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Treatment involves removal of the etiologic mass and decompressive craniectomy. Brain herniation can cause severe disability or death. In fact, when herniation is visible on a CT scan, the prognosis for a meaningful recovery of neurological function is poor. [2]
Kernohan's notch is a cerebral peduncle indentation associated with some forms of transtentorial herniation (uncal herniation). [1] [2] It is a secondary condition caused by a primary injury on the opposite hemisphere of the brain. [3]
Elderly adults with normal pressure hydrocephalus ... (uncal or tonsillar herniation), ... For adults over 65 years of age, 175 in 100,000 cases is estimated. ...
Abnormal posturing is an involuntary flexion or extension of the arms and legs, indicating severe brain injury.It occurs when one set of muscles becomes incapacitated while the opposing set is not, and an external stimulus such as pain causes the working set of muscles to contract. [1]
Rationale: lumbar puncture in the presence of raised ICP may cause uncal herniation; Exception: therapeutic use of lumbar puncture to reduce ICP, but only if obstruction (for example in the third ventricle of the brain) has been ruled out; Precaution CT brain, especially in the following situations Age >65; Reduced GCS; Recent history of seizure
Types of brain herniation [21] 1) Uncal 2) Central - The brainstem herniates caudally. 3) Cingulate herniation - The brain squeezes under the falx cerebri . 4) Transcalvarial herniation - through a skull fracture 5) Upward herniation of the cerebellum 6) Tonsillar herniation - the cerebellar tonsils herniate through the foramen magnum.
This is called herniation and will often cause an enlarged pupil on the affected side, due to pressure on the oculomotor nerve. Tentorial herniation is a serious symptom, especially since the brainstem is likely to be compressed as well if the intracranial pressure rises further. A common type of herniation is uncal herniation.
Brain herniation#Uncal herniation To a section : This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a page, use {{ R to anchor }} instead .
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