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A complication of an uncal herniation is a Duret hemorrhage.
"Immediate cause of death appears to have been uncal herniation-" "Uncle who?"
From some uncal- culable system not yet discovered, Hippocrates was about as much affected by these powerful rays as a piece of lead.
See uncal herniation for a common subtype of a tentorial herniation.
Uncal herniation may advance to central herniation.
The most feared event that takes place is the transtentorial, or uncal herniation which results in respiratory arrest since the medullary structures are compromised.
Usually occurring in addition to uncal herniation, cingulate herniation may present with abnormal posturing and coma.
Elevated intracranial pressure may result in uncal and/or cerebellar tonsill herniation, with resulting life-threatening brain stem compression.
Another dire consequence of increased ICP combined with a space-occupying process is brain herniation (usually uncal or tonsilar).
In uncal herniation, the uncus hippocampus becomes compressed against the free edge of the tentorium cerebelli, frequently leading to brainstem compression.
This may succeed or accompany temporal lobe (uncal) herniation and subfalcian herniation secondary to a supratentorial mass.
Kernohan's notch is a cerebral peduncle indentation associated with some forms of transtentorial herniation (uncal herniation).
Progression from decorticate posturing to decerebrate posturing is often indicative of uncal (transtentorial) or tonsilar brain herniation.
Biot's respiration is caused by damage to the medulla oblongata due to strokes or trauma or by pressure on the medulla due to uncal or tentorial herniation.
The part of the olfactory cortex that is on the temporal lobe covers the area of the uncus, which leads into the two significant clinical aspects of the uncus: uncinate fits and uncal herniations.
Some of the causes of anisocoria are life threatening, including Horner's syndrome (which may be due to carotid dissection) and Oculomotor nerve palsy (due to an brain aneurysm, uncal herniation, or head trauma).
In uncal herniation, a common subtype of transtentorial herniation, the innermost part of the temporal lobe, the uncus, can be squeezed so much that it moves towards the tentorium and puts pressure on the brainstem, most notably the midbrain.
The increase of blood and brain volume within the skull causes a rapid and severe increase in intracranial pressure, which can in turn cause uncal and cerebellar brain herniation, a disastrous and potentially fatal condition in which the brain is squeezed past structures within the skull.