Related Experiment Videos
[Hydranencephaly. Report of a new case]
E Pangui1, E Macumi, C Brinderrouch
1Service de Gynécologie et d'Obstétrique, Hôpital Sud, Rennes.
Revue Francaise De Gynecologie Et D'Obstetrique
|May 1, 1991
Summary
Hydranencephaly, a rare brain disorder where cerebral hemispheres are absent, is diagnosed via ultrasound and skull transillumination. This condition has a hopeless prognosis with no available treatment.
Area of Science:
- Neurology
- Developmental Biology
- Pediatrics
Background:
- Hydranencephaly is a rare congenital disorder characterized by the absence of cerebral hemispheres.
- It is classified as a circulatory encephalopathy, affecting approximately 0.5 per thousand births.
Observation:
- The condition involves the cerebral hemispheres being reduced to a membranous sac within an intact skull.
- Neurological findings at birth may appear normal, but skull transillumination is a simple diagnostic indicator.
- Diagnosis can be confirmed through transfontanellar ultrasound, CT scanning, and anatomical confirmation.
Findings:
- Multiple causes contribute to hydranencephaly, including vascular, viral, parasitic, genetic, toxic, and estrogenic factors.
- Two main etiological theories exist: the destructive (encephaloclastic) theory and the malformation (dysontogenesis) theory.
- The prognosis for hydranencephaly is considered hopeless, with no effective treatment options currently available.
Implications:
- Early diagnosis via ultrasound is crucial for management and parental counseling.
- Understanding the diverse causes aids in research for potential preventative strategies.
- The lack of treatment highlights the need for further research into therapeutic interventions for severe congenital brain malformations.