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J Pediatr Orthop B. 2003 Mar;12(2):88-96.

Osteogenesis imperfecta and hyperplastic callus formation in a family: a report of three cases and a review of the literature.

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Deparment of Orthopaedics, Mayagüez Medical Center, Puerto Rico.


Osteogenesis imperfecta is one of the most common groups of inherited disorders of connective tissue. Hyperplastic callus formation in patients with osteogenesis imperfecta after fracture or surgery is a rare occurrence that has often been misdiagnosed as osteosarcoma. Previous series reported that hyperplastic callus formation is more often present in osteogenesis imperfecta male patients, with white sclerae, and a negative family history of the disorder. This is the first time that this complication has been presented in three female siblings, with a positive family history of osteogenesis imperfecta type IV. An association between osteogenesis imperfecta type IV and hyperplastic callus formation is unclear. This association might, however, be a separate, specific subtype of osteogenesis imperfecta, with an unknown inheritance pattern.

[Indexed for MEDLINE]

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