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amelanotic |
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amelanotic /amel·a·not·ic/ (a″mel-ah-not´ik) pertaining to or characterized by the absence of melanin. amelanotic [am′ilənot′ik] Etymology: Gk, a, melas, not black pertaining to tissue that is unpigmented because it lacks melanin. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| ? Mentioned in | ? References in periodicals archive | ||
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| Although the tumor in our
patient appeared to be amelanotic on clinical examination, melanin
pigmentation was seen in the cytoplasm on microscopy, and
immunohistology was positive for S-100 protein. A patient
with amelanotic melanoma may look well, but will likely soon be dead. The differential diagnosis of dendritic reticulum cell sarcoma
includes ectopic meningioma, ectopic thymoma, amelanotic malignant
melanoma, malignant fibrous histiocytoma, and undifferentiated
carcinoma. |
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