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Localized Synchronous Pulmonary Langerhans Cell Sarcoma and Langerhans Cell Histiocytosis

Sachi Kawagishi¹, Tomohiro Maniwa¹, Hirokazu Watari¹

¹Department of General Thoracic Surgery, Osaka International Cancer Institute, Osaka, Japan.

Annals of Thoracic Surgery Short Reports

|January 10, 2025

Abstract:

A synchronous presentation of pulmonary lesions of Langerhans cell sarcoma (LCS) and Langerhans cell histiocytosis (LCH) is extremely rare. We report the case of a 57-year-old man with 3 pulmonary nodules, 1 in the left lung and 2 in the right lung. In a 2-stage operation, he first underwent a left segmentectomy, and the nodule was diagnosed as LCS. Thereafter, 1 of the 2 right pulmonary nodules disappeared. The residual nodule was resected by right segmentectomy and was diagnosed as LCH. This is a report of complete resection of localized, synchronous pulmonary lesions of LCS and LCH.

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