Can susceptibility to carcinoid tumors be inherited?
Previously, all carcinoid tumors were considered to occur sporadically. We present an extremely rare series of three first-degree relatives in two generations with proximal duodenal carcinoid tumors and other family-associated neoplasms. This unusual circumstance, which has never been described previously, represents the sixth case of familial clustering of carcinoid tumors reported in the world's literature.
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