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KMID : 0383820120720010082
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Tuberculosis and Respiratory Diseases
2012 Volume.72 No. 1 p.82 ~ p.87
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First Isolation of Segniliparus rugosus from a Patient with Radiologic Features Similar to Non-Tuberculous Mycobacteriosis
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Choi Sun-Mi
Kang Hyo-Jae
Jeong Yun-Jeong
Lim Joo-Hyun
Choi Won-Seok
Hwang Sang-Hyun
Park Jin-Kyeong
Hwang Ho-Bin
Lee Hee-Seok
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Abstract
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In 2005, a group of mycolic acid-containing bacteria was characterized as belonging to a novel genus, Segniliparus with species Segniliparus rugosus and S. rotundus. We report a case of the S. rugosus isolated from a 54-year-old woman with radiologic features mimicking that of non-tuberculous mycobacteriosis (NTM). When the patient first visited our hospital, an acid-fast bacteria (AFB) smear tested positive and Mycobacterium tuberculosis polymerase chain reaction (TB PCR) was negative in the bronchoalveolar lavage sample. After 2 months, the growing colonies were reported as NTM, but could not be identified because they had died. One year after the initial visit, induced sputum samples showed the same results, positive AFB smear and negative TB PCR. At this point, the growing colonies were identified as S. rugosus. Therefore, we should consider Segniliparus genus as a differential diagnosis for AFB in respiratory specimens in addition to the genus Mycobacterium.
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KEYWORD
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Actinomycetales
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