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pubmed:abstractText |
The authors review 26 cases of multiple endocrine tumours with presence of a carcinoid tumour. In 44% the carcinoid was localised to the bronchus, in 20% of cases to the small intestine or duodenum. In 76% of cases during multiple endocrine tumours, the carcinoid appeared in embryological derivatives of the anterior part of the intestine. No carcinoid syndrome was reported. The difficulty of histological distinction has led to the description of carcinoid islet cell tumours. These facts fit in with the APUD concept.
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