Teratocarcinoma presenting with duodenal metastases diagnosed on endoscopic fine needle aspiration.

Upper gastrointestinal bleed as the first symptom of metastatic testicular tumors is rare. We describe a 17-year-old man who presented with upper gastrointestinal bleed; endoscopic fine needle aspiration cytology from a duodenal mass suggested germ cell tumor, which was later confirmed on histology of the testis.