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  • Title: Osteoblastoma of the clavicle at the site of a previous fracture-first case report and review of the literature.
    Author: Moreira AC, Suster DI, Eide SE, Rosenthal DI, Chang CY.
    Journal: Skeletal Radiol; 2019 Oct; 48(10):1623-1628. PubMed ID: 30850870.
    Abstract:
    Osteoblastoma is a rare, benign primary tumor of bone, accounting for < 1% of all bone tumors. We report the case of a 27-year-old female who developed pain and swelling five and a half years after a clavicular fracture and was subsequently found to have an osteoblastoma arising at the fracture site. This is the first reported case of an osteoblastoma developing after a fracture, although osteoid osteomas, which are histologically indistinguishable from osteoblastomas, have been reported at prior fracture sites. This report demonstrates that secondary neoplasms such as osteoblastomas should be considered in the differential diagnosis for pain at a healed fracture site recurring years after the initial trauma.
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