We describe herein the clinical features, diagnosis, and successful treatment of two patients with Legionella micdadei pneumonia, the Pittsburgh pneumonia agent. The rapid pulmonary cavitation and relapse of symptoms after a course of therapy in a renal transplant recipient, and the prolonged illness with hemorrhagic pleural fluid, splenomegaly, and multipleorgan dysfunction in a nonimmunocompromised host, illustrate the clinical spectrum of infections with this organism.
Mehta P, Patel JD, Milder JE. Legionella micdadei (Pittsburgh Pneumonia Agent): Two Infections With Unusual Clinical Features. JAMA. 1983;249(12):1620–1623. doi:10.1001/jama.1983.03330360060038
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