Catalog

Medial temporal transtentorial herniation

No MMS code

Link to WHO Definition

Medial temporal transtentorial herniation – http://id.who.int/icd/entity/615367623

Uncal herniation refers to herniation of the medial temporal lobe (uncus) past the edge of the tentorium and downward, impacting on cranial nerve III and the brainstem. It is caused by swelling or mass effect in the temporal lobe or temporoparietal junction.