Neurocristopathies belong to a class of developmental disorders resulting from abnormal migration, differentiation, or death of neural crest cells (NCCs) during embryonic development. This video is about Waardenburg syndrome which is a type of neurocristopathy characterized by hearing loss and pigmentation of the hair, skin, and eyes. Timeline: 00:11 overview 03:14 types of Waardenburg syndrome 05:07 diagnostic criteria 08:40 features 11:34 confirmation of diagnosis 14:04 management 16:20 long-term consideration