, Volume 8, Issue 7, pp 1137-1139

Hyperplastic callus formation in osteogenesis imperfecta: CT and MRI findings

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Abstract.

Hyperplastic callus formation is a noteworthy condition in patients with osteogenesis imperfecta because it often mimicks osteosarcoma on radiography. The findings of CT and MRI in hyperplastic callus formation have not been reported. In the presented case, MRI demonstrated contrast enhancement and edema of the surrounding soft tisssue, consistent with benign as well as malignant disease. Computed tomography showed a calcified rim of the lesion which may be a useful feature to rule out osteosarcoma in this condition.

Received 7 August 1997; Revision received 17 November 1997; Accepted 24 December 1997