File:Acute lymphoblastic leukemia with optic pathway involvement (Radiopaedia 64799-81020 Sagittal T1 23).jpg

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Description	Radiopaedia case ID: 64799 Image ID: 51507547 Image stack position: 23/24 Plane projection: Sagittal Aux modality: T1 Study findings: Patient still under oral chemotherapy. Follow-up MRI performed 9 months later shows diffuse thickening of both optic nerves more pronounced on the left with perineural enhancement and intraconal fat infiltration. There is a lobulated opto-chiasmatic mass isointense to the gray matter on both T1WI/T2WI with relatively homogeneous enhancement on postcontrast sequences, compressing the 3rd ventricle with mild dilatation of the lateral ventricles with periventricular interstitial edema (obstructive hydrocephalus). Reduced volume of the left globe, with progression of the vitreous hemorrhage extending to the anterior segment with internal septation. Modality: MRI System: Haematology Findings: Left proptosis (axial grade I) with retinal hemorrhage of high signal intensity on T1WI and FLAIR, and low signal intensity on T2WI and GE with no significant enhancement seen on post-contrast sequences. Diffuse thickening of the left optic nerve with perineural enhancement and intraconal fat infiltration. The right orbit as well as the optic chiasma appear normal.
Date	Published: 9th Sep 2019
Source	https://radiopaedia.org/cases/acute-lymphoblastic-leukaemia-with-optic-pathway-involvement
Author	Dr Ammar Haouimi
Permission (Permission-reusing-text)	http://creativecommons.org/licenses/by-nc-sa/3.0/

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current	14:43, 13 April 2021		520 × 448 (45 KB)	Fæ (talk \| contribs)	Radiopaedia project rID:64799 (batch #905-23 A23)

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