This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Primary Immunodeficiency, Subject name: Pediatrics
Which of the following is not found in DiGeorge's syndrome? 
Select and explain. 
A. Tetany, B. Eczema, C. Mucocutaneous candidiasis, D. Absence of T cells
B: Eczema
Answer: B: Eczema 
Explanation: Disease Primary defect Secondary defect DiGeorge Syndrome (Thymic Hypoplasia) 22q11 deletion Failure of development of 3rd & 4th pharyngeal pouches T-cell defect Tetany Congenital defects of hea and great vessels Mucocutaneous candidiasis