title: [A case of pulmonary Mycobacterium shimoidei infection].
abstract: A 68 year-old male who was ex-smoker presented with fever and cough. Chest radiograph showed infiltrative shadows in both upper lung fields. A sputum smear for acid-fast bacilli was positive. But the isolate was not identified by polymerase chain reaction method. Acid-fast bacilli were cultured from sputum, but the identification was not done by DNA-DNA hybridization method. Mycobacterium shimoidei was identified by 16S ribosomal RNA sequencing with 98.42% matching. Rifampicin, ethambutol, clarithromycin, pyrazinamide, and ciprofloxacin were administered, and the symptom and abnormal shadows on chest radiography improved. And three months later from the initiation of treatment, sputum smear for acid-fast bacilli became negative. Chest CT scan four months after treatments showed decrease of infiltrative shadows. We had treated him for six months, and after that no recurrence occurred.
authors.affiliation: Department of Medicine, Yokosuka Kyosai Hospital. tkymablackjack@yahoo.co.jp
authors.forename: Satoshi
authors.initials: S
authors.lastname: Takayama
authors.forename: Shinichiro
authors.initials: S
authors.lastname: Tominaga
authors.forename: Yoshikazu
authors.initials: Y
authors.lastname: Tsukada
authors.forename: Minoru
authors.initials: M
authors.lastname: Ohkochi
authors.forename: Naohiko
authors.initials: N
authors.lastname: Inase
mesh_terms: D000368:Aged; D006801:Humans; D008297:Male; D009161:Mycobacterium / Q000302:isolation & purification; D009164:Mycobacterium Infections / Q000382:microbiology*; D014397:Tuberculosis, Pulmonary / Q000382:microbiology*