Familial pulmonary carcinoid tumors.


BACKGROUND Pulmonary carcinoid tumors are rare and usually occur sporadically. Infrequently, they arise in association with multiple endocrine neoplasia type 1 (MEN1). Familial pulmonary carcinoid tumors not associated with MEN1 have not been described. METHODS Two sets of first-degree relatives diagnosed with primary pulmonary carcinoid tumors with no clinical features of MEN1 were identified in a pair of siblings and in a mother and daughter. Mutations in the MEN1 gene were sought using polymerase chain reaction analysis on paraffin embedded tissue from two members of one of the families. RESULTS Histopathologic and immunohistochemical studies confirmed the diagnoses of carcinoid tumors. None of these patients and no family members had features of MEN1. DNA analysis did not detect germline mutations in the MEN1 gene. CONCLUSIONS The occurrence of familial pulmonary carcinoid tumors in the absence of MEN1 suggests a novel, rare germline mutation specific to the development of pulmonary carcinoids.

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@article{Oliveira2001FamilialPC, title={Familial pulmonary carcinoid tumors.}, author={Andr{\'e} Oliveira and Henry Dale Tazelaar and Kimberly A. Wentzlaff and Nobuharu Kosugi and Noritaka Hai and Al Bowen Benson and Daniel L. Miller and Pan-Chyr Yang}, journal={Cancer}, year={2001}, volume={91 11}, pages={2104-9} }