[Clinical significance of prostate cytology]

The transrectal fine-needle biopsy and the cytological examination of the prostate is a method which is of the same value as the punch biopsy and the histological examination. A carcinoma of the prostate is also to be diagnosed cytologically reliable. The morphological division in several degrees of differentiation--grading--is possible. By grading the biological activity of the carcinoma and thus also the clinical course of the disease is determined as far as possible. Cytological controls of the course under treatment given the possibility to objectify the success of therapy better, from which may result important consequences for the treatment.