1. Randolph TL, Amin MB, Ro JY, et al. Histologic variants of adenocarcinoma and other carcinomas of the prostate: pathologic criteria and clinical significance. Mod Pathol 1997;10:612–629.
2. Gleason DF . Classification of prostatic carcinoma. Cancer Chemother Rep 1966;50:125–128.
3. Amin MB, Grignon DJ, Humphrey PA, et al. Gleason Grading of Prostate Cancer: A Contemporary Approach. Lippincott, Williams & Wilkins: Philadelphia, PA, 2004.
4. Melicow MM, Pachter MR . Endometrial carcinoma of the prostatic utricle (uterus masculinus). Cancer 1976;20:1715–1721.
5. Melicow MM, Tannenbaum M . Endometrial carcinoma of uterus masculinus (prostatic utricle): report of 6 cases. J Urol 1971;106:892–902.