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  • Title: [Evaluation of prostate aspiration biopsy for cytological detection of prostate cancer].
    Author: Fujimoto Y, Takeuchi T, Kuriyama M, Nishiura T, Sugie S, Takahashi M.
    Journal: Hinyokika Kiyo; 1986 Oct; 32(10):1455-9. PubMed ID: 3565181.
    Abstract:
    The aspiration biopsy of the prostate for cytological detection was evaluated in 143 patients with clinically suspected prostate cancer and compared with the pathological diagnosis by needle biopsy performed simultaneously. Histopathological evaluation was possible in 136 cases. Sufficient cells for cytological diagnosis were obtained in 92.3% of pathologically diagnosed cases. Only 3 specimens for cytology (4.3%) of the prostate cancer before treatment were insufficient for cytology. Compared with pathological diagnosis by needle biopsy, false positive and negative rates were observed in 4.8% and 25.0% respectively. The accuracy rate of cytological diagnosis was higher the higher the degree of anaplasia in the pathological findings. In 20 clinically well-controlled patients the cytological results were negative in all of the well differentiated adenocarcinomas, whereas positive in poorly differentiated ones without exception. The cytological findings were still positive in all of the 4 cases with progressive cancer in spite of the anticancer therapy. Besides these results, because of no complication in the 182 aspiration biopsies, this may be a useful method for detection of prostate cancer, especially for screening of the cancer and judgment of efficacy during treatment.
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