case_images: PMC3463835_01
case_images: Normal sagittal view of the patient's cranial MRI at initial diagnosis of pseudotumor cerebri
case_images: SNI-3-101-g001.jpg
case_images: PMC3463835_01_SNI-3-101-g001.jpg
case_images: F1
case_images: Serial lumbar punctures revealed elevated opening pressures consistent with idiopathic intracranial hypertension, i.e. pseudotumor cerebri [Figure 1].
case_images: Sagittal cervical MRI of the same patient 10 years post lumboperitoneal shunting demonstrating a new "acquired" Chiari malformation and cervical syrinx
case_images: SNI-3-101-g002.jpg
case_images: PMC3463835_01_SNI-3-101-g002.jpg
case_images: F2
case_images: Repeat MRI of the head and cervical spine demonstrated an acquired Chiari I malformation with cerebellar tonsillar ectopia extending 16 mm below the foramen magnum, and a cervical syrinx from C2 extending to the T8 level [Figure 2].
case_images: Sagittal cervical MRI 6 months after ligation of the lumbar shunt, placement of a ventricular shunt, and suboccipital decompression with resolution of the syrinx and Chiari malformation
case_images: SNI-3-101-g003.jpg
case_images: PMC3463835_01_SNI-3-101-g003.jpg
case_images: F3
case_images: A follow-up MRI done 6 months postoperatively revealed a complete resolution of both the Chiari malformation and the syrinx [Figure 3].