alexa Agenesis of the corpus callosum: clinical and genetic study in 63 young patients.
Pediatrics

Pediatrics

Journal of Neonatal Biology

Author(s): Maria Francesca Bedeschi, Rita Grasso, Rosaria Rita Garghentino, Anna Maria Panarisi, Maja Di Rocco

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This study reports the clinical features of 63 patients with agenesis of the corpus callosum who received in-depth genetic, clinical, and laboratory testing with the aim to contribute to a better description of the large spectrum of associated malformations and to assist clinicians in the diagnosis. Thirty patients manifested complete agenesis and 33 patients displayed partial agenesis. Other associated nervous system malformations were detected in 14 patients with partial agenesis of the corpus callosum (mostly correlated to posterior fossa malformations) and in 10 patients with complete agenesis (more frequently associated with malformations of cortical development). Involvement of organs and apparatus other than the nervous system was present in 41 patients (ascribed to known syndromes in 21 cases). Cytogenetically detectable chromosomal abnormalities (7 patients) and subtelomeric rearrangements (3 patients) were found. Neuromotor skills were impaired in almost all cases (58/63). Mental retardation of different severity was present in 52 cases, whereas 2 patients were borderline and 9 patients had normal intelligence quotient. This study demonstrates that there is no unique prognosis for agenesis of the corpus callosum as this condition is associated with a broad range of clinical manifestations, oscillating between the limits of the norm and severe psychomotor delay.

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This article was published in Pediatr Neurol. and referenced in Journal of Neonatal Biology

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