An: CC forms from genu --> body --> splenium --> rostrum
Cl: complete or partial (the latter always includes splenium and rostrum)
Ch: high riding third ventricle, radial, spoke-like gyri, bundles of probst (longitudinal white matter tracts indenting medial ventricles), and colpocephaly- stag-horn or Viking helmet ventricles. Lateral ventricles parallel on axial.
Var: cingulated gyrus, anterior commisure, and fornix may be absent