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Home > Trans Rectal Scan

Trans Rectal Ultrasound (TRUS)

A Trans Rectal Ultrasound (TRUS) scan is an imaging technique primarily used to examine the prostate gland and surrounding structures in men. It involves the insertion of a small ultrasound probe into the rectum to capture high-quality images of the prostate, rectum, and nearby tissues, providing valuable insights for diagnosing and assessing various medical conditions.

Key Purposes of a Trans Rectal Ultrasound

  • Prostate Assessment: TRUS is commonly used to evaluate the size, shape, and texture of the prostate gland. It’s particularly useful for detecting abnormalities like enlargement, nodules, or signs of prostatitis (inflammation).
  • Cancer Diagnosis: TRUS often aids in diagnosing prostate cancer by guiding biopsy procedures. During a biopsy, the scan helps pinpoint areas for tissue sampling, which is crucial for early and accurate cancer detection.
  • Infertility Assessment: In cases of male infertility, TRUS can detect abnormalities in the seminal vesicles and ejaculatory ducts, offering potential explanations for reduced fertility.
  • Guiding Prostate Interventions: TRUS is used for procedures like brachytherapy (radiation therapy for prostate cancer) and cryotherapy, providing guidance and accuracy.

Procedure of a TRUS

The patient usually lies on their side with knees drawn up towards the chest. A lubricated ultrasound probe, covered with a protective sheath, is gently inserted into the rectum. The scan typically lasts around 15-30 minutes, depending on the area’s condition and the type of procedure.

Benefits and Limitations

  • Benefits: The TRUS scan is minimally invasive, safe, and provides high-resolution images that are essential for accurate diagnosis and treatment planning. It avoids the use of radiation, making it safer than some alternative imaging options.
  • Limitations: TRUS may be uncomfortable for some patients due to the probe insertion, and it has limited application beyond the rectum and prostate, making it unsuitable for diagnosing issues outside these areas.

Preparation and Aftercare

Before a TRUS scan, a doctor may advise a mild enema to clear the rectum for better imaging. No specific aftercare is typically required, though patients undergoing biopsy may experience mild bleeding or discomfort for a short period afterward.

TRUS is a valuable tool in men’s health diagnostics, particularly for conditions involving the prostate. With its ability to guide critical procedures and detect early signs of cancer or other conditions, it plays an essential role in proactive health management.

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