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brainherniation [2026/06/05 14:51] scottbrainherniation [2026/06/11 00:11] (current) scott
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 ===Tonsillar Herniation=== ===Tonsillar Herniation===
  
-Tonsillar herniation is an important finding that should be communicated to the clinician quickly, When the cerebellum protrudes through the foramen magnum, the brainstem is compressed, which controls respiration and heart rate. If noticed during a scan, some form of treatment may be initiated during the scan such as hypertonic saline or mannitol. Tonsillar herniation can be best seen on a **midline sagittal T2 weighted FSE.**+Tonsillar herniation is an important finding that should be communicated to the clinician quickly, When the cerebellum protrudes through the foramen magnum, the brainstem is compressed, which controls respiration and heart rate. If noticed during a scan, some form of treatment may be initiated during the scan such as hypertonic saline or mannitol. Tonsillar herniation can be best seen on a  
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 +====Important Sequences for Identifying Tonsillar Herniation==== 
 + 
 +  Midline sagittal T2 weighted FSE 
 +  Sagittal 3D fluid sensitive sequences
  
 {{::brainherniate.png?600|}} {{::brainherniate.png?600|}}