File:Chiari II malformation (Radiopaedia 87619-104010 Axial T2 2).jpeg

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Description	Radiopaedia case ID: 87619 Image ID: 54583111 Image stack position: 2/20 Plane projection: Axial Aux modality: T2 Modality: MRI System: Spine Findings: Widely separated bodies of the lateral ventricles appear parallel to each other, with dilated trigons, occipital horns (colpocephaly), and temporal horns of the lateral ventricles. Dilated high riding third ventricle consistent with dysgenesis of the corpus callosum. (On the sagittal views only part of the splenium is present) Cavum septum pellucidum and vergae are seen. Chiari II malformation features are depicted by a small posterior fossa with low attachment of the tentorium. Caudally displaced slit-like fourth ventricle and brain stem, as well tonsillar herniation through an enlarged foramen magnum. The tectum is beaked and hydrocephalus is present. Cervico-medullary kink is also noted. Batwing configuration of the frontal horns pointing inferiorly on coronal view secondary to enlarged caudate nucleus bilaterally. No shift of midline structures or signs of space-occupying mass lesions could be seen.
Date	Published: 13th Mar 2021
Source	https://radiopaedia.org/cases/chiari-ii-malformation-15
Author	Naim Qaqish
Permission (Permission-reusing-text)	http://creativecommons.org/licenses/by-nc-sa/3.0/

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current	14:58, 8 August 2021		512 × 512 (23 KB)	Fæ (talk \| contribs)	Radiopaedia project rID:87619 (batch #7439-2 A2)

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