Local seeding of anaplastic carcinoma of prostate after needle biopsy.

We present the seventh case of perineal localization of anaplastic carcinoma after needle biopsy of the prostate. The patient first had cryosurgery and bilateral orchiectomy followed by hormonal therapy (estrogens) and chemotherapy. The surgical excision of the mass was performed, but he died a few days later of metastatic disease.