A case of Mycobacterium szulgai lung disease in patient with healed tuberculosis

Eun Jung Lee, Ji Young Park, Eun Young Kim, Jaeho Choi, Hyun Soo Kim, Sang Wan Chung, Jee Hong Yoo, Cheon Woong Choi, Gou Young Kim, Jong Hoo Lee, Yee Hyung Kim

Research output: Contribution to journalArticlepeer-review


Mycobacterium szulgai is a rare nontuberculous mycobacterium found in Korea. It is an opportunistic pathogen and is usually isolated from patients with a history of alcoholism, chronic pulmonary disease, or an immunocompromising condition. We present here a case of M. szulgai isolated from a patient with a history of pulmonary tuberculosis. A 54-year-old man was admitted with dyspnea and febrile sensation. He had a history of pulmonary tuberculosis which occurred 30 years earlier and treatment with anti-tuberculosis medication. His chest computed tomography scan showed cavitary consolidation in both upper lungs. A sputum acid-fast bacilli (AFB) smear was positive and anti-tuberculous medication was started. However, a polymerase chain reaction for mycobacterium tuberculosis was negative and anti-tuberculous medication was stopped. M. szulgai was isolated on 3 separate sputum and bronchial wash fluid AFB cultures. He was treated with clarithromycin, rifampicin, and ethambutol. After 1 month, a sputum AFB smear and culture became negative and no additional M. szulgai were isolated during a 16-month treatment. Copyright

Original languageEnglish
Pages (from-to)55-58
Number of pages4
JournalTuberculosis and Respiratory Diseases
Issue number1
Publication statusPublished - 30 Jan 2012


  • Chronic necrotizing pulmonary aspergillosis
  • Nontuberculous mycobacteria


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