Fig. 4From: Onco-testicular sperm extraction (Onco-TESE) from a single testis with metachronous bilateral testicular cancer: a case reportHistopathological findings of the resected testicular tumor. Hematoxylin–eosin stain of the embryonal carcinoma and yolk sac tumor (100×) (a) and immature teratoma (100×) (b)Back to article page