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Table 2: Neuroimaging abnormalities associated with developmental venous anomalies
MRI Abnormalities Neonatal Period^{^a} (n = 15) Last Follow-Up^{^a} (n = 10)
WM T2 signal abnormalities 7 Reduced 2/5
Stable 1/5
Complete regression, 2/5
Restricted diffusion foci 4 Total regression, 2/2
Hemorrhagic foci 8 Gliosis with or without hemosiderin deposits, 3/3
Multiple CCM 2^{^b} Stable, 1/2
Growth, 1/2
PMG 2 Stable, 2/2
Calcifications 2 Stable, 2/2
Triventricular hydrocephalus 1 Resolution, 1/1^c
Draining venous varix thrombosis 1 Recanalization, 1/1
Note:—PMG indicates polymicrogyria.
↵a Some patients presented with ≥1 DVA-related complication.
↵b Includes 1 neonate with cerebrofacial venous metameric syndrome.
c Postendoscopic third ventriculostomy.

MRI Abnormalities	Neonatal Period^{^a} (n = 15)	Last Follow-Up^{^a} (n = 10)
WM T2 signal abnormalities	7	Reduced 2/5
		Stable 1/5
		Complete regression, 2/5
Restricted diffusion foci	4	Total regression, 2/2
Hemorrhagic foci	8	Gliosis with or without hemosiderin deposits, 3/3
Multiple CCM	2^{^b}	Stable, 1/2
Multiple CCM	2^{^b}	Growth, 1/2
PMG	2	Stable, 2/2
Calcifications	2	Stable, 2/2
Triventricular hydrocephalus	1	Resolution, 1/1^c
Draining venous varix thrombosis	1	Recanalization, 1/1