Pulmonary Langerhans cell histiocytosis is a rare interstitial lung disease characteristically affecting middle-aged smokers. It has unpredictable clinical course and may be associated with malignant neoplasms. Opportunistic lung infections are frequently considered when patients with Human immunodeficiency virus (HIV) infection present with respiratory symptoms and an abnormal chest X-ray. Though fiberoptic bronchoscopy with bronchoalveolar lavage is diagnostic for infectious etiologies, surgical lung biopsies are preferred to diagnose noninfectious lung diseases and to help guide appropriate therapy. In the present study, we report a case of progressive bilateral lung infiltrates in a smoker with HIV infection which presented a diagnostic dilemma in view of coexistent HIV infection. Analysis of clinical symptomatology aided by surgical lung biopsy helped in diagnosis.
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| http://dx.doi.org/10.4103/0970-2113.83978 | DOI Listing |
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