Samreen Kulsom Zaidi, Sonia Qureshi, Farah Naz Qamar.
X-linked agammaglobulinemia - first case with Bruton tyrosine kinase mutation from Pakistan.
J Pak Med Assoc Jan ;67(3):471-3.

X-linked agammaglobulinemia (XLA) is a primary immunodeficiency with more than 600 mutations in Bruton tyrosine kinase (Bkt) gene which are responsible for early-onset agammaglobulinemia and repeated infections. Herein we present a case of a 3-year-old boy with history of repeated diarrhoea and an episode of meningoencephalitis with hemiplegia. The workup showed extremely low levels of immunoglobulin with low CD+19 cells. Genetic analysis showed Btk mutation 18 c.1883delCp.T628fs. To the best of our knowledge this is the first report of a case of XLA confirmed by molecular technique from Pakistan.

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