Legionella micdadei Infection Presenting as Severe Secretory Diarrhea and a Solitary Pulmonary Mass

Medarov, Boris I.; Siddiqui, Anita K.; Mughal, Tahir; Moshiyakhov, Mark; Rossoff, Leonard J.
April 2004
Clinical Infectious Diseases;4/1/2004, Vol. 38 Issue 7, pe63
Academic Journal
Sixty percent of infections with non-pneumophila species of Legionella are caused by Legionella micdadei. Although diarrhea is a common symptom of legionellosis, including that due to L. micdadei infection, severe, life-threatening diarrhea is rare. We describe a patient with profound secretory diarrhea (secretion rate, up to 8 L/day) that was secondary to culture-proven L. micdadei pneumonia. In addition, a 3-cm pulmonary nodule was detected, which completely resolved after proper treatment for Legionella infection. Resolving pulmonary nodules have been previously reported in association with treatment of L. micdadei infections.


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