Abstract
Background
A variety of lesions can affect the orbit. Surgical approaches must be available to provide 360 degrees of access. For tumors occupying the superomedial intraconal quadrant, there is a rationale to selecting the medial orbito-frontal approach.
Methods
This article outlines the relevant surgical anatomy and the different surgical steps of this approach.
Results
The medial orbito-frontal approach offers a full exposure of the superomedial intraconal quadrant and avoids crossing the plane of the optic nerve.
Conclusion
In selected intraconal tumor cases, this transcranial epidural intraorbital approach is a straightforward corridor through reliable landmarks that can be routinely performed.
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Abbreviations
- CN,:
-
cranial nerve
- CSF,:
-
cerebro-spinal fluid
- ON,:
-
optic nerve
- SOF,:
-
superior orbital fissure
References
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Aviv RI, Miszkiel K (2005) Orbital imaging: Part 2. Intraorbital pathology. ClinRadiol 60(3):288–307
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Schick U, Dott U, Hassler W (2003) Surgical treatment of orbital cavernomas. Surg Neurol 60(3):234–244
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None of the authors disclose any conflict of interest or any financial disclosure in relation with this study. The manuscript has not been previously published in whole or in part or submitted elsewhere for review.
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ESM 1
Video: Medial orbito-frontal approach: The frontal bone flap was shaped behind the supraorbital rim. A transcranial epidural intraorbital approach was performed through an osteoclastically 2 × 2-cm orbital roof window. Incision of the periorbita exposed the frontal nerve. Dissection was directed through the space between the superior oblique muscle and the levator, according to the superomedial position of this intraconal mass. The surface of an indurated purple mass was seen in depth, typical of a hemangioma. Due to its solid texture and adhesion to the orbital fat, the tumor mass was removed in a one-piece fashion. The periorbita was repaired with a dural patch and maintained with fibrin glue. (MP4 109,419 kb)
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Troude, L., Bernard, F. & Roche, PH. The medial orbito-frontal approach for orbital tumors: a How I Do It. Acta Neurochir 159, 2223–2227 (2017). https://doi.org/10.1007/s00701-017-3319-5
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DOI: https://doi.org/10.1007/s00701-017-3319-5