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Vol 73, No 3 (2014)
Original article
Submitted: 2013-08-14
Accepted: 2014-03-10
Published online: 2014-09-05
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Orbital size measurement based on computed tomography imaging for surgical safety

A. Skorek, E. Szurowska, D. Raczyńska, T. Szmuda, D. Stodulski
DOI: 10.5603/FM.2014.0036
·
Folia Morphol 2014;73(3):314-320.

open access

Vol 73, No 3 (2014)
ORIGINAL ARTICLES
Submitted: 2013-08-14
Accepted: 2014-03-10
Published online: 2014-09-05

Abstract

Determining the orbital size makes it possible to manoeuvre safely within theorbit during a surgical procedure. Based on the measurements performed ona multi-layer head computed tomography images, the length was determined of the medial, superior, inferior and lateral orbital walls. Also angles were determined between the superior and inferior walls, between the medial and lateral walls, between the inferior wall and Frankfurt plane and between the anterior and posterior segments of the orbital wall. With these measurements it was possible to establish that the safe space for surgical exploration of the orbit (that is the space between the orbital margin and optic canal) is approximately 40 mm. Moreover, it was determined that the medial wall is parallel to the vertical axis of the body and that the angle between the inferior wall and the Frankfurt plane is 19.7°. The angle between the posterior segment of the inferior wall (posterior to the inferior orbital fissure) and the anterior segment is 130.8°. These data will significantly increase the safety of orbital surgeries.

Abstract

Determining the orbital size makes it possible to manoeuvre safely within theorbit during a surgical procedure. Based on the measurements performed ona multi-layer head computed tomography images, the length was determined of the medial, superior, inferior and lateral orbital walls. Also angles were determined between the superior and inferior walls, between the medial and lateral walls, between the inferior wall and Frankfurt plane and between the anterior and posterior segments of the orbital wall. With these measurements it was possible to establish that the safe space for surgical exploration of the orbit (that is the space between the orbital margin and optic canal) is approximately 40 mm. Moreover, it was determined that the medial wall is parallel to the vertical axis of the body and that the angle between the inferior wall and the Frankfurt plane is 19.7°. The angle between the posterior segment of the inferior wall (posterior to the inferior orbital fissure) and the anterior segment is 130.8°. These data will significantly increase the safety of orbital surgeries.

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Keywords

orbit, surgical exploration, computed tomography imaging

About this article
Title

Orbital size measurement based on computed tomography imaging for surgical safety

Journal

Folia Morphologica

Issue

Vol 73, No 3 (2014)

Article type

Original article

Pages

314-320

Published online

2014-09-05

Page views

1024

Article views/downloads

2698

DOI

10.5603/FM.2014.0036

Bibliographic record

Folia Morphol 2014;73(3):314-320.

Keywords

orbit
surgical exploration
computed tomography imaging

Authors

A. Skorek
E. Szurowska
D. Raczyńska
T. Szmuda
D. Stodulski

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