Prostate Carcinoma

Definition 1

One of the most common malignant tumors afflicting men. The majority of carcinomas arise in the peripheral zone and a minority occur in the central or the transitional zone of the prostate gland. Grossly, prostatic carcinomas appear as ill-defined yellow areas of discoloration in the prostate gland lobes. Adenocarcinomas represent the overwhelming majority of prostatic carcinomas. Prostatic-specific antigen (PSA) serum test is widely used as a screening test for the early detection of prostatic carcinoma. Treatment options include radical prostatectomy, radiation therapy, androgen ablation and cryotherapy. Watchful waiting or surveillance alone is an option for older patients with low-grade or low-stage disease. -- 2002 (NCI Thesaurus)

Definition 2

Cancer that forms in tissues of the prostate (a gland in the male reproductive system found below the bladder and in front of the rectum). Prostate cancer usually occurs in older men. (NCI Dictionary)

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