Catalog

Cerebellar tonsillar herniation

No MMS code

Link to WHO Definition

Cerebellar tonsillar herniation – http://id.who.int/icd/entity/1058156375

Tonsillar herniation refers to mass effect from above shifting the pontomedullary junction down through the foramen magnum. With impaction of the cerebellar tonsils therein, the medulla is compressed, resulting in dysregulation, and then collapse of respiratory and cardiovascular systems.