PAUL M. ARNOW, M.D.; EDWARD J. BOYKO, M.D.; ELIOT L. FRIEDMAN, M.D.
Legionella pneumophila is primarily a pulmonary pathogen that rarely causes infection at other sites. Clinically apparent extrapulmonary lesions have been described in only three patients with Legionnaires' disease and have involved hemodialysis fistula or kidney (1, 2). One additional patient had histologic evidence of focal myocarditis at autopsy (3). We report a patient with a perirectal abscess from which L. pneumophila was isolated. This is the first patient in whom mixed infection of L. pneumophila with anaerobic bacteria has been described.
A 46-year-old woman, hospitalized with idiopathic diffuse proliferative glomerulonephritis, began receiving high-dose corticosteroid therapy on the fifth hospital day.
ARNOW PM, BOYKO EJ, FRIEDMAN EL. Perirectal Abscess Caused by Legionella pneumophila and Mixed Anaerobic Bacteria. Ann Intern Med. ;98:184–185. doi: 10.7326/0003-4819-98-2-184
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Published: Ann Intern Med. 1983;98(2):184-185.
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