Paranasal and Orbital Anatomy Revisited: Identification of the Ethmoid Arteries on Coronal CT Scans

Thaddaeus F. Gotwald, Andreas Menzler, Norman J. Beauchamp, Dieter Zur Nedden, Simion J Zinreich

Research output: Contribution to journalArticle

Abstract

Objective: The aim of this study was to identify recognizable landmarks on coronal CT (CCT) scans for the localization of the anterior and posterior ethmoid arteries, which are important anatomic structures and surgical landmarks within the ethmoid sinuses. Materials and Methods: Four series of plastinated cadaver specimens and 80 CCT examinations were evaluated to identify the anatomical landmarks that define the course of the anterior and posterior ethmoid arteries within the ethmoid sinuses. Results: The following anatomic landmarks: the indentations into the medial orbital wall, the relationship between the superior oblique and medial rectus orbital muscles, and the lateral ethmoid fovea wall thinning proved to be useful CCT landmarks for the localization of the anterior and posterior ethmoid arteries. Conclusion: The results of this study suggest that familiarity with the above-mentioned landmarks on routine CCT images facilitates the localization of the anterior and posterior ethmoid arteries as they enter the ethmoid sinus.

Original languageEnglish (US)
Pages (from-to)263-278
Number of pages16
JournalCritical Reviews in Computed Tomography
Volume44
Issue number5
StatePublished - 2003

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Ethmoid Sinus
Anatomy
Arteries
Anatomic Landmarks
Cadaver
Muscles

Keywords

  • Anterior ethmoid artery
  • Computerized x-ray tomography
  • Paranasal sinuses
  • Posterior ethmoid artery

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Cite this

Paranasal and Orbital Anatomy Revisited : Identification of the Ethmoid Arteries on Coronal CT Scans. / Gotwald, Thaddaeus F.; Menzler, Andreas; Beauchamp, Norman J.; Zur Nedden, Dieter; Zinreich, Simion J.

In: Critical Reviews in Computed Tomography, Vol. 44, No. 5, 2003, p. 263-278.

Research output: Contribution to journalArticle

Gotwald, Thaddaeus F. ; Menzler, Andreas ; Beauchamp, Norman J. ; Zur Nedden, Dieter ; Zinreich, Simion J. / Paranasal and Orbital Anatomy Revisited : Identification of the Ethmoid Arteries on Coronal CT Scans. In: Critical Reviews in Computed Tomography. 2003 ; Vol. 44, No. 5. pp. 263-278.
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