A male presented with headache and progressive proptosis on the left eye. There is a history of trauma a few years ago.
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MR reveals multiple tortuous and dilated vascular structures in the left cavernous sinus and asymmetrical dilatation of the left superior ophthalmic vein. Findings are suggestive of caroticocavernous fistula.
There is also post-traumatic encephalomalacia at the left frontal and temporal lobes.
Caroticocavernous fistulas are usually secondary to cranial trauma. In most cases, patients presenting with ipsilateral ocular pain increased intraocular pressure and proptosis.