Successful Diagnosis of a Thymoma by Endobronchial Ultrasound-guided Transbronchial Needle Aspiration: A Report of Two Cases

Yasushi Yoshida; Masato Singyoji; Hironori Ashinuma; Meiji Itakura; Toshihiko Iizasa; Koichiro Tatsumi

doi:10.2169/internalmedicine.54.3486

CASE REPORTS

Successful Diagnosis of a Thymoma by Endobronchial Ultrasound-guided Transbronchial Needle Aspiration: A Report of Two Cases

Yasushi Yoshida, Masato Singyoji, Hironori Ashinuma, Meiji Itakura, Toshihiko Iizasa, Koichiro Tatsumi

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Keywords: thymoma, subclassification, endobronchial ultrasound-guided transbronchial needle aspiration

JOURNAL OPEN ACCESS

2015 Volume 54 Issue 21 Pages 2735-2739

DOI https://doi.org/10.2169/internalmedicine.54.3486

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Abstract

We herein report two cases of thymomas diagnosed by endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA). In both cases, the tumor was adjacent to the central airway. Therefore, we attempted to perform EBUS-TBNA in order to obtain specimens for a histopathological examination, which resulted in a diagnosis of thymoma. In one case, surgical resection was conducted and the histological evaluation of the resected specimen confirmed thymoma type AB, consistent with the histology from the EBUS-TBNA specimen. As a safe and minimally invasive procedure, EBUS-TBNA may be considered for the diagnosis of mediastinal tumors, including thymoma.

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