Gonadoblastoma Steven S. Shen, MD, PhD Jae Y. Ro, MD, PhD Key Facts Terminology Tumor composed of mixture of seminomatous cells and immature sex cord tumor resembling Sertoli or granulosa…

Adenomatoid Tumor Steven S. Shen, MD, PhD Jae Y. Ro, MD, PhD Key Facts Terminology Benign paratesticular tumor of mesothelial cell origin, which has a variety of growth patterns, including…

Melanotic Neuroectodermal Tumor Steven S. Shen, MD, PhD Jae Y. Ro, MD, PhD Key Facts Terminology Congenital melanocarcinoma, retinal anlage tumor, melanotic progonoma, melanotic hamartoma Rare paratesticular (usually epididymis) tumor…

Seminoma Steven S. Shen, MD, PhD Mahul B. Amin, MD Jae Y. Ro, MD, PhD Key Facts Terminology Most common pure germ cell tumor composed of relatively uniform cells with…

Acinar Adenocarcinoma Gladell P. Paner, MD Rafael E. Jimenez, MD Jesse K. McKenney, MD Key Facts Terminology Malignant neoplasm arising from secretory cells Etiology/Pathogenesis ˜ 50% PCa harbor TMPRSS2 and…

Pseudohyperplastic Carcinoma Antonio L. Cubilla, MD Alcides Chaux, MD Elsa F. Velazquez, MD Key Facts Etiology/Pathogenesis Strong association with lichen sclerosus Macroscopic Features Foreskin location Multicentricity Tumor with flat or…

Bowenoid Papulosis Elsa F. Velazquez, MD Antonio L. Cubilla, MD Key Facts Etiology/Pathogenesis Most often related to HPV 16 Clinical Issues Often multifocal Benign-looking papules Usually affecting skin of shaft…

Sex Cord Stromal Tumor, Mixed/Unclassified Steven S. Shen, MD, PhD Jae Y. Ro, MD, PhD Key Facts Terminology Group of SCST with mixture of recognizable types SCST with incomplete differentiation…