Abstract
The association in a single organ of two neoplasms with different, histogenensis is uncommon. A dual ano-rectal neoplasms, pigmented malignant melanoma in collision with adenocarcinoma is reported, along with a discussion concerning the problems related with primary origin of the melanocytic component.
Publication types
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Case Reports
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English Abstract
MeSH terms
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Adenocarcinoma / pathology*
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Adenocarcinoma / surgery
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Aged
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Anus Neoplasms / pathology*
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Anus Neoplasms / surgery
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Female
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Humans
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Intestinal Mucosa / pathology
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Melanocytes / pathology
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Melanoma / pathology*
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Melanoma / surgery
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Neoplasms, Multiple Primary / pathology*
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Rectal Neoplasms / pathology*
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Rectal Neoplasms / surgery