Fig. 3From: Leydig cell tumor of the testis with azoospermia and elevated delta4 androstenedione: case reportPhoto of the tumor at high magnification (X200). Tumor cells are large with an abundant eosinophilic cytoplasm and round regular nuclei with small nucleoli, according with Leydig cells. Hematoxylin Eosin and Saffron (HES) stainBack to article page