Chiari Malformation MRI Scan Images

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MRI of the brain showing a typical Chiari 1 malformation. The white line represents the bottom of the foramen magnum from which the position of the tonsil is generally measured. There is a small syrinx within the spinal cord

13)	MRI of the brain showing a typical Chiari 1 malformation. The white line represents the bottom of the foramen magnum from which the position of the tonsil is generally measured. There is a small syrinx within the spinal cord

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 MRI scan showing a prominent Chiari 1 malformation.   

MRI scan showing a prominent Chiari 1 malformation.

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MRI scan of the brain-cross section view of the foramen magnum. The black dots represent the arteries that may contribute to the compression of the brain stem. The brain stem is in the center of the foramen magnum and the tonsils are visible in the back half of the foramen magnum. The brain stem should be a circular shape but in this case is it is distorted by compression.

14)	MRI scan of the brain-cross section view of the foramen magnum. The black dots represent the arteries that may contribute to the compression of the brain stem. The brain stem is in the center of the foramen magnum and the tonsils are visible in the back half of the foramen magnum. The brain stem should be a circular shape but in this case is it is distorted by compression.

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Four images showing a  3D view of the structures in the foramen magnum of a patient with a Chiari 1 malformation. These views allow us to examine the brain stem and surrounding structures from different perspectives. In this way, we can recognize compression that might go unnoticed on a routine MRI view. The orientation of the man corresponds to the orientation of the view.

 Four images showing a  3D view of the structures in the foramen magnum of a patient with a Chiari 1 malformation. These views allow us to examine the brain stem and surrounding structures from different perspectives. In this way, we can recognize compression that might go unnoticed on a routine MRI view. The orientation of the man corresponds to the orientation of the view.  Four images showing a  3D view of the structures in the foramen magnum of a patient with a Chiari 1 malformation. These views allow us to examine the brain stem and surrounding structures from different perspectives. In this way, we can recognize compression that might go unnoticed on a routine MRI view. The orientation of the man corresponds to the orientation of the view.
 Four images showing a  3D view of the structures in the foramen magnum of a patient with a Chiari 1 malformation. These views allow us to examine the brain stem and surrounding structures from different perspectives. In this way, we can recognize compression that might go unnoticed on a routine MRI view. The orientation of the man corresponds to the orientation of the view.  Four images showing a  3D view of the structures in the foramen magnum of a patient with a Chiari 1 malformation. These views allow us to examine the brain stem and surrounding structures from different perspectives. In this way, we can recognize compression that might go unnoticed on a routine MRI view. The orientation of the man corresponds to the orientation of the view.

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Ultrasound view taken at surgery in a patient with a Chiari 1 malformation. A large vertebral artery can be seen to impinge upon the brain stem.

 Ultrasound view taken at surgery in a patient with a Chiari 1 malformation. A large vertebral artery can be seen to impinge upon the brain stem.  Ultrasound view taken at surgery in a patient with a Chiari 1 malformation. A large vertebral artery can be seen to impinge upon the brain stem.

 

 

 

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