Extensive blaschkoid hypopigmentation in a girl with MED12‐related disorder

Abstract MED12‐ related disorders represent a spectrum of rare neurodevelopmental disorders causing intellectual disability, dysmorphic features, and other systemic abnormalities. We report a case of a 21‐month‐old girl with extensive hypopigmentation following Blaschko lines attributed to underlying MED12 ‐related disorder.