Calcific malignant pheochromocytoma

A 22-year-old man presented with a 2-week history of headache, anorexia and abdominal fullness. He also reported a 3-month history of intermittent abdominal dull pain. Physical examinations were unremarkable, except distended abdomen. Routine biochemistries were normal. Abdominal radiograph revealed amorphous calcifications in right upper quadrant of the abdomen (Figure 1a, arrow). Contrast-enhanced computed tomography of …