A 2-year-old boy with a testicular mass. Diagnosis: testicular tumor of adrenogenital syndrome due to 11-beta-hydroxylase deficiency.

androsterone sulfate (DHEAS), 17-OH progesterone levels, and ultrasonographic fi ndings consistent with bilateral testicular mass, Leydig cell tumor (LCT) had been considered. Bilateral orchiectomy had been offered in another tertiary medical center. His clinical history revealed a normal delivery at 37th gestational week, with a birth weight of 2,750 g, more remarkable weight and height gain compared with his peers since birth, presence of acne for 1 year, and normal motor-mental development, except delay in Tolga Unuvar, MD, is Assistant Professor; Korcan Demir, MD, is Resident Fellow; Ayhan Abaci, MD, is Assistant Professor; Ali Atas, MD is Assistant Professor; and Ece Bober, MD is Professor, Department of Pediatric Endocrinology, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey. Handan Cakmakci, MD, is Professor, Department of Radiology, Faculty of Medicine, Dokuz Eylul University. Address correspondence to: Prof. Dr. Ece Bober, Department of Pediatric Endocrinology, Faculty of Medicine, Dokuz Eylul University, İzmir, Turkey; or e-mail [email protected]. Dr. Unuvar; Dr. Demir; Dr. Abaci; Dr. Atas; Dr. Cakmakci; and Dr. Bober have disclosed no relevant fi nancial relationships. doi: 10.3928/00904481-20100726-04 Figure 1. Initial scrotal ultrasound examination revealed (a) two nodular mass lesions (arrows) within the left testis and (b) one mass lesion within the right testis (arrows).