Fumihiko Kono

Primary Pure Yolk Sac Tumor of the Urinary Bladder: A Case Report

ABSTRACT Introduction Yolk sac tumors are malignant germ cell tumors that typically arise in the gonads. Although extragonadal cases have been reported, primary involvement of the urinary tract is extremely rare. Case Presentation A 67‐year‐old man presented with gross hematuria....