A 25year-old Nigerian woman, was admitted because of a 7month lasting lumbar pain irradiated to the abdomen. She's been in Italy for 5months. Her medical history was mute except for a malaria infection during childhood. No fever or systemic symptoms were referred, physical examination was unremarkable except for a right convex scoliosis. An abdominal ultrasound revealed a mass below the lower pole of the left kidney. An abdominal CT scan showed collapse of T12 over L1 with lytic lesions of the vertebral bodies (Fig.
