Diagnosis: inflammatory myofibroblastic tumor of the spleen.Description: Spleen weighs 1870g, size 21x12x9 cm. On section, tumor of 11 cm diameter with star-shaped fibrotic patches.Additional findings: Histology: inflammatory pseudotumor.Clinical findings: 37-year-old patient, splenic tumor (about 12 cm diameter) of unknown etiology. DDx: hemangioma/teratoma/lymphoma -> splenectomy. Chronic hyporegenerative, normochromic, normocytic anemia, chronically elevated CRP of unknown etiology.(Source: ©PathoPic)