| Summary: | The Dedicator of cytokinesis 8 (DOCK8) related combined immune deficiency is a recently discovered entity which differs from the classic STAT3 associated autosomal dominant hyper-IgE syndrome with respect to the genetic origin and the clinical manifestations. It is characterised by increased risk of autoimmunity, malignancy and neurological complications in addition to increased risk of recurrent cutaneous, sinopulmonary and gastrointestinal infections. We report a series 11 children from three families suffering from DOCK8 related combined immunodeficiency. Out of 11 children only 5 were alive at diagnosis and rest 6 were siblings who had died of similar complaints. Among the 5 children only one underwent allogeneic haploidentical stem cell transplant (SCT) from his mother but died before engraftment due to infection. Other 4 are alive without SCT but have multiple co-morbidities. A constellation of cutaneous lesions, recurrent sinopulmonary & gastro intestinal infections and allergic manifestations in a child who may have a similar family history should arouse a suspicion of combined immunodeficiency associated with DOCK8 mutation. Early diagnosis in such children can expedite the appropriate management with SCT. Keywords: Combined immunodeficiency, DOCK8, Children
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