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KMID : 1103720170770060421
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Journal of the Korean Society of Radiology
2017 Volume.77 No. 6 p.421 ~ p.424
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Juxtacortical Osteoma of the Metatarsal Bone: A Case Report
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Kim Su-Ji
Park Hee-Jin
Lee So-Yeon
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Abstract
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Osteoma is a benign bone-forming tumor composed of compact or mature trabecular bone and is limited almost exclusively to craniofacial bones, especially in the paranasal sinuses and mandible. It is typically a slow growing lesion that is asymptomatic, unless its size significantly increases to cause symptoms such as pain or other neurological symptoms, that happens more often in cases involving craniofacial bones. Radiological appearance of these tumors depends on their location. In cases of juxtacortical osteoma, it is crucial to differentiate between this type of tumor and parosteal osteosarcoma, sessile osteochondroma, and matured juxtacortical focus of myositis ossificans. However, in some cases, it is difficult to differentiate juxtacortical osteoma from above mentioned lesions only with radiologic appearance. We describe a case of an osteoma that arose from the second metatarsal bone, a rare anatomical location for osteoma.
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KEYWORD
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Bone Neoplasms, Osteoma, Metatarsal Bones, Foot
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