Nonspecific Granulomatous Orchitis Steven S. Shen, MD, PhD Jae Y. Ro, MD, PhD Key Facts Terminology Mixed chronic and granulomatous orchitis with no specific etiology Clinical Issues Usually unilateral testicular…

Sarcomatoid Carcinoma, Prostate Gladell P. Paner, MD Key Facts Terminology Malignant biphasic or monophasic neoplasm of prostate demonstrating epithelial and mesenchymal differentiation by LM/IHC Rationale for considering SC and CS…

Cystadenoma and Epithelial Stromal Tumor Gladell P. Paner, MD Mahul B. Amin, MD Key Facts Clinical Issues Rare, < 25 reported tumors within spectrum of seminal vesicle cystadenoma and epithelial…

Small Cell Carcinoma and Other Neuroendocrine Tumors Gladell P. Paner, MD Rafael E. Jimenez, MD Key Facts Terminology NE tumors of prostate include spectrum of primary prostatic tumors exhibiting NE…

Basal Cell and Adenoid Cystic Carcinoma Rafael E. Jimenez, MD Gladell P. Paner, MD Mahul B. Amin, MD Key Facts Terminology Malignant neoplasm composed primarily of basaloid cells arising putatively…

Prostatic Intraepithelial Neoplasia Rafael E. Jimenez, MD Gladell P. Paner, MD Mahul B. Amin, MD Key Facts Terminology HGPIN: Noninvasive neoplastic transformation of lining epithelium of existing prostatic ducts and…

Urothelial Carcinoma of Prostate Gladell P. Paner, MD Mahul B. Amin, MD Key Facts Terminology UroCa involving prostate arising from prostatic urethra, periurethral glands, and proximal prostatic ducts Clinicopathologically distinct…

Atypical Small Acinar Proliferations Gladell P. Paner, MD Rafael E. Jimenez, MD Jesse K. McKenney, MD Key Facts Terminology Focus of atypical glands in needle biopsy Quantitatively &/or qualitatively insufficient…

Prostate Carcinoma, General Concepts Gladell P. Paner, MD Rafael E. Jimenez, MD Jesse K. McKenney, MD Longitudinal TRUS shows a small, hypoechoic lesion in the peripheral zone, confirmed as PCa…