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Ⅰ.はじめに
群発頭痛は一次性頭痛であり一側頭痛と流涙・鼻漏などの自律神経症状を伴い,その痛みは高度である.今回,海綿静脈洞部硬膜動静脈瘻から群発頭痛様の症状のみを呈し,血管内手術で治療後症状が改善し,疼痛に対する投薬が不要となった1例を経験したので報告する.
We report a unique case of cavernous sinus(CS)-dural arteriovenous fistula(dAVF)with cluster headache-like ophthalmalgia without chemosis and exophthalmos, that was successfully treated by transvenous embolization.
A 25-year-old man presented with severe right cluster headache-like ophthalmalgia and could not get complete relief of symptoms by medical treatment. MRI showed a hyper-intensity signal in the right cavernous sinus and cerebral angiography revealed Barrow type D cavernous sinus dural arteriovenous fistula, which is thought to be the cause of ophthalmalgia. Percutaneous transvenous embolization of the anterior part of the right CS and superior ophthalmic vein was performed and complete obliteration of dAVF was obtained followed by complete cure of cluster headache-like ophthalmalgia.
We can detect neither the recurrence of dAVF on MRI nor any clinical symptom after 23 months of the treatment.
This is the first clinical presentation of cluster headache-like ophthalmalgia caused by CS dAVF and it emphasizes the unique and important potential relationship between them.
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