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Microlissencephaly: a heterogeneous malformation of cortical development
A J Barkovich1, D M Ferriero, R M Barr
1Faculté de Médicine Xavier-Bichat (Université de Paris VII), Hôpital Robert-Debré, France.
Neuropediatrics
|August 26, 1998
Summary
We identified microlissencephaly, a condition with severe microcephaly and simplified gyral patterns, in 17 infants. Clinicoradiologic analysis revealed 5 distinct groups, suggesting varied causes and potential for outcome prediction.
Area of Science:
- Neuroscience
- Genetics
- Pediatrics
Background:
- Microlissencephaly is characterized by severe microcephaly and simplified cerebral gyral patterns.
- Understanding its diverse clinical and neuroimaging features is crucial for diagnosis and prognosis.
Purpose of the Study:
- To describe the neonatal course, development, and neuroimaging findings in patients with microlissencephaly.
- To classify patients into distinct groups based on clinicoradiologic features to aid in outcome prediction.
Main Methods:
- Retrospective analysis of 17 patients with microlissencephaly.
- Evaluation of neonatal clinical data and neuroimaging findings.
- Segregation of patients into clinically and radiologically distinct groups.
Main Results:
- Identified 17 patients with marked microcephaly and simplified gyral patterns (microlissencephaly).
- Classified patients into 5 distinct groups with varying clinical outcomes.
- Observed features suggesting multiple etiologies and a probable autosomal recessive inheritance pattern.
Conclusions:
- Microlissencephaly likely results from multiple etiologies, with a strong genetic component.
- Classification based on neonatal course and neuroimaging may predict patient outcomes.
- Further research into specific genetic factors is warranted.