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Vol.58 No.3 contents

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- Case Report -

A Case of Metachronous Multiple Lung Cancers Coexistent with Pulmonary Non-tuberculous Mycobacteriosis

Hitoshi Suzuki¹, Shin Shomura¹, Yasuhiro Sawada¹, Kentaro Inoue¹, Akira Shimamoto², Chiaki Kondo^1
1Department of Thoracic Surgery, Mie Prefectural General Medical Center, Japan, ²Department of Thoracic and Cardiovascular Surgery, Graduate School of Medicine, Mie University, Japan

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Background. The number of patients with lung cancer coexistent with pulmonary non-tuberculous mycobacteriosis (NTM) has increased in recent years with the increasing incidence of pulmonary NTM and lung cancer. We herein report a case of metachronous multiple lung cancers coexistent with pulmonary NTM. Case. A 72-year-old woman underwent right upper lobectomy with lymph node dissection because of lung adenocarcinoma coexistent with lung NTM. Two years later, she was admitted to our hospital because of cough. Chest computed tomography showed a growing tendency of ground glass opacities and three new nodules. Left S⁶ segmentectomy was performed because three nodules showed a growing tendency even after anti-tuberculous chemotherapy for three months. Histologically, the nodules were diagnosed as adenocarcinoma in situ. Conclusion. The development of lung cancer should be considered when lesions of lung NTM continue to grow despite appropriate chemotherapy.
key words: Pulmonary non-tuberculous mycobacteriosis, Metachronous lung cancer, Multiple lung cancers, Coexistence

Received: January 10, 2018
Accepted: February 21, 2018

JJLC 58 (3): 201-205, 2018