Non-seminomatous extragonadal germ cell tumor (yolk sack tumor) in liver of a 17 years old patient with discrepancy in ultrasound and CT findings – a case report

Aim: To present a case of a 17 years old patient who appeared in the emergency unit with swollen abdomen. Methods: The patient underwent abdominal ultrasound and CT scan. Abdominal ultrasound confirmed enlarged liver with multiple highly hyperechoic lesions which appeared solid, whereas abdominal CT confirmed multiple predominantly hypodense lesions, which appeared cystic. The lesions did not enhance on CT scan after contrast medium administration. An additional heterogenous mass was confirmed in the region around the tail of pancreas. Fine needle biopsy of liver suggested the diagnosis of a yolk sack tumor, whe…