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Herniation Syndromes
Compartments
Supratentorial Compartment
Contains the
Cerebral hemispheres
(telencephalon and diencephalon).
Infratentorial Compartment
Contains the
brainstem
and
cerebellum
.
key forms of herniation
Subfalcine
Central
Uncal
Upward cerebellar
Tonsillar herniation (commonly seen in
Chiari Malformation
)
Herniation: By Compartment
Supratentorial compartment:
In
subfalcine herniation
, one cerebral hemisphere herniates underneath the
falx cerebri
.
In
central herniation
(aka transtentorial herniation), the diencephalon herniates directly down through the tentorium cerebelli.
In
uncal herniation
, the medial temporal lobe (the
uncus
) herniates over the
tentorium cerebelli
.
Infratentorial compartment:
In upward cerebellar herniation, the cerebellum herniates upward into the supratentorial cavity.
In tonsillar herniation, the cerebellar tonsils undergo downward herniation through the foramen magnum.
Related Tutorials
Herniations & Hemorrhages