File:Direct carotid–cavernous fistula submitted by e-shawn goh of Singapore.jpg
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Summary
Direct carotid–cavernous fistula (CCF). a. Untreated CCF with severe conjunctival chemosis and bilateral oculomotor nerve III palsy. b. Coronal CT images of the orbit demonstrate bilateral dilated superior ophthalmic veins, and enlargement of extraocular muscles. c. Coronal CT images of the cavernous sinus demonstrate convex bowing of the lateral wall. Carotid angiography provides definitive diagnosis. Doppler ultrasound may demonstrate retrograde blood flow in the superior and inferior ophthalmic veins. Focal Points: Management of Orbital Trauma
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:26, May 8, 2023 | | 1,000 × 2,066 (104 KB) | Tony.Ching.AAO (talk | contribs) | Direct carotid–cavernous fistula (CCF). a. Untreated CCF with severe conjunctival chemosis and bilateral oculomotor nerve III palsy. b. Coronal CT images of the orbit demonstrate bilateral dilated superior ophthalmic veins, and enlargement of extraocular muscles. c. Coronal CT images of the cavernous sinus demonstrate convex bowing of the lateral wall. Carotid angiography provides definitive diagnosis. Doppler ultrasound may demonstrate retrograde blood flow in the superior and inferior ophth... |
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