Case presentation A 65-year-old man presented with a history of abdominal pain in the right lumbar region over a period of 6 months. Clinical examination Clinical examination of the abdomen revealed Soft, tender, and a vaguely palpable mass in the right suprarenal region No organomegaly Vanillylmandelic acid level - 11.3 mg/24 h Metanephrine levels - 173 μg/dl Imaging analysis Normal chest X-ray Ultrasonography of the abdomen revealed A large solid hypoechoic slightly lobulated mass lesion in the right suprarenal region The inferior vena cava is slightly compressed. CT scan of the abdomen revealed A large heterogeneously space-occupying lesion in the right suprarenal area ( Fig.
1 ) The lesion displayed peripheral enhancement with internal non-enhancing areas causing compression of the inferior vena cava and further displacing the right kidney inferiorly. Excised tumor sample evaluation…
