Case of the Week
Section Editors: Matylda Machnowska1 and Anvita Pauranik2
1University of Toronto, Toronto, Ontario, Canada
2BC Children's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
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January 16, 2014
(Idiopathic) Foramen of Monro Stenosis/Atresia
- Idiopathic foramen of Monro stenosis is rare.
- Some common etiologies include infection, neoplastic, vascular, and congenital causes.
- In the current case, no mass lesion, no abnormal enhancement, and no abnormal focal lesion could be identified.
- Clinical Presentation: Headache, change in mental status
- Key Diagnostic Features: Symmetric dilatation of the lateral ventricles. Normal appearing 3rd and 4th ventricles. No imaging evidence of any obstructing lesion at the foramen of Monro.
- Rx: Foraminoplasty, septostomy, VP shunt surgery
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