How is lymphoid interstitial pneumonitis (LIP) characterized on chest radiography in pediatric HIV infection/AIDS?

Updated: Mar 05, 2020
  • Author: Delia M Rivera, MD; Chief Editor: Russell W Steele, MD  more...
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Lymphoid interstitial pneumonitis (LIP) is the second most common AIDS-defining illness in children. LIP most commonly occurs in children with a relatively high CD4+ count. Chest radiography demonstrates a reticulonodular pattern with or without hilar adenopathy that persists for more than 2 months despite treatment.

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