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Pneumocystis Pneumonia: The radiology of an AIDS- defining illness

Pneumocystis Pneumonia: The radiology of an AIDS- defining illness

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Jennifer Stevens, MS3<br />

Gilli<strong>an</strong> Lieberm<strong>an</strong>, MD<br />

CT features <strong>of</strong> PCP PNA<br />

November 2005<br />

• Exudative alveolitis w/ accumulation <strong>of</strong><br />

fluid, org<strong>an</strong>isms, fibrin, debris in alveolar<br />

spaces ground glass opacity<br />

• Mosaic distribution with normal lung<br />

adjacent to diseased lung<br />

• Interlobular reticulation w/ septal infiltration<br />

by mononuclear cells <strong>an</strong>d edema<br />

18

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