Sunil Patel, MD, in his 30 year career as a neurosurgeon, had never seen a case of the rarely diagnosed Bobble head Doll Syndome, until he met Mickey, a typical two year-old toddler. The condition is named for its characteristic symptom a "yes-yes" head bob, which is often associated with cystic abnormalities in the third ventricle that also produce hydrocephalus.

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