diagnosed using tool treated with Abnormality of the Cerebrum Magnetic Resonance Imaging Ultrasound Test Agenesis of Corpus Callosum Suggest update to description Callosal Agenesis Corpus Callosum Agenesis Suggest update to description in HPO. Include links to relevant Therapeutics. Absent Corpus Callosum Agenesis of the Corpus Callosum ACC A rare congenital disorder characterized by a partial or complete absence (agenesis) of an area of the brain that connects the two cerebral hemispheres. It can be the result of a failure in any one of the multiple steps of callosal development including cellular proliferation and migration, axonal growth or glial patterning at the midline. Absence of Corpus Callosum http://rarediseases.org/rare-diseases/agenesis-of-corpus-callosum/ Dysplastic or Absent Corpus Callosum Genetic Counseling Physiotherapy Supportive Therapeutics Symptomatic Therapeutics