The inferior horn of the lateral ventricle is also called the temporal horn, since it extends towards the temporal lobe of the brain. Prominent temporal horns are amongst the first indicators of a hydrocephalus. Other parameters like increased transverse diameter of third ventricle and ballooning of frontal horn are other suggestive indicators. In migraine there are areas of high signal on MRI. The exact reason is unclear but may be related to the vasoconstriction (spasm of blood vessels) associated with migraine attack .There may also be mild prominence of ventricles but it would be very less compared to that seen in hydrocephalus. It would have been really helpful if you had shared details about your clinical symptoms. Any test result should be correlated clinically. Do seek clarification from your doctor who advised this test. Keep us posted.
Best luck and regards!
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