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KMID : 1130920200240030120
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Journal of Korean Foot and Ankle Society
2020 Volume.24 No. 3 p.120 ~ p.123
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Plantar Keratosis Induced by Heterotopic Ossification under the Medial Sesamoid Bone: A Case Report
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Kim Seung-Joo
Suh Jin-Soo
Kim Ji-Ye
Choi Jun-Young
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Abstract
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Heterotopic ossification is the formation of extra-skeletal bone in the muscle and soft tissues, and an osteoma is a benign bone-forming tumor composed of compact or mature trabecular bone limited almost exclusively to the craniofacial bones. This paper reports an extremely rare case of heterotopic ossification mimicking an osteoma that occurred independently at the plantar side of the medial sesamoid bone. The patient was a 46-year-old male with a three-month history of pain and a hard mass on the plantar aspect of the left forefoot sole. After excising the lesion, the patient’s symptoms were relieved, and no pain or complications occurred. This paper discusses this exceedingly rare case of heterotopic ossification around the medial sesamoid bone with a review of the relevant literature.
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KEYWORD
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Heterotopic ossification, Osteoma, Plantar keratosis, Hallux, Sesamoid bone
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