Three cases of pneumocystis pneumonia in rheumatoid arthritis patients

Kohei Miyake, Ken Senoo, Kiithiro Ninomiya, Tomoki Tamura, Toshio Kubo, Toshiaki Okada, Shingo Harita

Research output: Contribution to journalArticlepeer-review


This report describes three cases of Pneumocystis pneumonia (PCP) in rheumatoid arthritis (RA) patients. In all cases, the patients received methotrexate and steroids as anti-rheumatoid drugs. Radiographic findings showed diffuse ground-glass opacities within the lungs. All three patients received trimethoprim/sulfamethoxazole therapy for the PCP. Two patients recovered and were discharged, and the third patient died. PCP in RA patients is difficult to diagnose at an early stage. After evaluating the risk of PCP, it is clear that initial therapy for PCP is necessary with the administration of anti-rheumatoid drugs.

Original languageEnglish
Pages (from-to)83-90
Number of pages8
JournalJapanese Journal of Chest Diseases
Issue number1
Publication statusPublished - Jan 2014
Externally publishedYes


  • Methotrexate
  • Pneumocystis jirovecii pneumonia
  • Rheumatoid arthritis
  • Steroid
  • β-D-glucan

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine


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