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[Congenital anomalies of the brain in computed tomography]
Insights
This study reviewed 12 congenital brain anomaly cases, finding Computed Tomography (CT) superior to Cranial Echo for diagnosing diverse conditions like Holoprosencephaly and Arnold-Chiari malformation.
Area of Science:
- Neurology
- Pediatric Radiology
- Medical Imaging
Background:
- Congenital brain anomalies present a diagnostic challenge in pediatrics.
- Early and accurate diagnosis is crucial for patient management and outcomes.
Purpose of the Study:
- To evaluate the diagnostic utility of Computed Tomography (CT) for various congenital brain anomalies.
- To compare CT with other imaging modalities like Cranial Echo, angiography, and MRI.
Main Methods:
- Retrospective analysis of 12 pediatric cases diagnosed with congenital brain anomalies between June 1987 and December 1988.
- Review of clinical presentations including seizures, visual impairment, and hypotonia.
- Diagnostic imaging primarily utilizing CT scans.
Main Results:
- A spectrum of congenital brain anomalies was diagnosed, including Holoprosencephaly, Lissencephaly, Dandy-Walker cyst variants, and Arnold-Chiari malformation.
- Holoprosencephaly was readily diagnosed when associated with facial anomalies.
- CT scans proved efficient and effective for diagnosing complex midline brain abnormalities, surpassing Cranial Echo in diagnostic capability.
Conclusions:
- Computed Tomography (CT) is a highly efficient and safer diagnostic tool for congenital brain anomalies compared to Cranial Echo and angiography.
- CT offers a cost-effective alternative to MRI for evaluating these pediatric neurological conditions.
Abstract:
From June. 1987 to Dec. 1988, data was collected from 12 cases with Congenital Brain Anomalies. The cases involved 7 girls and 5 boys with ages ranging from 2 days to 15 years old. Abnormalities diagnosed were Cavum-septi pellucidi; Cavum vergae; Cystic dilated cavum; Cavum veli interpositi; Lissencephaly with dysgenesis of the corpus callosum; Dysgenesis of the corpus callosum associated the midline dorsal cyst; Holoprosencephaly, alobar type; Schizencephaly associated with Hydranencephaly; Encephaloclastic porencephaly; Severe hydrocephalus; Variant type of Dandy-Walker cyst with dysgenesis of the corpus callosum; Arnold-Chiari malformation. The patients were initially seen OPD primarily for seizures and other complaints such as nystagmus with visual impairment, hypotonia, facial anomalies, Yolk-sac tumor, prematurity, dyspnea and hydrocephalus. Among these, Holoprosencephaly was easiest to diagnose because it was combined with facial anomalies. However the others required evaluation by CT. CT offers very efficient diagnostic modality which is better than a Cranial Echo. It is also safer than the invasive angiography and not as expensive as MRI.