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Primary malignant melanoma (clear cell sarcoma) of bone: Report of a case arising in the ulna

✍ Scribed by Ryohei Yokoyama; Kiyoshi Mukai; Teruyuki Hirota; Yasuo Beppu; Hisatoshi Fukuma


Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
483 KB
Volume
77
Category
Article
ISSN
0008-543X

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✦ Synopsis


BACKGROUND.

To the authors' knowledge, there has been no previous report of primary maligiiant melanoma of bone.

METHODS.

A 33-year-old woman presented with a tumorous lesion in the olecranon of the right ulna. The histologic diagnosis was malignant melanoma with close similarity to clear cell sarcoma. To exclude the possibility of malignant melanoma metastatic to the bone, clinical investigations including gallium 67- citrate scintigraphy, brain, chest, and abdominal computed tomography, and upper and lower gastrointestinal endoscopic examinations were performed. Conventional histopathologic, immunohistochemical, and electron microscopic studies were also performed.


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