Fig. 8From: Primary myelofibrosis: spectrum of imaging features and disease-related complicationsCoronal CT demonstrating bilateral lobular perirenal soft tissue masses, contained by Gerota’s fascia and not causing contour deformity against the kidneys (white arrows), consistent with perirenal extramedullary haematopoiesis, a common site of extramedullary haematopoiesis in the abdomen. Note also the presence of periportal extramedullary haematopoiesis (black arrow) and splenomegaly (asterisk) in addition to osteosclerosisBack to article page