Johanson–Blizzard syndrome
（重定向自Johanson Blizzard syndrome）
![](/Images/godic/202501/21/Illu_pancrease1123.jpg")
![Johanson-Blizzard syndrome has an autosomal recessive pattern of inheritance.](/Images/godic/202501/21/Autosomal_recessive_-_en.svg1123.png")
Johanson–Blizzard syndrome (JBS) is a rare, sometimes fatal autosomal recessive multisystem congenital disorder featuring abnormal development of the pancreas, nose and scalp, with mental retardation, hearing loss and growth failure. It is sometimes described as a form of ectodermal dysplasia.