Pulmonary nocardiosis caused by Nocardia concava with a literature review

Tatsuro Hirayama, Takahiro Takazono*, Yoshiro Horai, Masato Tashiro, Tomomi Saijo, Kosuke Kosai, Yoshitomo Morinaga, Shintaro Kurihara, Shigeki Nakamura, Yoshifumi Imamura, Taiga Miyazaki, Misuzu Tsukamoto, Koichi Izumikawa, Katsunori Yanagihara, Atsushi Kawakami, Shigeru Kohno

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

5 Scopus citations

Abstract

A 68-year-old man was admitted to our hospital with anorexia and leg pain. He was diagnosed with ANCA-associated vasculitis through a renal biopsy. Immunosuppression with two courses of steroid pulse therapies and intravenous cyclophosphamide followed by oral prednisolone at 40 mg/day were administered. About one month after starting the immunosuppression therapy, he complained of hemosputum. Chest computed tomography showed a cavitary lesion in the lung. Cultures from his sputum showed Nocardia species, and we were able to identify the species as N. concava using a 16S rRNA gene sequence analysis. Only three detailed reports of N. concava infection have so far been published worldwide.

Original languageEnglish
Pages (from-to)1213-1217
Number of pages5
JournalInternal Medicine
Volume55
Issue number9
DOIs
StatePublished - 2016

Keywords

  • Nocardia concava
  • Pulmonary nocardiosis
  • Review

ASJC Scopus subject areas

  • Internal Medicine

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