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Surg Today. 2011 Jun;41(6):841-5. doi: 10.1007/s00595-010-4359-0. Epub 2011 May 28.

Pleomorphic carcinoma of the lung arising in a patient with Li-Fraumeni syndrome: report of a case.

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Department of Thoracic Surgery, Sapporo Minami-sanjo Hospital, S3, W6, Chuo-ku, Sapporo, 060-0063, Japan.


We herein report the case of a patient with Li-Fraumeni syndrome (LFS) who developed lung pleomorphic carcinoma. A 28-year-old female patient with a family history of early-onset malignancies was diagnosed with lung carcinoma and treated by surgical resection. Histological examination revealed a heterogeneous tumor with epithelial and mesenchymal components. The final pathological diagnosis was pulmonary pleomorphic carcinoma. In this patient, a constitutional mutation at codon 213 in exon 6 of the p53 gene was identified in the peripheral lymphocytes and the resected tumor, and LFS was suspected. This mutation causes a nonsense mutation (Arg-to-Stop codon) that has been shown to attenuate p53 function. This is the first report of pulmonary pleomorphic carcinoma developing in an LFS patient, and may suggest a relationship between germline p53 mutation and carcinogenesis in pulmonary pleomorphic carcinoma.

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