suggest Bruton's agammaglobulinemia(XLA)(defect in BTK(Bruton's tyrosine kinase))
+☆absent germinal centers
intravenous γ-globulin injection
(absent thymic shadow→☆SCID)
Sinopulmonary infections are most common and are typically caused by encapsulated bacteria (eg, Streptococcus pneumoniae, Haemophilus influenzae type b), which require antibody opsonization for clearance. Patients are also predisposed to chronic enteroviral infection (eg, ★meningoencephalitis)
immunology
pediatrics
UWorld step2CK
Optimized studying based on the forgetting curve vastly improves memorization. - What is reminDO?
Memorize
