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Congenital Third Nerve Palsy Associated With Midbrain Hypoplasia Due to Bilateral Segmental Internal Carotid Artery Agenesis

Dhiman, Rebika, MD; Gorimanipalli, Bhavya, MBBS; Swamy, Deepa, R., MD; Sharma, Sanjay, MD; Garg, Ajay, MD; Saxena, Rohit, MD, PhD

Section Editor(s): McCulley, Timothy J. MD

doi: 10.1097/WNO.0000000000000666
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Abstract: A 15-year-old girl, diagnosed with a partial right third nerve palsy, was found to have bilateral internal carotid artery agenesis. Neuroimaging with 3D-constructive interference in steady state scanning identified the possible etiology of the third nerve palsy as midbrain hypoplasia.

Strabismus and Neuro-Ophthalmology Services (RD, BG, DRS, RS), Dr. Rajendra Prasad Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, India; and Department of Radiology (SS, AG), All India Institute of Medical Sciences, New Delhi, India.

Address correspondence to Professor Rohit Saxena, MD, PhD, Strabismus and Neuro-Ophthalmology Services, Dr. R. P. Centre for Ophthalmic Sciences, All India Institute of Medical Sciences, Ansari Nagar, New Delhi 110029, India; E-mail: rohitsaxena80@yahoo.com

The authors report no conflicts of interest.

© 2018 by North American Neuro-Ophthalmology Society