Fig. 14
From: Testicular tumours in children: an approach to diagnosis and management with pathologic correlation
Leydig cell tumour. A 7-year-old boy presents precocious puberty with a high level of testosterone. Scrotal ultrasound is performed. a Longitudinal view of the left testis shows a well-delimited lobulated heterogeneous mass (arrows) and (b) colour Doppler image shows peripheral and central vascularization of the mass. Intraoperative biopsy diagnoses a Leydig cell tumour and a testis sparing surgery is carried out