WebIt is a good marker of the shift of the cingulate gyrus (which is the structure that herniates under the falx in a subfalcine herniation). To find the uncus, locate the coronal slice … Uncal herniation occurs secondary to large mass effect (that can occur from traumatic or non-traumatic hemorrhage, malignancy, etc.) that will lead to increased intracranial pressure and herniation. Masses are typically supratentorial. Radiographic features. Uncal herniation can be suggested on CT, … See more Uncal herniation can be suggested on CT, however, MRI is the gold standard. Features ofunilateral descending tentorial herniation include: 1. medial displacement of the uncus and parahippocampal gyrus of the temporal lobe … See more In uncal herniation, the uncus and the adjacent part of the temporal lobe glide downward across the tentorial incisura compressing the brainstem and the posterior cerebral arteries in the ambient cistern. Uncal … See more Uncal herniation carries a bad prognosis due to the direct compression of the vital midbrain centers. They often require emergency neurosurgical decompression. Initial management of … See more
Contralateral pupillary dilatation and hemiparesis: Kernohan’s …
WebLarge left sided acute subdural hematoma (predominantly over the cerebral convexity but with some extension over the falx and tentorium) producing marked midline shift to the … Web14 Jan 2024 · This can be further divided according to whether the herniation is predominantly anterior (uncal herniation), which is most common, or posterior (posterior parahippocampal gyrus and anterior part of the lingual gyrus ) 2. Anterior and posterior herniation can occur separately or together 2-4. Central herniation bust crop top
Perfect cases - brain and spinal cord - radiopaedia.org
WebJL Neuro first years. Playlist contributed by Jacqueline Lubomski. Play. Web17 Nov 2024 · Intracranial mass lesions can lead to transtentorial uncal herniation, and pupillary asymmetry is a well-recognized sign of impending cerebral herniation. Impending uncal herniation can lead to ipsilateral, bilateral, or uncommonly the contralateral pupillary dilatation. We report a case of a 22-year old, who had contralateral pupillary dilatation due … Web20 Jan 2015 · In book: Radiopaedia.org; Authors: Yahya Baba. Yahya Baba. ... We present a rare case of uncal herniation in a 60-year-old lady caused by a giant left temporal arachnoid cyst. She presented to us ... ccdhb website