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Waardenburg syndrome (WS) is a rare genetic disorder. It is caused by multiple mutations affecting the melanocytes, leading to a multitude of skin, hair, and eye symptoms. It is an autosomal dominant disease with four subtypes, each presenting with varying degrees of sensorineural hearing loss along with a constellation of other symptoms. Hirschsprung disease is unique to Waardenburg-Shah syndrome subtype 4 and is not associated with any other subtype. We present a case of this subtype 4 that presented with a bilateral sensorineural hearing loss, mutism, delayed milestones, white forelock, Hirschsprung disease, and bilateral blue homochromatic irises, a finding which is not typical for this subtype. This is the first case of WS with homochromatic irises and the fourth case to be reported from Pakistan.

A Case of Waardenburg-Shah Syndrome Type 4 Presenting with Bilateral Homochromatic Blue Irises from Pakistan