Moose head sign of corpus callosum dysgenesis

Case contributed by Alper Yazicioglu
Diagnosis certain


Intellectual disability.

Patient Data

Age: 25 years
Gender: Male

Incomplete organogenesis of corpus callosum on T2W coronal images demonstrating a moose head appearance.

Moose head sign

Annotated image

The coronal appearances through the lateral ventricles is reminiscent of a moose head. 

Moose photo credit: Dr. Minaev

Original file:

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Case Discussion

Two images from an MRI of the brain demonstrate dysgenesis of the corpus callosum. On coronal imaging, it elegantly demonstrates the moose head appearance, characteristic of this condition, with everted cingulate gyrus and distortion of the lateral ventricles. 

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