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KMID : 0613320000060020088
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Journal of the Korean Bone and Joint Tumor Soceity
2000 Volume.6 No. 2 p.88 ~ p.91
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Intraarticular Osteochondroma of the Phalanx of the Hand
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Han Chung-Soo
Pyo Na-Sil
Lee Jae-Hoon
Cho Nam-Su
Park Yong-Koo
Ryu Kyung-Nam
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Abstract
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The osteochondroma is the most common benign bone tumor, which occupies 40% of the benign bone tumor. About 80% of lesions arise in the long bone of the extremities, particularly in the knee and the upper extremity. But the occurrence of an intraarticular osteochondroma is rare, especially in the interphalangeal joint. We report the case of a intraarticular osteochondroma which occurred at the interphalangeal joint of the hand in a 12-year-old male patient. The plain X-ray demonstrates an exostosis arising from intraarticular dorsal aspect of the proximal phalanx of the right middle finger. The excised mass was round, measuring 8×3㎜in size and 1 mm in thickness with definite cartilage capsule.
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KEYWORD
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Interphalangeal joint, Hand, Intraarticular osteochondroma
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