Abstract
The existence of different neuroendocrine markers was investigated by immunocytochemistry in a case of Merkel cells tumor. Neuroplastic cells contain NSE,NF,CK and chromogranin A i.r. On the basis of the results the neuroendocrine nature of this uncommon neoplasm of the skin is confirmed and it is suggested that chromogranin A could represent an additional marker for Merkel cells tumors.
MeSH terms
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Adenocarcinoma / immunology
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Adenocarcinoma / metabolism*
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Adenocarcinoma / pathology
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Aged
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Chromogranin A
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Chromogranins / metabolism
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Humans
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Immunoenzyme Techniques
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Intermediate Filaments / metabolism
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Keratins / metabolism
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Lymphatic Metastasis
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Male
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Phosphopyruvate Hydratase / metabolism
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Skin Neoplasms / immunology
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Skin Neoplasms / metabolism*
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Skin Neoplasms / pathology
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Staining and Labeling
Substances
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Chromogranin A
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Chromogranins
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Keratins
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Phosphopyruvate Hydratase