2022•Indian Journal of Ophthalmology - Case ReportsOpen access
Low-flow carotid-cavernous fistula causing oculomotor nerve palsy – More than meets the eye!
Akkayasamy Kowsalya, Marushka Aguiar, S. Kumar
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Abstract
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.