TABLE 3.

Status of several cerebral commissures and the occurrence of Probst’s bundles in children with SBM and almost complete agenesis of the corpus callosum

		Child 1	Child 2	Child 3	Child 4	Child 5
Corpus callosum	Rostrum	absent	absent	absent	absent	absent
	Genu	normal	absent	hypo	absent	absent
	Body	absent	hypo	absent	hypo	hypo
	Splenium	absent	absent	absent	absent	absent
Probst’s bundles		yes	yes	no	no	no
Other cerebral commissures	Anterior	absent	normal	hypo	normal	hypo
	Hippocampal	absent	normal	hypo	enlarged	hypo

Note. hypo = hypoplastic. SBM = spina bifida meningomyelocele.