Agenesis of corpus callosum
49 yr old female, history of psychiatric disorders and apparent cognitive impairment. CT scan was ordered to rule out structural abnormalities.
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Complete absence of the corpus callosum. Anterior and posterior commissures are also absent. Abnormally dilated 3rd ventricle, possibly due to an interhemispheric cyst (not identifiable). Note the is no colpocephaly. Absence of septum pellucidum. Abnormally shaped lateral ventricles which run parallel.
The patient was referred to perform a CT scan to exclude structural abnormalities due to an apparent cognitive impairment. The patient had a history of psychiatric treatments (not specified) and was in the will of some relative. Legal procedures suggested a neurological evaluation to determine if she was capable to receive and manage the assets.