In Maffucci’s syndrome (very rare), multiple, diffuse chondromas are associated with multiple hemangiomas, cutaneous, subcutaneous, or in the deep soft tissues (not in the bone). Basic imaging is the same…

Localization: It usually arises in the metaphyses of the long bones, beneath the growth plate, but along with patient growth, the cyst migrates to the diaphysis. The most common location…

Location: Femur (proximal), tibia, craniofacial bones, ribs; then humerus, forearm, pelvis. Same sites in multicentric and polyostotic disease. Frequently more areas in the same long bone, or two to three…

Radiographs of the arm and hand. Multiple exostoses. Bone deformation and shortening Selected Bibliography Bovée JV (2008) Multiple osteochondromas. Orphanet J Rare Dis 3:3. ReviewPubMedCentralPubMedCrossRef

Localization: The lesion is almost exclusively localized in the shaft of the tibia, occasionally involving the ipsilateral fibula, too. Exceptionally it is bilateral in tibias and fibulas. Clinical: The symptoms…

Localization: It is generally localized in the metaphysis at first and then displaced toward the diaphysis. It starts intracortically/subperiosteally. Most of the lesions are located around the knee and ankle….

(1) 2nd Orthopaedic and Traumatologic Clinic, Istituto Ortopedico Rizzoli, Bologna, Italy   Abstract It is a very rare condition possibly linked to neurofibromatosis. Multiple large histiocytic fibromas extend to the…