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[Neuroendocrine carcinoma of the ampullar region with oat-cell histological features and adenocarcinoma]. / Carcinoma neuroendocrino de la región ampular con rasgos histológicos de "oat-cell" y adenocarcinoma.
Fresno, M F; Floriano, P; Díaz Iglesias, J M; Ablanedo, P; Pérez del Río, M J; Barneo, L; Herrero, A.
Afiliação
  • Fresno MF; Servicio de Anatomía Patológica, Hospital Covadonga, Universidad de Oviedo.
Rev Esp Enferm Dig ; 89(1): 60-4, 1997 Jan.
Article em Es | MEDLINE | ID: mdl-9090985
We report a case of primary duodenal carcinoma showing neuroendocrine and glandular differentiation, in a 65-years-old male. Both components were closely related and transition between them was observed. The neuroendocrine component was composed of an undifferentiated "oat-cell" type, with positive immunostaining for neuroendocrine and epithelial markers. Ultrastructural findings confirmed this double differentiation, with dense cytoplasmatic granules of neurosecretory type. The neuroendocrine component showed greater aggressiveness with lymph node metastasis.
Assuntos
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Ampola Hepatopancreática / Adenocarcinoma / Carcinoma de Células Pequenas / Neoplasias do Ducto Colédoco / Neoplasias Duodenais / Neoplasias Primárias Múltiplas Limite: Aged / Humans / Male Idioma: Es Ano de publicação: 1997 Tipo de documento: Article
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Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Ampola Hepatopancreática / Adenocarcinoma / Carcinoma de Células Pequenas / Neoplasias do Ducto Colédoco / Neoplasias Duodenais / Neoplasias Primárias Múltiplas Limite: Aged / Humans / Male Idioma: Es Ano de publicação: 1997 Tipo de documento: Article