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Transrectal ultrasonography, or TRUS in short, is a method of creating an image of organs in the pelvis, most commonly used to perform an ultrasound-guided needle biopsy evaluation of the prostate gland in men with elevated prostate-specific antigen or prostatic nodules on digital rectal exam.
Prostate cancer antigen 3 is a urine test that detects the overexpression of the PCA3 gene, an indicator of prostate cancer. [32] [46] [47] [44] ConfirmMDx is performed on tissue taken during a prostate biopsy. The test identifies men with clinically significant prostate cancer who would benefit from further testing and treatment.
Transrectal biopsy is a biopsy procedure in which a sample of tissue is removed from the prostate using a thin needle that is inserted through the rectum and into the prostate. [1] Transrectal ultrasound (TRUS) is usually used to guide the needle. [2] [3] The sample is examined under a microscope to see if it contains cancer.
Men suspected of having prostate cancer may undergo several tests to assess the prostate. One common procedure is the digital rectal examination, in which a doctor inserts a lubricated finger into the rectum to feel the nearby prostate. [23] [24] Tumors feel like stiff, irregularly shaped lumps against the rest of the prostate.
Additionally many prostate cancers detected by screening develop so slowly that they would not cause problems during a man's lifetime, making the complications due to treatment unnecessary. The most frequent side effect of the procedure is blood in the urine (31%). [2] Other side effects may include infection (0.9%) and death (0.2%). [2]
The most accurate ultrasound test can detect 96% of ovarian cancers in postmenopausal women, new research suggests. The findings indicate that the test should replace the current standard of care ...
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