Multiple Choice
A 2-week-old girl is evaluated by a specialist because her physical appearance is abnormal.She has been hospitalized since birth.Her CD3 level is reported as 15% (normal values: 60%-80%) .Her CD4 is 10% (normal values: 30%-65%) .Her CD8 is 5% (normal values: 10%-40%) ,and her CD19 is 84% (normal values: 5%-20%) .Serum immunoglobulin levels are normal.Karyotyping reveals a deletion on chromosome 22.These laboratory results support a diagnosis of:
A) Bruton's tyrosine kinase deficiency.
B) Wiskott-Aldrich syndrome.
C) DiGeorge anomaly.
D) ataxia telangiectasia.
Correct Answer:
Verified
Correct Answer:
Verified
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