Fact sheets Lupus Acromegaly Immune thrombocytopenic purpura Primary biliary cholangitis Autosomal dominant polycystic kidney disease Castleman disease Fabry disease Chronic inflammatory demyelinating polyneuropathy Cushing syndrome Bullous pemphigoid See more Pendred syndrome on the forum What is the most frustrating or difficult... What is your hearing loss story? See the forum Pendred syndrome