title: Ischemic necrosis of the femoral head simulating chondroblastoma.
mesh_terms: D000328:Adult; D002804:Chondroblastoma / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D005266:Femoral Neoplasms / Q000000981:diagnostic imaging*; D005269:Femur / Q000098:blood supply*; D005271:Femur Head Necrosis / Q000000981:diagnostic imaging*; D006801:Humans; D007511:Ischemia / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D011859:Radiography