Mod Pathol 2021 Jun 8. Epub 2021 Jun 8.
Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
Testicular Leydig cell tumor (LCT), the most common sex-cord stromal tumor in men, represents a small fraction of all testicular tumors (~1 to 3%). Although most testicular LCTs are indolent and cured by radical orchiectomy, 5-10% have aggressive biology and metastatic potential. In primary LCTs, large size, cytologic atypia, necrosis, increased mitotic activity, and vascular invasion have been associated with clinically aggressive tumors. Read More