PMID: 2788560Sep 1, 1989Paper

Miliary PCP in AIDS

L S WasserW Talavera


The most frequent radiographic presentation of (PCP) is bilateral interstitial or alveolar infiltrates. Atypical features include lobar distribution, pleural effusions, hilar adenopathy, cyst formation and spontaneous pneumothorax. A diffuse miliary pattern has not been described previously for PCP. A 30-year-old male intravenous drug abuser, with AIDS, presented to our institution complaining of fever and productive cough. Admission chest x-ray film revealed a "classic" miliary pattern. Sputum smears were negative for acid-fast bacilli and both bronchoalveolar lavage and transbronchial biopsy revealed only PCP. Repeat bronchoscopy one month later was unrevealing and marked x-ray resolution occurred after treatment with pentamidine alone. The incidence of atypical roentgenographic features of PCP in AIDS is approximately 10 percent. Given the frequency of this infection in AIDS, knowledge of the unusual presentations is imperative. Based on this report, PCP must be included in the differential diagnosis of a miliary x-ray pattern.


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