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Review Case Reports
Osteogenesis imperfecta and hyperplastic callus formation in a family: a report of three cases and a review of the literature.
- Norman Ramírez, Fernando E Vilella, Mirylsa Colón, and John M Flynn.
- Deparment of Orthopaedics, Mayagüez Medical Center, Puerto Rico.
- J Pediatr Orthop B. 2003 Mar 1;12(2):88-96.
AbstractOsteogenesis 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.
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