{"id":1466,"date":"2020-08-07T08:00:00","date_gmt":"2020-08-07T01:00:00","guid":{"rendered":"https:\/\/drsoaraweeurology.com\/?p=1466"},"modified":"2026-08-15T00:21:24","modified_gmt":"2026-08-14T17:21:24","slug":"tous-les-calculs-renaux-doivent-etre-traites","status":"publish","type":"post","link":"https:\/\/drsoaraweeurology.com\/fr\/2020\/08\/07\/all-kidney-stones-need-to-treat\/","title":{"rendered":"Does Every Kidney Stone Need Treating?"},"content":{"rendered":"<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\/fr\/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;\" 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=\"Meilleur urologue travaillant \u00e0 Chonburi et au Cambodge\" 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, 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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=\"Identifiant ORCID\"\n     aria-label=\"Voir le profil ORCID\"\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=\"Voir le profil Google Scholar\"\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\">One of the commonest conversations in my office starts with a health-check report: a kidney stone, found by chance, in someone with no symptoms at all. The assumption that follows is almost always the same \u2014 that it has to come out. Often it does not, and sometimes there is no stone there to begin with.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">First: is it really a stone?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Health-check packages use <strong>ultrasound<\/strong>, and for good reasons \u2014 it is quick, inexpensive and involves no radiation. But it is a <strong>screening<\/strong> tool, and screening tools are built to avoid missing things rather than to be precise.<\/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=\"1470\" data-permalink=\"https:\/\/drsoaraweeurology.com\/fr\/2020\/08\/07\/all-kidney-stones-need-to-treat\/close-up-doctor-conducts-ultrasound-diagnostics-of-the-patients-abdomen-and-internal-organs\/\" data-orig-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/Ultrasonography.jpg?fit=1200%2C800&amp;ssl=1\" data-orig-size=\"1200,800\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;2.2&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;Canon EOS 5D Mark III&quot;,&quot;caption&quot;:&quot;Close-up doctor conducts ultrasound diagnostics of the patients abdomen and internal organs.&quot;,&quot;created_timestamp&quot;:&quot;1556323200&quot;,&quot;copyright&quot;:&quot;Kukota Ekaterina Mobile phone: +380638533305&quot;,&quot;focal_length&quot;:&quot;35&quot;,&quot;iso&quot;:&quot;200&quot;,&quot;shutter_speed&quot;:&quot;0.008&quot;,&quot;title&quot;:&quot;Close-up doctor conducts ultrasound diagnostics of the patients abdomen and internal organs&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"Ultrasonography is a good tool in screening check up\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Ultrasonography is a good tool in screening check up&lt;\/p&gt;\" data-large-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/Ultrasonography.jpg?fit=800%2C534&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/Ultrasonography.jpg?resize=800%2C533&#038;ssl=1\" alt=\"Abdominal ultrasound examination, the usual way a kidney stone is found at a health checkup\" class=\"wp-image-1470\" srcset=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/Ultrasonography.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/Ultrasonography.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/Ultrasonography.jpg?resize=1024%2C683&amp;ssl=1 1024w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/Ultrasonography.jpg?resize=768%2C512&amp;ssl=1 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Ultrasound is an excellent screening tool \u2014 which is not the same as a definitive one.<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Where ultrasound falls short<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>It depends on the operator.<\/strong> Accuracy varies considerably with the experience of the person holding the probe.<\/li>\n\n\n\n<li><strong>It <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/27578040\/\">overcalls small stones<\/a>.<\/strong> Its accuracy for small stones is only around 45%, and calcified blood vessels or calcification within kidney tissue can look very like a stone. A good number of people are told they have one when they do not.<\/li>\n\n\n\n<li><strong>It struggles in larger patients.<\/strong> Thick tissue degrades the image and the reliability with it.<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Where the finding needs confirming, the gold standard is a <strong>non-contrast CT<\/strong>: around 95% accurate, able to detect stones as small as 1.25 mm, and able to tell you exactly how big the stone is and where it sits \u2014 which is what actually decides the management. Modern low-dose stone protocols use radiation far below any level of concern.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"800\" height=\"534\" data-attachment-id=\"1469\" data-permalink=\"https:\/\/drsoaraweeurology.com\/fr\/2020\/08\/07\/all-kidney-stones-need-to-treat\/doctor-and-patient-in-the-room-of-computed-tomography-at-hospital\/\" data-orig-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/CT-scan.jpg?fit=1200%2C801&amp;ssl=1\" data-orig-size=\"1200,801\" 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;1523967878&quot;,&quot;copyright&quot;:&quot;Zaiets Roman&quot;,&quot;focal_length&quot;:&quot;17&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 is the definite investigation in urinary tract stone surveillance\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;CT scan is the definite investigation in urinary tract stone surveillance&lt;\/p&gt;\" data-large-file=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/CT-scan.jpg?fit=800%2C534&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/CT-scan.jpg?resize=800%2C534&#038;ssl=1\" alt=\"CT scanner used for definitive low-dose imaging of urinary tract stones\" class=\"wp-image-1469\" srcset=\"https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/CT-scan.jpg?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/CT-scan.jpg?resize=300%2C200&amp;ssl=1 300w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/CT-scan.jpg?resize=1024%2C684&amp;ssl=1 1024w, https:\/\/i0.wp.com\/drsoaraweeurology.com\/wp-content\/uploads\/2020\/08\/CT-scan.jpg?resize=768%2C513&amp;ssl=1 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Non-contrast CT settles both questions at once: whether there is a stone, and how big it is.<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Why 4 mm is the number that matters<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">No \u2014 not every stone needs removing. The narrowest part of the urinary tract is the ureter, and a stone of <strong>4 mm or smaller<\/strong> has a good chance of passing through it on its own, often without severe pain. Below that size, <strong>watchful observation is a legitimate plan<\/strong>, not a delay tactic: there is no benefit in an expensive procedure for a stone that would have left by itself.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The practical measure while you wait is fluid. <a href=\"https:\/\/drsoaraweeurology.com\/fr\/2020\/06\/19\/8-bonnes-habitudes-pour-prevenir-la-formation-de-calculs-renaux\/\">Drinking more than 2.5 litres of still water a day<\/a> produces enough urine to help move a small stone along. And since the stone that formed once tends to be followed by another, this is also the point at which <a href=\"https:\/\/drsoaraweeurology.com\/fr\/2020\/11\/06\/pourquoi-les-calculs-renaux-apparaissent-ils\/\">looking at why it formed<\/a> is worth the effort.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">When a stone stops being a wait-and-see problem<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Watchful waiting assumes you stay well while you wait. <strong>Seek urgent medical care rather than waiting if you develop a fever alongside stone pain<\/strong> \u2014 fever with an obstructing stone means an infected, blocked kidney, which is a genuine emergency and needs drainage promptly, not antibiotics alone. The same applies if the pain is severe and unrelieved, if you are vomiting and unable to keep fluids down, or if you stop passing urine altogether.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Short of that, treatment is considered when the stone is larger than 4\u20136 mm and unlikely to pass, when it obstructs the flow, when the pain keeps recurring, or when you have only one working kidney. <a href=\"https:\/\/drsoaraweeurology.com\/fr\/2020\/05\/02\/eswl-soarawee-urologue-thailandais\/\">Shockwave lithotripsy<\/a> et <a href=\"https:\/\/drsoaraweeurology.com\/fr\/2020\/06\/26\/laser-holmium-pour-les-calculs-renaux\/\">chirurgie des calculs au laser<\/a> are the two routes then, chosen on the stone&#8217;s size, position and hardness.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The message worth taking away is that a stone on a checkup report is a finding, not a verdict. It deserves a proper look \u2014 sometimes to confirm it is really there, usually to measure it, and often to conclude that nothing needs doing at all.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si une calculs r\u00e9naux a \u00e9t\u00e9 d\u00e9tect\u00e9 lors de votre bilan de sant\u00e9 et que vous souhaitez une \u00e9valuation urologique approfondie, le Dr Soarawee Weerasopone propose des consultations sp\u00e9cialis\u00e9es au si\u00e8ge de l'h\u00f4pital de Bangkok. <a href=\"\/fr\/R\u00e9server une consultation\/\">Prendre rendez-vous<\/a>. Les rendez-vous \u00e0 l'h\u00f4pital Samitivej Sriracha peuvent \u00eatre pris en appelant le service d'urologie au <a href=\"tel:0880221445\">088-022-1445<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Foire aux questions sur le traitement des calculs r\u00e9naux<\/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\">Chaque calcul r\u00e9nal doit-il \u00eatre trait\u00e9 ou retir\u00e9 ?<\/strong> <p class=\"schema-faq-answer\">Non. Les petits calculs r\u00e9naux, particuli\u00e8rement ceux de 4 mm ou moins, ont de bonnes chances de passer d'eux-m\u00eames par les voies urinaires sans n\u00e9cessiter d'intervention. Une surveillance attentive avec une augmentation de l'apport de liquides est l'approche standard pour les petits calculs asymptomatiques. Un traitement est envisag\u00e9 lorsque les calculs sont volumineux, causent une douleur importante, bloquent le flux urinaire ou sont associ\u00e9s \u00e0 une infection.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-2\"><strong class=\"schema-faq-question\">L'\u00e9chographie est-elle suffisamment pr\u00e9cise pour diagnostiquer les calculs r\u00e9naux ?<\/strong> <p class=\"schema-faq-answer\">L&#x27;\u00e9chographie est un outil de d\u00e9pistage utile, mais elle pr\u00e9sente des limites pour la d\u00e9tection des calculs r\u00e9naux. Sa pr\u00e9cision dans la d\u00e9tection des petits calculs n&#x27;est que d&#x27;environ 45 %, et elle peut donner lieu \u00e0 des r\u00e9sultats faussement positifs en confondant des vaisseaux sanguins calcifi\u00e9s ou des calcifications parenchymateuses avec des calculs. Le scanner sans produit de contraste constitue la r\u00e9f\u00e9rence en mati\u00e8re d&#x27;examen, offrant une pr\u00e9cision pouvant atteindre 95 % et permettant de d\u00e9tecter des calculs d&#x27;une taille minimale de 1,25 mm.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-3\"><strong class=\"schema-faq-question\">La radiographie CT est-elle dangereuse pour l'\u00e9valuation des calculs r\u00e9naux ?<\/strong> <p class=\"schema-faq-answer\">Non. Les protocoles modernes de tomodensitom\u00e9trie pour l'\u00e9valuation des calculs r\u00e9naux utilisent une dose de radiation ultra-faible, bien en de\u00e7\u00e0 de tout niveau nocif. L'exposition aux radiations est minime et consid\u00e9r\u00e9e comme s\u00fbre pour la plupart des patients. Le b\u00e9n\u00e9fice diagnostique de l'identification et de la mesure pr\u00e9cise d'un calcul l'emporte largement sur le risque n\u00e9gligeable li\u00e9 aux radiations, en particulier par rapport aux cons\u00e9quences d'une absence de diagnostic ou d'une mauvaise gestion d'un calcul r\u00e9nal.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-4\"><strong class=\"schema-faq-question\">Puis-je expulser un calcul r\u00e9nal naturellement \u00e0 la maison ?<\/strong> <p class=\"schema-faq-answer\">Yes, stones 4 mm or smaller have a reasonable chance of passing naturally with adequate hydration. Drinking more than 2.5 liters of still water per day increases urine output, which helps flush stones through the urinary tract. However, even small stones can occasionally cause obstruction or pain, so urological monitoring is advisable during the observation period. Fever alongside stone pain is an emergency and needs urgent assessment rather than waiting.<\/p><\/div> <div class=\"schema-faq-section\" id=\"faq-question-5\"><strong class=\"schema-faq-question\">Quand faut-il envisager un traitement pour les calculs r\u00e9naux ?<\/strong> <p class=\"schema-faq-answer\">Le traitement de la lithiase r\u00e9nale est recommand\u00e9 lorsque le calcul mesure plus de 4 \u00e0 6 mm et qu'il est peu probable qu'il soit expuls\u00e9 spontan\u00e9ment, qu'il cause une douleur importante ou persistante (colique n\u00e9phr\u00e9tique), qu'il est associ\u00e9 \u00e0 une infection des voies urinaires ou \u00e0 de la fi\u00e8vre, qu'il provoque une obstruction urinaire, ou lorsque le patient a un rein unique. Les options de traitement comprennent la lithotripsie extracorporelle par ondes de choc, l'ur\u00e9t\u00e9roscopie et la n\u00e9phrolithotomie percutan\u00e9e, en fonction de la taille et de la localisation du calcul.<\/p><\/div><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Avis de non-responsabilit\u00e9 :<\/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. No medical advice, diagnosis or prescription is provided through personal messaging channels. Always consult a qualified healthcare professional before starting any medical treatment.<\/p>\n\n\n\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"MedicalWebPage\",\n    \"headline\": \"Does Every Kidney Stone Need Treating?\",\n    \"description\": \"Why ultrasound overcalls small kidney stones, why non-contrast CT is the definitive test, why 4 mm decides whether a stone can pass on its own, and the warning signs that make a stone an emergency.\",\n    \"datePublished\": \"2020-08-07\",\n    \"dateModified\": \"2026-08-12\",\n    \"inLanguage\": \"en\",\n    \"author\": {\n        \"@type\": \"Physician\",\n        \"name\": \"Dr. Soarawee Weerasopone\",\n        \"medicalSpecialty\": \"Urology\",\n        \"url\": \"https:\\\/\\\/drsoaraweeurology.com\\\/\"\n    },\n    \"reviewedBy\": {\n        \"@type\": \"Physician\",\n        \"name\": \"Dr. Soarawee Weerasopone\",\n        \"medicalSpecialty\": \"Urology\"\n    },\n    \"about\": {\n        \"@type\": \"MedicalCondition\",\n        \"name\": \"Kidney Stone\",\n        \"alternateName\": \"Nephrolithiasis\"\n    }\n}<\/script>","protected":false},"excerpt":{"rendered":"<p>A health checkup reports a kidney stone, and the immediate assumption is that it has to come out. Dr. Soarawee Weerasopone, urologist at Bangkok Hospital, explains why ultrasound often overcalls stones, why 4 mm is the number that matters, and when watching is the right answer.<\/p>","protected":false},"author":185281453,"featured_media":10063,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"advanced_seo_description":"Not every kidney stone needs treating. Why ultrasound is only a screening tool with about 45% accuracy for small stones, why 4 mm decides whether a stone can pass, and the warning signs that make a stone urgent. 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