CTICasesFibrous Dysplasia of the Rib
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Imaging findings
CT shows a large, expansile, somewhat heterogeneous lesion within a solitary rib, initially thought to be fibrous dysplasia or potentially a sarcoma by musculoskeletal specialists.
Key takeaways
Fibrous dysplasia is a benign fibro-osseous lesion that can affect any bone, including the ribs. It can present as a large, expansile mass, sometimes mimicking a sarcoma on imaging due to its size and heterogeneous appearance. Definitive diagnosis is made by pathology, confirming it as fibrous dysplasia without malignant features. This case demonstrates a dramatic presentation of fibrous dysplasia in a rib.
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See all cases from July 23, 2015 →