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Pleuropulmonary Infections Caused by Group C Streptococcus: Report of 2 Cases and Review of the Literature

Myers, Joseph P. MD

Infectious Diseases in Clinical Practice: March 2011 - Volume 19 - Issue 2 - p 88-95
doi: 10.1097/IPC.0b013e3181df0d9f
Review Articles

Lancefield group C Streptococcus is an uncommonly reported etiologic agent for pleuropulmonary infection. This report details the case histories of 2 patients with pleuropulmonary infection due to group C Streptococcus. Case 1 is that of a healthy 25-year-old man who presented to the hospital with severe pleuritic chest pain and a cough productive of yellow sputum. Group C Streptococcus was isolated in pure culture from a sputum culture whose Gram-stained smear confirmed gram-positive cocci in chains as the predominant organism. He had cavitary pulmonary infiltrates on computerized scanning of his chest and responded rapidly to appropriate antimicrobial therapy. Case 2 is that of a relatively healthy 75-year-old woman who also presented to the hospital with pleuritic chest pain but with nonproductive cough. Group C Streptococcus was isolated from both sets of admission blood cultures, and she responded rapidly and completely to appropriate antimicrobial therapy. Neither patient required tube thoracostomy or surgical intervention. These 2 cases and all previously reported cases of Lancefield group C streptococcal pleuropulmonary disease are reviewed herein.

From the Infectious Disease Division, Department of Medicine, Summa Health System, Akron; and Infectious Disease Section, Department of Internal Medicine, Northeastern Ohio Universities College of Medicine, Rootstown, OH.

Reprints: Joseph P. Myers, MD, Summa Health System, 55 Arch St, Ste 1A, Akron, OH 44304. E-mail:

The authors have no funding or conflicts of interest to disclose.

© 2011 Lippincott Williams & Wilkins, Inc.