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Treatment strategy for primary lung cancer in a lung highly compressed by giant emphysematous bullae: A case report

Lung cancer sometimes develops on the wall of a giant emphysematous bulla (GEB). Herein, we describe a rare case in which lung cancer developed in lung tissue compressed by GEBs. A 62‐year‐old man underwent a computed tomography (CT) scan that revealed two right GEBs. A tumor was suspected in the hi...

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Detalles Bibliográficos
Autores principales: Kawamoto, Nobutaka, Hayashi, Masataro, Okita, Riki, Okada, Masanori, Inokawa, Hidetoshi, Kobayashi, Taiga, Maeda, Tadashi, Ikeda, Eiji
Formato: Online Artículo Texto
Lenguaje:English
Publicado: John Wiley & Sons Australia, Ltd 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7812065/
https://www.ncbi.nlm.nih.gov/pubmed/33174376
http://dx.doi.org/10.1111/1759-7714.13739
Descripción
Sumario:Lung cancer sometimes develops on the wall of a giant emphysematous bulla (GEB). Herein, we describe a rare case in which lung cancer developed in lung tissue compressed by GEBs. A 62‐year‐old man underwent a computed tomography (CT) scan that revealed two right GEBs. A tumor was suspected in the highly compressed right upper lobe. Since the right bronchus was significantly shifted toward the mediastinum, it was difficult to perform a bronchoscopy. We inserted thoracic drains into the GEBs, and a subsequent CT scan revealed re‐expansion of the remaining right lung and a 3.3 cm tumor in the right upper lobe. The shift of the right bronchus was improved, and bronchoscopy was performed. The tumor was diagnosed as non‐small cell lung cancer (NSCLC). Additionally, the GEBs were found to have originated from the right lower lobe. We performed a right upper lobectomy, mediastinal lymph node dissection, and bullectomy of the GEBs via video‐assisted thoracoscopic surgery. In preoperative evaluation of a GEB, assessing re‐expansion and lung lesions of the remaining lung is important, and intracavity drainage of a GEB may be useful. KEY POINTS: Significant findings of the study: Cancer that develops in lung tissue highly compressed by a giant emphysematous bulla is difficult to diagnose. In the preoperative evaluation of a giant emphysematous bulla, assessing re‐expansion and lung lesions of the remaining lung is important. What this study adds: After performing intracavity drainage of a giant emphysematous bulla, the remaining lung re‐expands, and the bronchial shift improves; subsequently, bronchoscopy makes it possible to diagnose lung cancer in the remaining lung.