Neuro-Ophthalmology & Neuro-Otology
Combined third, fourth, and sixth nerve palsies
Jun. 18, 2022
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Coronal T2-weighted image of 2- to 3-month-old girl with PCH2 showing the typical configuration of the cerebellum with flattened hemispheres resting against the tentorium and a relatively spared vermis that protrudes downward in the midline. Destructive cysts present in both cerebellar hemispheres are marked by asterisks. This feature can be seen in approximately 1% of patients with PCH2. (Courtesy of the Department of Medical Imaging, Children’s Memorial Hospital Chicago.)