Spontaneous Closure of a Carotid-cavernous Fistula after Contrast-enhanced Orbit Computed Tomography
Byung-Jin KIM; Hye-Yeon PARK; Hye-Young SHIN.
Journal of the Korean Ophthalmological Society
; : 1455-1458, 2021.
Artículo
en Ko
| WPRIM | ID: wpr-916409
Purpose@#We report a case of spontaneous closure of a carotid-cavernous fistula (CCF) after contrast-enhanced orbit computed tomography (CT).Case
summary:
A 80-year-old female was referred to our clinic under suspicion of chronic angle- closure glaucoma because of persistently high intraocular pressure commencing one month prior. Slit-lamp examination revealed a conjunctival injection and corkscrew-like vessel dilatation in the left eye, and a high intraocular pressure. Dilated fundus examination revealed central retinal vein occlusion in that eye. Contrast-enhanced orbit CT revealed a dilated, superior ophthalmic vein in the left orbit, and she was transferred to our department of neurosurgery for digital subtraction angiography (DSA); this is the gold standard imaging modality for the diagnosis of direct and indirect CCFs. DSA was performed two weeks after orbit CT; however, no CCF was visible. Thereafter, the conjunctival injection and the elevated intraocular pressure improved gradually over eight months. We suspect that the CCF closed spontaneously. @*Conclusions@#Our case highlights the fact that a CCF can close spontaneously after contrast-enhanced orbit CT; ophthalmologists may wish to bear this in mind.
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