case_images: PMC5903160_01
case_images: a Sagittal T1 MRI brain prior to neurological deterioration. b Repeat MRI brain following neurological deterioration demonstrating new tonsillar herniation.
case_images: crn-0010-0095-g01.jpg
case_images: PMC5903160_01_crn-0010-0095-g01.jpg
case_images: F1
case_images: An urgent MRI brain demonstrated evidence of tonsillar herniation and coning which was not present on her previous cranial imaging (Fig. 1).
case_images: Axial T2 MRI brain before (a) and after (b) foramen magnum decompression and C1 laminectomy.
case_images: crn-0010-0095-g02.jpg
case_images: PMC5903160_01_crn-0010-0095-g02.jpg
case_images: F2
case_images: Postoperative MRI demonstrated satisfactory decompression of the foramen magnum (Fig. 2).