TABLE 1.

Patterns of dysmorphology of the corpus callosum in children with SBM

	Rostrum	Genu	Body	Splenium	N	%
1	Absent	Absent	Hypoplastic	Absent	3	1.6
2	Absent	Hypoplastic	Absent	Absent	1	0.5
3	Absent	Normal	Absent	Absent	1	0.5
4	Absent	Hypoplastic	Hypoplastic	Absent	30	15.5
5	Absent	Normal	Hypoplastic	Absent	7	3.6
6	Absent	Absent	Hypoplastic	Hypoplastic	2	1.0
7	Absent	Normal	Hypoplastic	Hypoplastic	11	5.7
8	Absent	Hypoplastic	Hypoplastic	Hypoplastic	24	12.4
9	Absent	Normal	Normal	Normal	3	1.6
10	Normal	Absent	Hypoplastic	Absent	1	0.5
11	Hypoplastic	Hypoplastic	Hypoplastic	Absent	10	5.2
12	Hypoplastic	Normal	Hypoplastic	Absent	1	0.5
13	Normal	Hypoplastic	Hypoplastic	Absent	1	0.5
14	Normal	Normal	Hypoplastic	Absent	6	3.1
15	Normal	Hypoplastic	Absent	Hypoplastic	1	.5
16	Hypoplastic	Hypoplastic	Hypoplastic	Hypoplastic	39	20.2
17	Hypoplastic	Normal	Hypoplastic	Hypoplastic	9	4.7
18	Hypoplastic	Hypoplastic	Normal	Hypoplastic	1	0.5
19	Hypoplastic	Normal	Normal	Hypoplastic	1	0.5
20	Hypoplastic	Hypoplastic	Hypoplastic	Normal	1	0.5
21	Hypoplastic	Normal	Normal	Normal	1	0.5
22	Normal	Hypoplastic	Hypoplastic	Hypoplastic	5	2.6
23	Normal	Normal	Hypoplastic	Hypoplastic	16	8.3
24	Normal	Normal	Normal	Hypoplastic	3	1.6
25	Normal	Normal	Hypoplastic	Normal	7	3.6
26	Normal	Normal	Normal	Normal	8	4.1

Note. Regions that are absent (or not visualized) are printed in italics. SBM = spina bifida meningomyelocele.