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  • Title: [Intraepithelial prostatic neoplasia].
    Author: Stepanov VN, Frank GA, Dzhioev RR.
    Journal: Urol Nefrol (Mosk); 1999; (1):16-9. PubMed ID: 11149338.
    Abstract:
    44 patients seeked medical advice for low urinary symptoms. Their examination consisted of digital rectal investigation, test for prostate-specific antigen (PSA) in the serum, transurethral ultrasonic investigation, fine needle multifocal biopsy of the prostate. Three groups were identified by the PSA levels. 7 patients of group 1 had PSA up to 6 ng/ml. Cancer was diagnosed in 3 of them, prostatic intraepithelial neoplasia (PIN) in 4 patients. 16 patients of group 2 had PSA within 7-10 ng/ml. In this group only 1 patient had cancer, the rest 15 had PIN. 21 patients of group 3 with PSA at least 10 ng/ml had cancer, benign prostatic hyperplasia, PIN (12, 2 and 7 patients, respectively). 3 patients with high-grade PIN and PSA above 10 ng/ml in 6 months were diagnosed to have adenocarcinoma, in 6 such patients signs of dysplasia disappeared after antiandrogenic therapy. Further investigations on diagnosis and treatment of PIN are desirable.
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