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KMID : 0363220100480020152
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Korean Journal of Dermatology
2010 Volume.48 No. 2 p.152 ~ p.154
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A Case of Subungual Osteochondroma
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Kim Byung-Yoon
Huh Sun-Young
Cho Kwang-Hyun
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Abstract
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Subungual osteochonroma is a benign bone tumor of the fingers and toes. Clinically it may present as a slow-growing firm mass causing deformity of the overlying nail. It must be differentiated from other subungual masses such as verruca vulgaris, subungual exostosis and enchondroma. Here we present a case of subungual osteochondroma of the right 1st toe presenting as a verrucous skin lesion in an 11-year-old male. Radiographic examination showed an outgrowth of the bony tissue on the dorsum of the distal phalangeal bone beneath the nail. Histopathologic examination revealed a characteristic trabecular bone formation covered with a hyaline cartilage cap. The lesion was successfully treated by total excision and curettage of the underlying bony surface. (Korean J Dermatol 2010;48(2):152∼154)
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KEYWORD
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Subungual osteochondroma
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