0 24 24\" fill=\"currentColor\">\n      <path d=\"M5.242 13.769L0.5 9.5 12 1l11.5 8.5-4.742 4.269C17.548 11.249 14.978 9.5 12 9.5c-2.977 0-5.548 1.748-6.758 4.269zM12 10a7 7 0 1 0 0 14 7 7 0 0 0 0-14z\"\/>\n    <\/svg>\n  <\/a>\n  \n<\/div>\n\n\n\n<p class=\"has-drop-cap wp-block-paragraph\">Health screening has become popular, and abdominal ultrasound is included in most checkup packages. One consequence is that a great many people are now told they have a kidney cyst \u2014 and arrive at my clinic worried, because the word sounds alarming. This article is about the simple, benign kidney cyst, which is what the overwhelming majority of them turn out to be.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"800\" height=\"533\" data-attachment-id=\"2153\" data-permalink=\"https:\/\/drsoaraweeurology.com\/it\/2021\/01\/08\/kidney-cyst-what-to-do\/man-getting-ultrasound-of-a-abdomen-from-doctor\/\" data-orig-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Ultrasonography.jpg?fit=1200%2C800&amp;ssl=1\" data-orig-size=\"1200,800\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;Man getting ultrasound of a abdomen from doctor in hospital&quot;,&quot;created_timestamp&quot;:&quot;1470133348&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;Man getting ultrasound of a abdomen from doctor&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"Kidney cyst are always incidentally found from ultrasonography in health check up program.\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Kidney cyst are always incidentally found from ultrasonography in health check up program.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Ultrasonography.jpg?fit=800%2C534&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Ultrasonography.jpg?resize=800%2C533&#038;ssl=1\" alt=\"Abdominal ultrasound examination, how most kidney cysts are first discovered\" class=\"wp-image-2153\" srcset=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Ultrasonography.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Ultrasonography.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Ultrasonography.jpg?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Ultrasonography.jpg?resize=768%2C512&amp;ssl=1 768w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Ultrasonography.jpg?resize=16%2C12&amp;ssl=1 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Kidney cysts are almost always found by chance on ultrasound during a health checkup.<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">The kidney cyst is the commonest lesion of the kidney<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Kidney cysts are present in around 5% of the general population. Above the age of 50 the figure rises past 25%, and up to 40% of routine checkups incidentally report one. The pattern tells you what is going on: this is largely an ageing phenomenon. The precise mechanism is not fully settled, but simple cysts are generally thought to arise from small outpouchings of the kidney tubules, and we accumulate more of them as we get older.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Not all cysts are the same<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Kidney cysts sit on a spectrum, from the entirely simple through to the genuinely worrying, and urologists grade them by their appearance on imaging \u2014 whether the fluid is clear or turbid, whether there are internal walls (septations), calcification, or any solid component. Nearly all cysts cause no symptoms at all, which is exactly why they are found incidentally rather than because someone felt something.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That grading system has a name, and it is worth knowing because it may well appear on your own report. It is called the <strong>Bosniak classification<\/strong>, and in its current form it sorts cysts into I, II, IIF, III and IV. The categories are not shades of the same worry \u2014 they behave very differently:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>I and II<\/strong> \u2014 a plain simple cyst, or one with a hairline septation or a fleck of calcium. These are treated as benign. A pooled analysis of the current classification found no cancers at all among category I lesions.<\/li>\n\n\n\n<li><strong>IIF<\/strong> \u2014 the F stands for follow-up. This is the in-between category, and it is the one where reported cancer rates vary enormously depending on how they were counted: around 40% in series where only lesions that went to surgery were checked, but only about 2% in series that instead followed everyone with imaging for five years or more. That gap is not a contradiction \u2014 it tells you that most IIF cysts, followed rather than cut out, behave benignly. This is the category that genuinely needs a surveillance plan.<\/li>\n\n\n\n<li><strong>III and IV<\/strong> \u2014 thickened or irregular walls, or tissue that takes up contrast. Reported malignancy rates in surgical series are high, in the region of 80%, and these are managed as presumed cancer rather than as cysts.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This matters for how you read the rest of this article. <strong>The reassuring parts below apply to the simple cyst, not to every cyst.<\/strong> If your report gives a category above II, or mentions septations, calcification, wall thickening or a solid component, then what you have is not the finding this article is mainly about, and it deserves a proper urological opinion rather than reassurance from a website. Ask which category yours is \u2014 it is the single most useful question you can put to whoever ordered the scan.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The good news is that modern ultrasound is usually enough to tell a simple cyst from one that needs a closer look. <strong>A CT scan with contrast is the definitive test, but not every patient needs one<\/strong> \u2014 it is reserved for cysts whose appearance on ultrasound leaves genuine doubt. The Bosniak category itself is assigned on contrast imaging, which is why a cyst that looks equivocal on ultrasound gets a CT or MRI rather than simply being labelled.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"800\" height=\"501\" data-attachment-id=\"2151\" data-permalink=\"https:\/\/drsoaraweeurology.com\/it\/2021\/01\/08\/kidney-cyst-what-to-do\/doctor-and-patient-in-the-room-of-computed-tomography-at-hospital-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/CT-scan.jpg?fit=1200%2C752&amp;ssl=1\" data-orig-size=\"1200,752\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;5.6&quot;,&quot;credit&quot;:&quot;Zaiets Roman&quot;,&quot;camera&quot;:&quot;NIKON D600&quot;,&quot;caption&quot;:&quot;Doctor and patient in the room of computed tomography at hospital. Medical equipment.&quot;,&quot;created_timestamp&quot;:&quot;1523970370&quot;,&quot;copyright&quot;:&quot;Zaiets Roman&quot;,&quot;focal_length&quot;:&quot;12&quot;,&quot;iso&quot;:&quot;500&quot;,&quot;shutter_speed&quot;:&quot;0.00625&quot;,&quot;title&quot;:&quot;Doctor and patient in the room of computed tomography at hospital.&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"CT scan with contrast is the definite investigation in case ultrasound study is still questionable.\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;CT scan with contrast is the definite investigation in case ultrasound study is still questionable.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/CT-scan.jpg?fit=800%2C502&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/CT-scan.jpg?resize=800%2C501&#038;ssl=1\" alt=\"CT scanner used for contrast imaging when a kidney cyst appears complex on ultrasound\" class=\"wp-image-2151\" srcset=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/CT-scan.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/CT-scan.jpg?resize=300%2C188&amp;ssl=1 300w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/CT-scan.jpg?resize=1024%2C642&amp;ssl=1 1024w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/CT-scan.jpg?resize=768%2C481&amp;ssl=1 768w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/CT-scan.jpg?resize=16%2C10&amp;ssl=1 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Contrast CT is the definitive test \u2014 used when the ultrasound appearance leaves doubt.<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">One cyst is a different matter from many<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Everything above concerns a cyst, or a few cysts, found in an otherwise normal kidney. A report describing <strong>numerous cysts in both kidneys<\/strong> is a different conversation, particularly in someone under 50, and most particularly where a parent or sibling has had kidney cysts, kidney failure, or a kidney transplant.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">That pattern raises the question of polycystic kidney disease, an inherited condition in which cysts accumulate over decades and can gradually reduce kidney function. There are actual counting rules for this, which is useful to know because it means the question has a real answer rather than being left to impression. In someone with an affected parent or sibling, the thresholds on ultrasound are roughly three or more cysts in total between the ages of 15 and 39, two or more in each kidney between 40 and 59, and four or more in each kidney from 60. Fewer than five cysts in an adult at risk largely argues against it. Without any family history the criteria do not apply in the same way, and the finding that should prompt a proper look is enlarged kidneys carrying more than about ten cysts each.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Two or three cysts on a checkup report is therefore not the same as having this condition, and most people reading this will not. But it is worth raising deliberately rather than leaving unasked, for three reasons: it is followed differently from a simple cyst, blood pressure control matters a great deal to how it progresses, and because it is inherited it has implications for your family as well as for you. If your report mentions cysts in both kidneys and there is any family history of kidney disease, say so at your appointment.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">What happens at the consultation<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The assessment covers a full history, physical examination and review of the imaging. The details that matter are the cyst&#8217;s contents, its size, how many there are and where they sit. Kidney function and blood pressure are checked as part of the same visit.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The single message I most want patients to leave with is this. <strong>A simple kidney cyst is benign, and once it has been confirmed as simple, it does not need to be followed at all<\/strong> \u2014 no annual scan, no repeat ultrasound, nothing. Current guidance treats Bosniak I and II cysts as benign findings requiring neither follow-up imaging nor intervention. If you have been told to come back every year for a scan of a confirmed simple cyst, it is entirely reasonable to ask why.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The one condition attached to that is worth stating clearly, because it is where the discharge advice earns its safety. It applies to a cyst that is <em>unequivocally<\/em> simple on the scan: anechoic, thin-walled, with no internal septations, no calcification and no solid part. Where the ultrasound leaves any doubt, the right next step is contrast CT or MRI to categorise it properly \u2014 not a policy of repeat ultrasounds in the hope that time will settle the question. And a cyst categorised as IIF is the exception to the whole paragraph: that one does get a surveillance plan, decided by your urologist, concentrated in the first few years when almost all meaningful change occurs.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"611\" data-attachment-id=\"2152\" data-permalink=\"https:\/\/drsoaraweeurology.com\/it\/2021\/01\/08\/kidney-cyst-what-to-do\/man-with-health-problems-visiting-urologist-clinic\/\" data-orig-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Physical-exam.jpg?fit=1200%2C917&amp;ssl=1\" data-orig-size=\"1200,917\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;Man with health problems visiting urologist. Doctor and patient&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;Zaiets Roman&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;Man with health problems visiting urologist. Clinic&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"Once patients visit at Urology office, full medical history taking and physical examination are performed.\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Once patients visit at Urology office, full medical history taking and physical examination are performed.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Physical-exam.jpg?fit=800%2C612&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Physical-exam.jpg?resize=800%2C611&#038;ssl=1\" alt=\"A urologist performing a physical examination during a kidney cyst consultation\" class=\"wp-image-2152\" srcset=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Physical-exam.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Physical-exam.jpg?resize=300%2C229&amp;ssl=1 300w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Physical-exam.jpg?resize=1024%2C783&amp;ssl=1 1024w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Physical-exam.jpg?resize=768%2C587&amp;ssl=1 768w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2021\/01\/Physical-exam.jpg?resize=16%2C12&amp;ssl=1 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">A full history and physical examination are done at the first urology visit.<\/figcaption><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">When does anything need doing?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Cysts that persist do tend to enlarge slowly, so the obvious question is at what point that matters. The answer is driven by symptoms rather than by size alone. <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/25848184\/\">Several papers<\/a> report good clinical outcomes and low recurrence rates from surgical removal once a cyst reaches around 8 cm in diameter \u2014 but the trigger for intervening is a cyst that is causing trouble, not a number on a report.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>What should prompt an appointment<\/strong>, even if you were discharged with no follow-up planned: new or worsening flank pain, or blood in the urine. Neither is common with a simple cyst, which is exactly why they are worth acting on rather than dismissing.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">And two situations should not wait for an appointment at all. <strong>Go to an emergency department the same day \u2014 in Thailand you can call 1669 \u2014 for fever with flank pain, or for sudden severe flank pain.<\/strong> Fever with flank pain can mean an infected cyst or an infected kidney, which needs treating urgently rather than at the next available slot. Sudden severe pain, sometimes with visible blood in the urine, can mean a cyst has bled into itself. Both are uncommon, both are treatable, and both do better the sooner they are seen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A kidney cyst is a common finding that mostly needs understanding rather than treatment \u2014 and often needs nothing further at all. A clear conversation with your urologist, and a clear answer about which category your cyst is, are what produce the best outcome.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you have been told you have a kidney cyst from a medical checkup and would like specialist urological evaluation, Dr. Soarawee Weerasopone offers specialist consultations at Bangkok Hospital Headquarters. <a href=\"https:\/\/www.bangkokhospital.com\/en\/bangkok\/doctor\/dr-soarawee-weerasopone-2\" target=\"_blank\" rel=\"noreferrer noopener\">Book a Consultation<\/a>. Appointments at Samitivej Sriracha Hospital can be arranged by calling the Urology department on <a href=\"tel:0880221445\">088-022-1445<\/a>. Questions about the cost of a consultation or scan should go to the hospital directly \u2014 for Bangkok Hospital, by email to <a href=\"mailto:bhquro@bdms.co.th\">bhquro@bdms.co.th<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This is a question that suits a video consultation particularly well, because most of what needs doing is reviewing a report you already have. Bangkok Hospital runs a Telemedicine service \u2014 arrange it in advance by email to the Urology department at <a href=\"mailto:bhquro@bdms.co.th\">bhquro@bdms.co.th<\/a>. Bring or send the actual ultrasound or CT report rather than a summary, since the wording of the report is what decides whether anything further is needed. Samitivej Sriracha is in-person only.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Frequently Asked Questions about Kidney Cysts<\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1\"><strong class=\"schema-faq-question\">What is a kidney cyst?<\/strong> <p class=\"schema-faq-answer\">A kidney cyst is a fluid-filled sac that forms on or within the kidney. Most kidney cysts are simple (benign) cysts and are non-cancerous. They are commonly discovered incidentally during abdominal ultrasound in routine health checkups.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-2\"><strong class=\"schema-faq-question\">Are kidney cysts dangerous or cancerous?<\/strong> <p class=\"schema-faq-answer\">The vast majority of simple kidney cysts are benign and not cancerous. Cysts are graded by the Bosniak classification: categories I and II are treated as benign, with pooled data finding no cancers at all among category I lesions. Category IIF is the intermediate group that requires a surveillance plan, and categories III and IV carry a high probability of malignancy and are managed as presumed cancer. Complex cysts with septations, calcifications, wall thickening or solid components require contrast CT or MRI and specialist consultation.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-3\"><strong class=\"schema-faq-question\">Do kidney cysts need treatment?<\/strong> <p class=\"schema-faq-answer\">Most simple kidney cysts require neither treatment nor follow-up. Once a cyst has been confirmed as unequivocally simple on imaging, current guidance treats it as a benign finding needing no further imaging and no intervention. Treatment is considered only when a cyst causes persistent symptoms, obstructs urine flow, or shows suspicious features on contrast imaging.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-4\"><strong class=\"schema-faq-question\">How often should I follow up a kidney cyst?<\/strong> <p class=\"schema-faq-answer\">A confirmed simple cyst (Bosniak I or II) does not need routine follow-up imaging at all, and repeat annual scans for such a cyst are not supported by current guidance. Surveillance applies to the intermediate Bosniak IIF category, where the interval and duration are set by your urologist and are concentrated in the first few years, when nearly all meaningful change occurs. Where an ultrasound leaves genuine doubt, the correct next step is contrast CT or MRI to categorise the cyst properly rather than repeated ultrasounds. Regardless of category, new or worsening flank pain or blood in the urine should prompt an appointment, and fever with flank pain needs same-day emergency assessment.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-5\"><strong class=\"schema-faq-question\">When does a kidney cyst need surgery?<\/strong> <p class=\"schema-faq-answer\">Surgery is recommended when a kidney cyst causes persistent symptoms such as flank pain, becomes very large (typically over 8 cm in diameter), causes urinary obstruction, or shows features suspicious for malignancy. Minimally invasive laparoscopic cyst decortication is the preferred surgical technique in such cases. Size alone is not the trigger \u2014 a large cyst causing no trouble may still simply be left alone.<\/p><\/div><\/div>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"MedicalWebPage\",\n      \"@id\": \"https:\/\/drsoaraweeurology.com\/2021\/01\/08\/kidney-cyst-what-to-do\/#webpage\",\n      \"url\": \"https:\/\/drsoaraweeurology.com\/2021\/01\/08\/kidney-cyst-what-to-do\/\",\n      \"name\": \"Kidney Cyst Found on a Health Checkup: Should You Worry?\",\n      \"description\": \"Why simple kidney cysts are so common, what the Bosniak categories mean, why a confirmed simple cyst needs no follow-up imaging at all, which category does need surveillance, when multiple bilateral cysts raise a different question, and why symptoms rather than size decide whether anything needs doing.\",\n      \"inLanguage\": \"en\",\n      \"datePublished\": \"2021-01-08\",\n      \"dateModified\": \"2026-08-30\",\n      \"lastReviewed\": \"2026-08-30\",\n      \"specialty\": \"https:\/\/schema.org\/Urologic\",\n      \"medicalAudience\": { \"@type\": \"MedicalAudience\", \"audienceType\": \"Patient\" },\n      \"isPartOf\": { \"@id\": \"https:\/\/drsoaraweeurology.com\/#website\" },\n      \"author\": { \"@id\": \"https:\/\/drsoaraweeurology.com\/#physician\" },\n      \"reviewedBy\": { \"@id\": \"https:\/\/drsoaraweeurology.com\/#physician\" },\n      \"publisher\": { \"@id\": \"https:\/\/drsoaraweeurology.com\/#physician\" },\n      \"about\": { \"@id\": \"https:\/\/drsoaraweeurology.com\/2021\/01\/08\/kidney-cyst-what-to-do\/#renal-cyst\" }\n    },\n    {\n      \"@type\": \"MedicalCondition\",\n      \"@id\": \"https:\/\/drsoaraweeurology.com\/2021\/01\/08\/kidney-cyst-what-to-do\/#renal-cyst\",\n      \"name\": \"Simple renal cyst\",\n      \"alternateName\": \"Kidney cyst\",\n      \"description\": \"A fluid-filled sac forming on or within the kidney, and the commonest lesion of the kidney. Present in around 5% of the general population, rising above 25% after the age of 50, and reported incidentally in up to 40% of routine checkups. Largely an ageing phenomenon; the mechanism is not fully settled, but simple cysts are generally thought to arise from small outpouchings of the kidney tubules. A confirmed simple cyst is benign and requires neither follow-up imaging nor intervention.\",\n      \"disambiguatingDescription\": \"Cysts are graded on contrast imaging by the Bosniak classification: I, II, IIF, III and IV. Categories I and II are treated as benign and require no follow-up imaging and no intervention; pooled analysis of the current classification found no malignancy among category I lesions. Category IIF is the intermediate group requiring a surveillance plan; reported malignancy rates range from roughly 40% where only resected lesions were verified histologically to about 2% where imaging follow-up of five years or more was the reference standard, indicating that most IIF lesions followed by imaging behave benignly, with almost all meaningful change occurring in the first few years. Categories III and IV show thickened or irregular walls or enhancing solid components, carry high reported malignancy rates in surgical series in the region of 80%, and are managed as presumed malignancy. The no-follow-up advice applies only to a cyst that is unequivocally simple on imaging: anechoic, thin-walled, without septations, calcification or solid components. Where ultrasound leaves doubt, contrast CT or MRI to assign a category is the correct next step rather than repeated ultrasound.\",\n      \"signOrSymptom\": [\n        {\"@type\": \"MedicalSignOrSymptom\", \"name\": \"Usually none \u2014 found incidentally on imaging\"},\n        {\"@type\": \"MedicalSignOrSymptom\", \"name\": \"Flank pain when a cyst becomes symptomatic\"},\n        {\"@type\": \"MedicalSignOrSymptom\", \"name\": \"Blood in the urine\"}\n      ],\n      \"possibleComplication\": [\n        {\"@type\": \"MedicalEntity\", \"name\": \"Infected cyst or associated kidney infection: fever with flank pain requires same-day emergency assessment rather than a routine appointment\"},\n        {\"@type\": \"MedicalEntity\", \"name\": \"Haemorrhage into a cyst, presenting as sudden severe flank pain sometimes with visible blood in the urine, also requiring same-day assessment\"},\n        {\"@type\": \"MedicalEntity\", \"name\": \"Obstruction of urine flow by a large cyst\"}\n      ],\n      \"riskFactor\": {\n        \"@type\": \"MedicalRiskFactor\",\n        \"name\": \"Increasing age\"\n      },\n      \"differentialDiagnosis\": [\n        {\n          \"@type\": \"DDxElement\",\n          \"diagnosis\": {\"@type\": \"MedicalCondition\", \"name\": \"Autosomal dominant polycystic kidney disease\"},\n          \"distinguishingSign\": {\"@type\": \"MedicalSignOrSymptom\", \"name\": \"Numerous cysts in both kidneys. In a person with an affected first-degree relative, ultrasound thresholds are approximately three or more cysts in total at ages 15 to 39, two or more in each kidney at 40 to 59, and four or more in each kidney from 60; fewer than five cysts in an at-risk adult largely argues against the diagnosis. Without a family history the age-specific criteria do not apply in the same way, and the finding warranting further evaluation is enlarged kidneys with more than about ten cysts each. It is followed differently from a simple cyst, blood pressure control materially affects progression, and being inherited it has implications for relatives.\"}\n        },\n        {\n          \"@type\": \"DDxElement\",\n          \"diagnosis\": {\"@type\": \"MedicalCondition\", \"name\": \"Cystic renal cell carcinoma\"},\n          \"distinguishingSign\": {\"@type\": \"MedicalSignOrSymptom\", \"name\": \"Thickened or irregular walls, coarse calcification, or enhancing solid components on contrast imaging, corresponding to Bosniak category III or IV\"}\n        }\n      ],\n      \"typicalTest\": [\n        {\"@type\": \"MedicalTest\", \"name\": \"Abdominal ultrasound\", \"description\": \"Usually sufficient to distinguish a simple cyst from one needing a closer look, and how most cysts are first found.\"},\n        {\"@type\": \"MedicalTest\", \"name\": \"Contrast-enhanced CT or MRI\", \"description\": \"The definitive test and the basis of Bosniak categorisation, reserved for cysts whose ultrasound appearance leaves genuine doubt. Not every patient needs one, and it is the correct next step for an equivocal ultrasound rather than serial repeat ultrasound.\"}\n      ],\n      \"possibleTreatment\": [\n        {\"@type\": \"MedicalTherapy\", \"name\": \"Discharge without imaging follow-up\", \"description\": \"The correct management of a confirmed simple (Bosniak I or II) cyst in an asymptomatic patient. No routine repeat imaging and no intervention are required. Kidney function and blood pressure are assessed at the initial visit.\"},\n        {\"@type\": \"MedicalTherapy\", \"name\": \"Imaging surveillance\", \"description\": \"Applies to the intermediate Bosniak IIF category rather than to simple cysts. Interval and duration are set by the urologist and concentrated in the first few years, when almost all meaningful change occurs.\"},\n        {\"@type\": \"MedicalProcedure\", \"name\": \"Laparoscopic cyst decortication\", \"description\": \"Considered when a cyst causes persistent symptoms, obstructs urine flow, or shows suspicious features. Published series report good outcomes and low recurrence once a cyst reaches around 8 cm, but the trigger for surgery is trouble caused by the cyst, not the measurement itself.\"}\n      ]\n    }\n  ]\n}\n<\/script>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Disclaimer:<\/strong> This content is written and reviewed by Dr. Soarawee Weerasopone, a board-certified urologist at Bangkok Hospital Headquarters. It is intended for educational purposes only and does not constitute medical advice, and it cannot substitute for a reading of your own imaging report. No medical advice, diagnosis or prescription is provided through personal messaging channels or social media. Always consult a qualified healthcare professional before starting any medical treatment. In an emergency, attend the nearest emergency department \u2014 in Thailand the emergency number is 1669.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>An ultrasound at a health checkup reports a cyst on your kidney, and the word alone is enough to ruin the week. Dr. Soarawee Weerasopone, urologist at Bangkok Hospital, explains why simple kidney cysts are so common, what actually needs investigating, and when anything needs doing at all.<\/p>","protected":false},"author":185281453,"featured_media":10061,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"Kidney cysts are commonly found during health checkups. Dr. Soarawee, urologist at Bangkok Hospital, explains what they mean, when to worry, and when treatment is needed.","jetpack_seo_html_title":"Kidney Cyst Found on Ultrasound: Should You Worry? | Dr. Soarawee Urology","jetpack_seo_noindex":false,"jetpack_seo_schema_type":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"{title}\n\n{excerpt}\n\n{url}","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"_wpas_customize_per_network":false,"jetpack_post_was_ever_published":false},"categories":[1364],"tags":[1426,1427],"class_list":["post-2146","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oncology","tag-kidney-cyst","tag-renal-cyst"],"jetpack_publicize_connections":[],"jetpack_likes_enabled":false,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/pgZdrK-yC","jetpack_featured_media_url":"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2026\/04\/Kidney-Cyst.webp?fit=1200%2C630&ssl=1","_links":{"self":[{"href":"https:\/\/drsoaraweeurology.com\/it\/wp-json\/wp\/v2\/posts\/2146","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/drsoaraweeurology.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/drsoaraweeurology.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/drsoaraweeurology.com\/it\/wp-json\/wp\/v2\/users\/185281453"}],"replies":[{"embeddable":true,"href":"https:\/\/drsoaraweeurology.com\/it\/wp-json\/wp\/v2\/comments?post=2146"}],"version-history":[{"count":25,"href":"https:\/\/drsoaraweeurology.com\/it\/wp-json\/wp\/v2\/posts\/2146\/revisions"}],"predecessor-version":[{"id":11800,"href":"https:\/\/drsoaraweeurology.com\/it\/wp-json\/wp\/v2\/posts\/2146\/revisions\/11800"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/drsoaraweeurology.com\/it\/wp-json\/wp\/v2\/media\/10061"}],"wp:attachment":[{"href":"https:\/\/drsoaraweeurology.com\/it\/wp-json\/wp\/v2\/media?parent=2146"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/drsoaraweeurology.com\/it\/wp-json\/wp\/v2\/categories?post=2146"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/drsoaraweeurology.com\/it\/wp-json\/wp\/v2\/tags?post=2146"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}