TY - JOUR T1 - Sonographic Recognition of Agenesis of the Corpus Callosum JF - American Journal of Neuroradiology JO - Am. J. Neuroradiol. SP - 369 LP - 375 VL - 6 IS - 3 AU - Scott W. Atlas AU - Arnold Shkolnik AU - Thomas P. Naidich Y1 - 1985/05/01 UR - http://www.ajnr.org/content/6/3/369.abstract N2 - Agenesis of the corpus callosum may be diagnosed successfully in vivo when sonograms demonstrate absence of corpus callosum; absence of pericallosal and cingulate sulci; “sunburst” pattern of sulci along the medial surface of the hemisphere; wide interhemispheric fissure; elevation of the third ventricle; small, laterally positioned frontal horns with concave medial borders; large, laterally positioned and inverted cingulate gyri; and Probst lateral callosal bundles. Comparison of necropsy specimens with sonograms from eight patients with callosal agenesis illustrates the anatomic basis for these diagnostic features. ER -