Computed Tomographic Exploration of the Middle Ethmoidal Artery

Eric Mason, Clementino Arturo Solares, Ricardo L. Carrau, Ramon E Figueroa Ortiz

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Objectives The integral involvement of sinus and skull base surgeries in the field of otolaryngology makes the endonasal vasculature including the ethmoidal arteries important to consider. The anterior ethmoidal artery (AEA) and posterior ethmoidal artery (PEA) are well-known entities, yet the relatively recent notion of accessory or middle ethmoidal vessels complicates our understanding of this arterial system. Study Design Radiographic study. Methods Fifty computed tomographic angiographies were studied for the presence of accessory/middle ethmoidal arteries (MEAs). If contrasted arteries were not visualized reliably, foramina were accepted as evidence of arteries. The accessory arteries/foramina were then compared with the locations of the AEA and PEA. Results A total of 19 of the 50 patient samples studied had evidence of a right, left, or bilateral middle ethmoidal vessels (38%). Overall, 26 arteries total were identified out of the 100 sides (26%). Unilateral middle arteries were more common than bilateral, and right sided were more common than left. There was no evidence of multiple MEAs on a given side. Conclusion The endonasal surgeon must be cognizant of the possible presence of MEAs. These arteries should be considered when working in the medial orbit and anterior skull base region.

Original languageEnglish (US)
Pages (from-to)372-378
Number of pages7
JournalJournal of Neurological Surgery, Part B: Skull Base
Volume76
Issue number5
DOIs
StatePublished - May 13 2015

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Arteries
Skull Base
Otolaryngology
Orbit
Angiography

Keywords

  • accessory
  • anterior skull base
  • endoscopic sinus surgery
  • endoscopic skull base surgery
  • endoscopy
  • ethmoid
  • middle ethmoidal artery
  • radiology
  • skull base

ASJC Scopus subject areas

  • Clinical Neurology

Cite this

Computed Tomographic Exploration of the Middle Ethmoidal Artery. / Mason, Eric; Solares, Clementino Arturo; Carrau, Ricardo L.; Figueroa Ortiz, Ramon E.

In: Journal of Neurological Surgery, Part B: Skull Base, Vol. 76, No. 5, 13.05.2015, p. 372-378.

Research output: Contribution to journalArticle

Mason, Eric ; Solares, Clementino Arturo ; Carrau, Ricardo L. ; Figueroa Ortiz, Ramon E. / Computed Tomographic Exploration of the Middle Ethmoidal Artery. In: Journal of Neurological Surgery, Part B: Skull Base. 2015 ; Vol. 76, No. 5. pp. 372-378.
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