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Agenesis of the corpus callosum

Case contributed by Dr Praveen Jha

Presentation

Antenatal check-up (at 39 weeks of gestation). She had a regular antenatal ultrasound done at another center, however, no gross abnormality was detected earlier.

Patient Data

Age: 39 week gestation
Gender: Female
Ultrasound

Sonographic visibility is compromised due to mature skull at 39 weeks.

Dilated occipital horns of lateral ventricles is seen with parallel appearance of bilateral lateral ventricles. Sagittal images could not show corpus callosum properly. Patient was advised for a post-natal MRI.

MRI

Post-natal MRI

Post-natal MRI confirms the findings of corpus callosum agenesis. 

Case Discussion

Colpocephaly is frequently associated with partial or complete corpus callosal agenesis. Although visualization of corpus callosum may be limited in antenatal scans, ventricular trigones and orientation of ventricles are often well visible. This may be a useful pointer to the associated anomaly.

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Case information

rID: 16190
Published: 28th Dec 2011
Last edited: 1st May 2020
Inclusion in quiz mode: Included

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