A 6-month-old baby has suffered from recurrent bacterial infections.Flow cytometry results indicate a lack of B cells but the presence of normally functioning T cells.Which is the most likely diagnosis?

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Quizplus · Accepted Answer

Bruton's tyrosine kinase deficiency, also known as X-linked agammaglobulinemia, is characterized by a lack of B cells and recurrent bacterial infections, with normal T cell function.

A 6-Month-Old Baby Has Suffered from Recurrent Bacterial Infections