Post TRUS – تعليمات مريض خزعة البروستاتا

آخر تحديث: 18 مايو 2026

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TRUS (Transrectal Ultrasound-Guided) prostate biopsy was first introduced in 1989 and remains the gold standard for confirming prostate cancer diagnosis, with over 4 million procedures performed worldwide annually. This article covers the possible complications following TRUS prostate biopsy so patients are prepared and know when to seek urgent care.

• مركز مسالك البولية مست شفي بانكوك تايلاند احجز عبر الانترنت 02-310-3009 bhquro@bdms.co.th
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Possible complications after TRUS prostate biopsy

1. Bleeding complications — typically resolve within 10 days post-procedure:
   • Blood in urine (hematuria) — 66%
   • Blood in ejaculation (hematospermia) — 38%
   • Blood in stool (rectal bleeding) — 28%
2. Infectious complications:
   • Urinary tract infection — 6%
   • Fever — 4%
   • Persistent painful urination — 3%
   • Pain or burning on urination — 1%
   • Serious bloodstream infection (sepsis) — 0.5%
   • Serious perineal skin infection — 0.05%
3. Other complications:
   • Vasovagal response (sweating, nausea, dizziness, fainting) — 7%
   • Acute urinary retention — 0.3%
   • Myocardial infarction — 0.3%

The infection risk from TRUS biopsy relates to its transrectal approach — the ultrasound probe necessarily passes through the rectal canal, which is contaminated with bowel flora. Published data confirms that postoperative infection rates cannot be fully eliminated by any preoperative rectal preparation protocol, even with proper prophylactic antibiotics given before every procedure.

Despite these complications, the benefits of TRUS biopsy in correctly confirming prostate cancer diagnosis outweigh the risks when appropriate patient selection is applied. Under specialist urological care, careful patient selection and pre-procedure preparation minimize risks. Informed counseling about potential complications reduces patient anxiety and helps patients recognize warning signs that require urgent medical attention.

Frequently Asked Questions About Post-TRUS Prostate Biopsy Care

Is it normal to see blood in urine, semen, or stool after prostate biopsy?

Yes. Bleeding complications are very common after TRUS prostate biopsy. Blood in urine (hematuria) occurs in up to 66% of patients, blood in ejaculation (hematospermia) in 38%, and rectal bleeding in 28%. These are expected side effects of the needle passes through the prostate and surrounding tissue. In the vast majority of cases, all bleeding resolves spontaneously within 10 days. No special treatment is required unless bleeding is severe or prolonged beyond this period.

What signs of infection should I watch for after prostate biopsy?

Fever above 38°C, shaking chills, worsening pain, difficulty urinating, or feeling generally unwell after TRUS biopsy are warning signs that require immediate medical attention. These may indicate urinary tract infection (6%), sepsis (0.5%), or perineal infection (0.05%). The infection risk is inherent to the transrectal approach — the probe passes through the rectum, which contains bowel bacteria. Prophylactic antibiotics are given before every TRUS biopsy to reduce this risk, but cannot eliminate it entirely. Seek emergency care if you develop high fever or chills after the procedure.

Why is TRUS biopsy still performed if it carries infection risk?

TRUS-guided biopsy remains the definitive method for confirming prostate cancer diagnosis. More than 4 million procedures are performed worldwide annually. The diagnostic benefit — definitively confirming or ruling out prostate cancer — outweighs the complication risk in appropriately selected patients. Modern advances include MRI-fusion-guided biopsy and transperineal biopsy (which avoids the rectal route entirely, significantly reducing infection risk). Dr. Soarawee Weerasopone offers the latest MRI-fusion transperineal approach at Bangkok Hospital Headquarters.

If you have concerns about prostate biopsy or have developed complications after the procedure, Dr. Soarawee Weerasopone offers specialist consultations at Bangkok Hospital Headquarters. احجز استشارة.

إخلاء المسؤولية: هذا المحتوى مكتوب ومراجع من قبل الدكتورة سواروي ويراباسون، أخصائية أمراض المسالك البولية المعتمدة في مستشفى بانكوك الرئيسي. الغرض منه تعليمي فقط ولا يشكل نصيحة طبية. استشر دائمًا أخصائي رعاية صحية مؤهل قبل البدء في أي علاج طبي.