Tuberc Respir Dis.  2006 Apr;60(4):464-468. 10.4046/trd.2006.60.4.464.

Mycobacterium Kansasii Disease Presenting As a Lung Mass and Bronchial Anthracofibrosis

• Ra SW
• Lee KH
• Jung JY
• Kang HS
• Park IN
• Choi HS
• Jung H
• Chon GR
• Shim TS

• KMID: 1719371
• DOI: http://doi.org/10.4046/trd.2006.60.4.464

Abstract

The incidence of Mycobacterium kansasii pulmonary diseases are on the increase in Korea with the higher probability of occurrence in middle-aged and older men with underlying lung diseases Among nontuberculosus mycobacterial (NTM) infections, the clinical features of M. kansasii pulmonary infection are most similar to those of tuberculosis (TB). The chest radiographic findings of M. kansasii infection are almost indistinguishable from those of M. tuberculosis (predominance of an upper lobe infiltration and cavitary lesions), even though some suggest that cavities are more commonly thin-walled and have less surrounding infiltration than those of typical TB lesions. Although there are reports on the rare manifestations of M. kansasii infections, such as endobronchial ulcer, arthritis, empyema, cutaneous and mediastinal lymphadenitis, cellulites and osteomyelitis, the association with bronchial anthracofibrosis has not yet been reported. This report describes the first case of M. kansasii infection presenting as a lung mass in the right lower lobe with accompanying bronchial anthracofibrosis.

Keyword

Mycobacterium kansasii; lung mass; anthracofibrosis

MeSH Terms

Arthritis
Empyema
Humans
Incidence
Korea
Lung Diseases
Lung*
Lymphadenitis
Male
Mycobacterium kansasii*
Mycobacterium*
Osteomyelitis
Radiography, Thoracic
Tuberculosis
Ulcer

Figure

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  Figure 1 Chest X ray and CT finding at initial evaluation. A. Chest radiograph. B. Chest CT scan.

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  Figure 2 Bronchoscopic findings of bronchial anthracofibrosis and stenosis in the anterior segment of right upper lobe bronchus. Bronchial anthracofibrosis was found in multiple segments of bronchial trees.

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