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  • Title: Isolated lymphadenopathy on chest radiographs of HIV-infected patients.
    Author: Haramati LB, Choi Y, Widrow CA, Austin JH.
    Journal: Clin Radiol; 1996 May; 51(5):345-9. PubMed ID: 8641098.
    Abstract:
    AIM: To determine the aetiology of isolated intrathoracic lymphadenopathy on chest radiographs of HIV-infected patients. PATIENTS AND METHODS: Over a 40 month span in 1990-1993, 18 HIV-infected patients (13 men, 5 women) from our New York City adult HIV outpatient clinic development isolated intrathoracic lymphadenopathy (defined as intrathoracic nodal enlargement without other persistent abnormalities on chest radiographs). Serial chest radiographs (n = 18), CT scans when available (n = 7), and clinical charts (n = 18) were reviewed retrospectively. RESULTS: Median patient age was 34 (range 25-49) years. The diagnoses associated with adenopathy were Mycobacterium tuberculosis (Mtb) in eight (44%), Mycobacterium avium intracellulare complex (MAC) in four (22%), and Mtb and MAC co-infection in three (17%). Cryptococcal infection, thymic hyperplasia, and spontaneous resolution without diagnosis or treatment occurred in one patient each. In 16 (89%) of the 18 patients, lymphadenopathy was present in more than one nodal station. Enlarged nodes were found in the following sites: paratracheal/tracheobronchial (n = 14), aortopulmonary window (n = 9), hilar (n = 7), anterior mediastinum (n = 3), subcarinal (n = 2), and left paraesophageal (n = 2). CONCLUSION: Mycobacterial infection was the aetiology of isolated intrathoracic lymphadenopathy in 15 of 18 (83%) HIV-infected patients. When an inner city HIV-infected patient presents with isolated intrathoracic lymphadenopathy, we recommend an aggressive work-up for mycobacterial disease.
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