Department of Neurosurgery, Ebara Hospital, Tokyo Metropolitan Health and Hospitals Corporation, Tokyo, Japan; Department of Neurosurgery, Showa University Koto Toyosu Hospital, Tokyo, Japan.
Department of Neurosurgery, Ebara Hospital, Tokyo Metropolitan Health and Hospitals Corporation, Tokyo, Japan.
World Neurosurg. 2020 Dec;144:112-114. doi: 10.1016/j.wneu.2020.08.171. Epub 2020 Sep 2.
Although traumatic dural arteriovenous fistula (AVF) is a rare condition, dural injury associated with skull fracture is one of the major factors for the formation of dural AVF at the skull fracture area. We report a case of de novo intraosseous AVF around the anterior condylar confluence after head injury associated with skull base fracture.
A woman in her 70s presented with pulsatile tinnitus 3 months after cerebellar infarction and occipital bone fracture. The appearance of de novo intraosseous AVF was confirmed by magnetic resonance imaging and magnetic resonance angiography and treated with coil embolization, which led to symptomatic relief without recurrence on follow-up.
There is no previous report to our knowledge of intraosseous AVF around the anterior condylar confluence proven to appear after skull fracture. This case demonstrates that head injury associated with skull base fracture could be one etiology of dural AVF around the anterior condylar confluence.
尽管创伤性硬脑膜动静脉瘘（AVF）较为罕见，但硬脑膜损伤与颅骨骨折是颅骨骨折区域硬脑膜 AVF 形成的主要因素之一。我们报告了一例与颅底骨折相关的小脑梗死和枕骨骨折后前髁汇合处新出现的骨内 AVF 病例。
一位 70 多岁的女性在小脑梗死和枕骨骨折 3 个月后出现搏动性耳鸣。通过磁共振成像和磁共振血管造影证实了新出现的骨内 AVF 的存在，并采用线圈栓塞进行治疗，随访时症状缓解且无复发。
据我们所知，目前尚无关于颅骨骨折后出现前髁汇合处骨内 AVF 的报道。本病例表明，与颅底骨折相关的头部外伤可能是前髁汇合处硬脑膜 AVF 的病因之一。
