Presentation
Fever in HIV patient.
Patient Data
Age: 40 years
Gender: Male
From the case:
Lymphocytic interstitial pneumonitis
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Pulmonary trunk is dilated (35 mm) and so are main pulmonary arteries.
Case Discussion
Given a history of HIV and the appearance of pulmonary cysts of varying sizes, the most probable diagnosis is lymphocytic interstitial pneumonitis (LIP).