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| | Musculoskeletal Radiology Lists of Differential Diagnoses |
 | | Malignant transformation of bony lesions: fibrous dysplasia – fibrosarcoma, OSA, MFH; Paget’s – OSA; osteomyelitis with draining sinus – SCC; radiation – OSA, chondrosarcoma, MFH; bone infarct – fibrosarcoma, MFH; Ollier’s – chondrosarcoma; Maffucci’s – chondrosarcoma; osteochondroma - chondrosarcoma |
 | | Hallmarks of CPPD: pain, cartilage calcification (knee, triangular fibrocartilage of wrist, pubic symphysis), joint destruction from secondary DJD (shoulder, elbow, radiocarpal jt, patellofemoral jt), subchondral cysts, can present as pseudogout |
 | | Dense base of skull: fibrous dysplasia, Engelmann’s disease (kids, cortical thickening midshaft of long bones involving both periosteal and endosteal surfaces), Von Buchem’s disease (adults), Paget’s disease, meningioma, pyknodysostosis, osteopetrosis |
| www.home.caregroup.org /departments/radiology/residency/teaching/differential/MSKDDx.htm (1319 words) |
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