[Two cases of Corynebacterium pseudodiphtheriticum respiratory tract infection].
Corynebacterium pseudodiphtheriticum, one cause of respiratory tract infection, is rarely considered as a pathogen because it is among normal bacterial flora colonizing the oral cavity. We report two cases of C. pseudodiphtheriticum causing respiratory tract infection--an exacerbation of chronic obstructive pulmonary disease and pneumonia--, both in the presence of underlying respiratory disease. Both required antibiotics after first-line chemotherapy failed. Isolates were susceptible to beta-lactams. Gram-staining of respiratory tract specimens is important in diagnosing this infection and determining appropriate antimicrobial use.
Morinaga
Yoshitomo
Y
Department of Laboratory Medicine, Nagasaki University Graduate School of Biomedical Sciences.
Yanagihara
Katsunori
K
Yamada
Koichi
K
Nakamura
Shigeki
S
Izumikawa
Koichi
K
Seki
Masafumi
M
Kakeya
Hiroshi
H
Yamamoto
Yoshihiro
Y
Inoue
Yuichi
Y
Kamihira
Shimeru
S
Kohno
Shigeru
S
D000368:Aged; D000369:Aged, 80 and over; D003354:Corynebacterium Infections; D005260:Female; D006801:Humans; D008297:Male; D011014:Pneumonia / Q000150:complications; D029424:Pulmonary Disease, Chronic Obstructive / Q000150:complications; D012141:Respiratory Tract Infections