Table 1.

Clinical features of patients with CCA in this study

Abbreviations: + = present; – = absent; +D = decreased size: referring to anterior commissure); +E = enlarged size: referring to anterior commissure); ABS = seizures (absence type); ANR = anterior remnant corpus callosum; APC = apple core corpus callosum; CAG = complete absence of corpus callosum; CBLND = cortical blindness; CCA = corpus callosum abnormality; Col = optic colobomas; CSP = cavum septum pellucidum; Ctrl = controlled (referring to seizures); HwoD = hypoplasia without dysplasia; KIN = kinked corpus callosum; MLD = mild; NCtrl = not controlled (referring to seizures); ON = optic nerve; ONA = optic nerve atrophy; PS = perisylvian; SEV = severe; STR = stripe corpus callosum; VEP = visual evoked potentials.