Wk 4, Case 36 - Review

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INDICATION: Pseudotumor cerebri
COMPARISON: MRI brain 3/30/2019
TECHNIQUE: Axial computed tomographic images of head were obtained after the administration of intravenous contrast, using approximately 70 mL of Omnipaque 350.
FINDINGS:
CTA HEAD: The anterior and middle cerebral arteries are patent. There is a normal anterior communicating artery. The basilar artery is patent. There is a near complete fetal origin of the left posterior cerebral artery. The posterior cerebral arteries are patent. No intracranial arterial aneurysm. No abnormally enhancing parenchyma or mass seen.
CTV HEAD: The superior and inferior sagittal sinuses are patent. The straight sinus and confluence sinuses are patent. There is focal narrowing of the right lateral transverse sinus, which remains patent. The left transverse sinus is congenitally hypoplastic. Contrast opacification is seen within the proximal jugular veins bilaterally.
IMPRESSION:
1. Focal narrowing of the right lateral transverse sinus, which can be seen in the setting of idiopathic intracranial hypertension. Congenitally hypoplastic left transverse sinus.
2. Patent intracranial arterial vasculature. No intracranial arterial aneurysm.

Faculty

David M Yousem, MD, MBA

Professor of Radiology, Vice Chairman and Associate Dean

Johns Hopkins University

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Wk 4, Case 36 - Review