The authors describe radiologic and pathoanatomic findings in the very rare Mafucci-Kast
syndrome. In a 39-year-old Libyan patient multiple enchondromas of the fifth ray of the left …

A case of solitary osteoma of the parietal skull is described in a mother and her 12-year-old
son. There were no other craniofacial or dysmorphic features and there was no history of …

We report five new cases of rhabdomyosarcoma (RMS) in Costello syndrome. These cases,
combined with those previously reported, increase the number of solid tumors to 17 (10 …

Many attempts have been made to find a marker of the dominant gene in the heritable colon
cancer syndromes, in order to detect family members at risk (Danes et al., 1980; Vargish et …

Buschke–Ollendorff syndrome (BOS) is an autosomal dominant disorder characterized by
elastin-rich hamartomas and osteopoikilosis. CASE REPORT: In a 21-year-old woman …

Ollier's disease is a rare disease characterized by constitutional bone dysplasia with
multiple enchondromas. The combination of haemangioma and chondromatoses is known …

We report a unique case of symptomatic chondrosarcoma of the medial end of the clavicle
resulting in pain and Horner's syndrome. To our knowledge this is the first reported case in …

Pagetoid osteosarcoma is a complication of Paget's disease of bone. Sarcomatous
transformation is most often seen in severe, long-standing Paget's disease. Familial …

Context.—Cartilaginous tumors represent one of the most common tumors of bone.
Management of these tumors includes observation, curettage, and surgical excision or …

Werner syndrome (WS), adult progeria, is more common in Japan than elsewhere. It
predisposes to osteosarcoma (OS) and five other rare tumors. To determine if and how OS is …