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Year : 2022  |  Volume : 2  |  Issue : 2  |  Page : 549-551

Low-flow carotid-cavernous fistula causing oculomotor nerve palsy – More than meets the eye!

1 Neuro Ophthalmology Services, Aravind Eye Hospital, Madurai, Tamil Nadu, India
2 Fellow-Paediatric Ophthalmology, Aravind Eye Hospital, Madurai, Tamil Nadu, India

Correspondence Address:
Marushka Aguiar
Department of Neuro Ophthalmology, Aravind Eye Hospital and Post Graduate Institute of Ophthalmology, Madurai - 625 020, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijo.IJO_1776_21

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Isolated oculomotor nerve involvement in a posterior draining CCF is relatively rare. We present the case of a 70-year-old female with complaints of painful left-sided ophthalmoplegia and ptosis. She was detected to have a pupil involving third nerve palsy on the left side. We asked for neuroimaging in the form of MRI and MRA which showed a left-sided low-flow CCF compressing the cavernous and the extra-cavernous portion of the oculomotor nerve. This report stresses the importance of keeping low-flow CCF as a differential diagnosis as early detection can be life-saving.

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