A large Sertoli-Leydig Cell Tumor of the ovary removed from a 59 y/o post-menopausal female. The tumor was multicystic and had solid areas. The larger cyst was filled with chocolate-brown material. Histologic appearance was that of a well-differentiated sertoli-leydig cell tumor. Case courtesy of Dr. Sanjay D. Deshmukh and Dr. Gayatri S. Pathak, S. K. Navale Medical College, Narhe, Pune-41, India.