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Pulmonary Mycobacterium intracellulare disease with a solitary pulmonary nodule detected at the onset of pneumothorax.

Authors
  • Kobashi, Yoshihiro1
  • Fukuda, Minoru
  • Yoshida, Kouichiro
  • Miyashita, Naoyuki
  • Oka, Mikio
  • 1 Division of Respiratory Diseases, Department of Medicine, Kawasaki Medical School, 577 Matsushima, Kurashiki 701-0192, Japan. [email protected]
Type
Published Article
Journal
Journal of infection and chemotherapy : official journal of the Japan Society of Chemotherapy
Publication Date
August 2006
Volume
12
Issue
4
Pages
203–206
Identifiers
PMID: 16944259
Source
Medline
License
Unknown

Abstract

A 61-year-old man with a past history of pulmonary emphysema 6 years earlier was admitted to the emergency department at our hospital because of cough and dyspnea. Left pneumothorax was recognized on a chest radiograph. After his admission to the emergency department, chest drainage was inserted and the left lung was expanded. Afterwards, a nodular shadow (>1.5 cm) was found in the left upper lobe, and differentiation from pulmonary adenocarcinoma was required. As a definite diagnosis could not be made by bronchoscopy, video-assisted thoracoscopic surgery was performed, and a solitary nodule in the left upper lobe was resected. Histologically, a caseating epitheloid granuloma with acid-fast bacilli was found. Regarding the causative pathogen, Mycobacterium intracellulare was identified from the surgically resected specimen. We have reported a peculiar case of pulmonary M. intracellulare disease, detected at the onset of left secondary pneumothorax caused by pulmonary emphysema, which required differentiation from pulmonary adenocarcinoma.

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