Imaging of Prostate Cancer
The popularity of imaging techniques to detect and to stage prostatic carcinomas has increased tremendously in the past decade. Nevertheless, most of the imaging techniques still have to compete with the digital rectal examination (DRE) and the serum concentration of prostate-specific antigen (PSA). There are two important reasons: the first is that the sensitivity of the imaging techniques now commonly used (i.e. transrectal ultrasonography, TRUS, and magnetic resonance imaging, MRI) lack sensitivity (a) to detect all cancers which originate in the prostate and (b) to stage the detected cancers accurately at a microscopic level. The second is that the imaging techniques lack specificity: many benign lesions closely resemble prostate carcinomas. For both reasons, biopsies are still required to obtain the final histological diagnosis.
KeywordsProstate Cancer Benign Prostatic Hyperplasia Radical Prostatectomy Prostatic Carcinoma Peripheral Zone
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