Primary malignant melanoma of the urinary bladder. |
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| Authors: | T Kojima T Tanaka N Yoshimi H Mori |
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| Affiliation: | First Department of Pathology, Gifu University School of Medicine, Japan. |
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| Abstract: | Primary malignant melanoma is an unusual neoplasm in the urinary bladder that is infrequently found in association with melanosis. We report a case of bladder-invasive malignant melanoma with melanosis in which the melanosis exhibited melanocytic atypia extending through to melanoma in situ and was diagnosed by immunohistochemical techniques using a monoclonal antibody, HMB-45. To our knowledge, such findings have not been reported previously. |
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