By Gary M. White, MD

Wiskott-Aldrich Syndrome (WAS) is X-linked disorder characterized by eczema, recurrent infections and a bleeding tendency.

Example presentations

A 4-month-old boy presented along with his twin brother due to a persistent thrombocytopenia complicated with mucosal bleeding and skin petechiae. Both twins presented with thrombocytopenia on 1st day of life with normal findings on the initial physical examination. [Indian Pediatrics 2014;51;1016]

A 1 year old boy was referred to dermatology for persistent "eczema". He had a history of milk allergy, bacterial endocarditis after placement of an intravenous catheter, otitis media from Pseudomonas aeruginosa and recurrent bronchitis. As he is followed in dermatology, he is noted to experience language delay, failure to thrive and other recurrent infections. Lab studies showed thrombocytopenia. [Adapted from Arch Argent Pediatr 2015;113(3):e137-e139]


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