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