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  • Title: HIV-associated lymphocytic interstitial pneumonia: radiologic manifestations and pathologic correlation.
    Author: Oldham SA, Castillo M, Jacobson FL, Mones JM, Saldana MJ.
    Journal: Radiology; 1989 Jan; 170(1 Pt 1):83-7. PubMed ID: 2909125.
    Abstract:
    The authors reviewed chest radiographs of 16 patients with biopsy-proved lymphocytic interstitial pneumonia (LIP) who also had acquired immunodeficiency syndrome (AIDS) or AIDS-related complex (ARC). Radiographs revealed fine reticular or reticulonodular infiltrates in the pulmonary interstitium in five patients, coarse reticulonodular infiltrates in two, and reticular or reticulonodular opacities with superimposed patchy alveolar infiltrates in nine. Pathologic examination of biopsy specimens revealed lymphocytes, plasma cells, and reticulum cells aggregated about the small arteries and compressing the distal airways. Throughout the course of AIDS or ARC, the radiographic findings of LIP remained stable in 12 of 16 patients. AIDS/ARC-related LIP appears to be a benign reaction of bronchial-associated lymphatic tissue to the human immunodeficiency virus (HIV). However, this indolent process cannot be correctly diagnosed based on radiographic findings alone; the use of lung biopsy is required to differentiate LIP from other infections. The authors suggest that patients with these radiographic findings, HIV seropositivity, but no other signs of opportunistic infection or neoplasia should be classified as having AIDS.
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