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Agenesis of the corpus callosum (ACC) is a rare birth defect in which there is a complete or partial absence of the corpus callosum. It occurs when the development of the corpus callosum, the band of white matter connecting the two hemispheres in the brain , in the embryo is disrupted.
X-linked complicated corpus callosum dysgenesis is a genetic disorder characterized by dysplasia, hypoplasia or agenesis of the corpus callosum alongside variable intellectual disability and spastic paraplegia. [2] Only 13 cases (all male) have been described in medical literature. [3] Transmission is X-linked recessive. [4]
Agenesis of the corpus callosum that can either be complete or partial; Polysyndactyly, preaxial type; Hand/foot syndactyly; Pearl-white areas in the skin that are prone to scarring and suffer from atrophy; Eye, cheek, and limb hair growth abnormalities; Iris coloboma; Microphthalmia; Congenital short gut; Intestinal malrotation; Dysmotility ...
An example is commissural disconnect in adults which usually results from surgical intervention, tumor, or interruption of the blood supply to the corpus callosum or the immediately adjacent structures. Callosal disconnection syndrome is characterized by left ideomotor apraxia and left-hand agraphia and/or tactile anomia, and is relatively rare.
Aicardi syndrome is a rare genetic malformation syndrome characterized by the partial or complete absence of a key structure in the brain called the corpus callosum, the presence of retinal lacunes, and epileptic seizures in the form of infantile spasms. [2] Other malformations of the brain and skeleton may also occur.
Agenesis of the corpus callosum (ACC) is a rare congenital disorder that is one of the most common brain malformations observed in human beings, [30] in which the corpus callosum is partially or completely absent. ACC is usually diagnosed within the first two years of life, and may manifest as a severe syndrome in infancy or childhood, as a ...
Andermann syndrome, also known as agenesis of corpus callosum with neuronopathy (ACCPN), Charlevoix disease and KCC3 axonopathy among other names, [1] is a very rare neurodegenerative genetic disorder that damages the nerves used to control muscles and related to sensation and is often associated with agenesis of the corpus callosum. [1] [2] [3 ...
This happens as a result of partial or complete absence of the corpus callosum. Corpus callosum is the band of white matter connecting the two cerebral hemispheres. The corpus callosum plays an extremely important role in interhemispheric communication, thus lack of or absence of these neural fibers results in a number of disabilities. [12]