🧬 Lymphopenia (Chapter 171)

Nelson Textbook of Pediatrics 22nd Edition — Age-based definitions (infants: ALC <3000/µL; older children: <1000/µL), causes: SCID, 22q11.2 deletion, HIV, corticosteroids, protein-losing enteropathy, idiopathic CD4 lymphopenia, TREC newborn screening

🌐 paeds.online — Pakistan's Pediatric Platform

📋 30 High‑Yield Clinical Scenarios — Lymphopenia (Age‑Based, FCPS Standard)

📇 High‑Yield Review Cards — Lymphopenia

🩺 Symptom‑Based Approach: Recognizing Lymphopenia

Tap any presentation for diagnostic reasoning and management pearls.

🔄 Stepwise Diagnostic & Management Algorithm for Lymphopenia

    ⚡ Clinical Reflex Prompts — Lymphopenia

    📖 Concise Summary: Lymphopenia