Traumatic Spinal Perimedullary Arteriovenous Fistula Induced by a Cervical Glass Stab Injury

Shogo Ogita, Toshiki Endo, Tomoo Inoue, Kenichi Sato, Hidenori Endo, Teiji Tominaga

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

Background In the literature, perimedullary arteriovenous fistula (AVF) is an uncommon spinal vascular malformation that is generally regarded as a congenital lesion. To our knowledge, only a few cases of traumatic perimedullary AVF have been reported in the literature so far. Case Description A 58-year-old man presented with subarachnoid hemorrhage (SAH) resulting from a secondary perimedullary arteriovenous fistula (AVF) induced by a glass stab injury to his right posterior neck. The glass had been removed, and the lacerated dura mater was closed. Hydrocephalus was diagnosed 2 months later, and the patient underwent ventriculoperitoneal shunt placement. Magnetic resonance imaging and digital subtraction angiography subsequently revealed dissection of the extradural right vertebral artery. However, there were no signs of perimedullary AVF. The patient presented 9 months after injury with sudden onset of severe headache, and SAH was diagnosed. Repeat digital subtraction angiography showed that the right vertebral artery dissection remained unchanged and was unlikely to be the underlying cause of SAH. However, a new diagnosis of perimedullary AVF at the craniocervical junction was made, and this was considered as a potential cause of SAH. The lesion was surgically obliterated. The hemosiderin deposits on the surface of the spinal cord confirmed that perimedullary AVF was the origin of SAH. Conclusions Cervical trauma should be considered as a possible cause of de novo perimedullary AVF. Recognition of this phenomenon is important.

Original languageEnglish
Pages (from-to)610.e9-610.e13
JournalWorld Neurosurgery
Volume96
DOIs
Publication statusPublished - 2016 Dec 1

Keywords

  • Cervical trauma
  • Perimedullary arteriovenous fistula
  • Subarachnoid hemorrhage

ASJC Scopus subject areas

  • Surgery
  • Clinical Neurology

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