Cerebral Arteriovenous Malformation: Spetzler-Martin Classification at Subsecond-Temporal-Resolution Four-dimensional MR Angiography Compared with That at DSA

Supplemental Tables

Table E1. Venous Drainage Pattern of Cerebral AVM as Determined with 4D CEMRA and DSA

Patient No.	4D CEMRA Reader 1 (N.R.)		4D CEMRA Reader 2 (N.S.)		DSA
Patient No.	SVD	DVD	SVD	DVD	SVD	DVD
1	1x Superior sagittal sinus	1x Straight sinus	1x Superior sagittal sinus	1x Straight sinus	1x Superior sagittal sinus	1x Straight sinus
2	1x Transverse sinus	---*	1x Transverse sinus	---	1x Transverse sinus	---
3	1x Transverse sinus	---	1x Transverse sinus	---	1x Transverse sinus	---
4	1x Superior sagittal sinus	---	1x Superior sagittal sinus	---	1x Superior sagittal sinus	---
5	2x Superior sagittal sinus	---	2x Superior sagittal sinus	---	2x Superior sagittal sinus	---
6	>4x Superior sagittal sinus	Internal cerebral vein, great cerebral vein, basal vein	>4x Superior sagittal sinus	Internal cerebral vein, great cerebral vein, basal vein	>4x Superior sagittal sinus	Internal cerebral vein, great cerebral vein, basal vein
7	1x Superior sagittal sinus	---	1x Superior sagittal sinus	---	1x Superior sagittal sinus	---
8	---	Early access to great cerebral vein in the straight sinus	---	Early access to great cerebral vein in the straight sinus	---	Early access to great cerebral vein in the straight sinus
9	1x Superior sagittal sinus	---	1x Superior sagittal sinus	---	2x Superior sagittal sinus	---
10	2x Superior sagittal sinus	---	1x Superior sagittal sinus	---	2x Superior sagittal sinus	---
11	3x Superior sagittal sinus	---	3x Superior sagittal sinus	---	3x Superior sagittal sinus, 1x transverse sinus	---
12	1x Superior sagittal sinus	---	1x Superior sagittal sinus	---	1x Superior sagittal sinus	---
13	---	1x Straight sinus	---	1x Straight sinus	---	1x Straight sinus
14	1x Superficial medial cerebral vein	Internal cerebral vein	1x Superficial medial cerebral vein	Internal cerebral vein	1x Superficial medial cerebral vein	Internal cerebral vein
15	2x Superior sagittal sinus	---	2x Superior sagittal sinus	---	2x Superior sagittal sinus	---
16	1x Superficial medial cerebral vein, 1x superior sagittal sinus	---	1x Superficial medial cerebral vein, 1x superior sagittal sinus	---	1x Superficial medial cerebral vein, 1x superior sagittal sinus	---
17	2x Transverse sinus	---	2x Transverse sinus	---	2x Transverse sinus	---
18	2x Superior sagittal sinus	---	2x Superior sagittal sinus	---	1x Superior sagittal sinus	---

Note.�1x, 2x�etc, refers to the number of draining veins. DVD = deep venous drainage, SVD = superficial venous drainage.

* No draining veins depicted.

Table E2. Feeder Arteries of Cerebral AVM as Determined with 4D CEMRA and DSA

Patient No.	4D CEMRA Reader 1 (N.R.)	4D CEMRA Reader 2 (N.S.)	DSA
1	ACA (PA)	ACA (PA)	ACA (PA)
2	PICA*	---	PICA
3	2x PCA (TOA, CA*)	PCA (TOA)	2x PCA (TOA, CA)
4	2x MCA, ACA	2x MCA, ACA	2x MCA, ACA
5	2x PCA*	PCA	2x PCA, MCA^�
6	ACA, MCA	ACA, MCA	ACA, MCA
7	2x MCA, PCA*	2x MCA	2x MCA, PCA
8	PCA	PCA	PCA
9	MCA	MCA	MCA, PCA^�
10	MCA	MCA	MCA, PCA^�
11	2x MCA	2x MCA	2x MCA
12	MCA	MCA	MCA
13	PCA (CA)	PCA (CA)	PCA (CA)
14	2x MCA	2x MCA	2x MCA
15	3x MCA, ACA	3x MCA, ACA	3x MCA, ACA
16	ACA, MCA	ACA, MCA	ACA, MCA
17	MCA, PCA	MCA, PCA	MCA, PCA
18	MCA	MCA	MCA

Note.�The vessels in parentheses are branches of the arteries. ACA = anterior cerebral artery, CA = calcarine artery, MCA = middle cerebral artery, PA = pericallosal artery, PCA = posterior cerebral artery, PICA = posterior inferior cerebellar artery, TOA = temporo-occipital artery.
.

�* Feeder arteries that were confirmed with DSA but were depicted only by the neuroradiologist and not by the neurosurgeon.

^�Feeder arteries that were depicted only with DSA and not with 4D CEMRA by either reader.

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