Abstract
Merkel cell carcinoma (MCC) is an unusual malignant primary skin tumor, having a high incidence of local recurrent, and regional and distant metastasis. Due to its capacity to express somatostatin receptors, it can be detected in vivo with 111In-pentetreotide scintigraphy (Ostreoscan). We present a case of a MCC whose scintigraphy revealed regional metastases of a primary frontal cutaneous tumor that had been removed previously. The results verified a good correlation with clinical, radiological an histopathological findings.
MeSH terms
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Aged
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Biomarkers, Tumor / analysis
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Carcinoma, Merkel Cell / diagnosis
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Carcinoma, Merkel Cell / diagnostic imaging*
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Carcinoma, Merkel Cell / pathology
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Carcinoma, Merkel Cell / secondary*
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Carcinoma, Small Cell / diagnosis
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Carcinoma, Squamous Cell / diagnosis
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Diagnostic Errors
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Humans
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Indium Radioisotopes*
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Lentigo / diagnosis
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Lymphatic Metastasis / diagnostic imaging
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Male
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Neoplasm Invasiveness
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Neoplasm Proteins / analysis
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Parotid Neoplasms / diagnostic imaging*
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Parotid Neoplasms / secondary*
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Pentetic Acid*
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Phosphopyruvate Hydratase / analysis
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Skin Neoplasms / diagnosis
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Skin Neoplasms / diagnostic imaging*
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Skin Neoplasms / pathology
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Somatostatin / analogs & derivatives*
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Tomography, Emission-Computed, Single-Photon*
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Tomography, X-Ray Computed
Substances
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Biomarkers, Tumor
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Indium Radioisotopes
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Neoplasm Proteins
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Somatostatin
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Pentetic Acid
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Phosphopyruvate Hydratase
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pentetreotide