There are four general types. The most common are designated as Chiari malformation type I and type II. Chiari malformation type I is generally diagnosed because of symptoms in late childhood or ...

Around one in 1000 people have a chiari malformation, where the lower part of the brain pushes through the skull into the spinal canal. The problem varies in severity, but in some cases ...

Budd–Chiari syndrome (BCS ... 1 and occurs in 1/100,000 of the general population worldwide. 2 The most common presentation is with ascites, but can range from fulminant hepatic failure ...