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Updated: Feb 11, 2026
05:01
A Detailed Protocol for Physiological Parameters Acquisition and Analysis in Neurosurgical Critical Patients
Published on: October 17, 2017
7.5K
Anterolateral Triangle: A Cadaveric Study with Neurosurgical Significance
Andre Granger1, Ornella Bricoune1, Tina Rajnauth2
1Department of Anatomical Sciences, St. George's University School of Medicine, Grenada, West Indies.
Cureus
|April 17, 2018
Summary
The anterolateral triangle, a key landmark in cavernous sinus surgery, was precisely measured in cadavers. These measurements aid skull base surgeons in planning complex procedures.
Area of Science:
- Anatomy
- Neurosurgery
- Skull Base Surgery
Background:
- The anterolateral triangle is an important surgical landmark within the cavernous sinus.
- Limited precise definitions and measurements exist in English literature.
- Inconsistent nomenclature complicates understanding of this anatomical region.
Purpose of the Study:
- To precisely define and measure the borders of the anterolateral triangle.
- To provide objective data for surgical planning in the cavernous sinus and middle cranial fossa.
Main Methods:
- Dissection of 12 midsagittally hemisected adult human cadaveric heads.
- Identification and exposure of the anterolateral triangle.
- Measurement of the anterior, posterior, and lateral borders.
Main Results:
- Mean lengths of borders: anterior (8.3 ± 2.2 mm), posterior (5.9 ± 2.0 mm), and lateral (11.5 ± 2.9 mm).
- Mean area of the anterolateral triangle: 20.46 ± 9.30 mm².
- Established quantitative data for the anterolateral triangle's dimensions.
Conclusions:
- The anterolateral triangle is crucial for understanding and planning surgical approaches to the cavernous sinus.
- Recognizing normal anatomical relationships and dimensions is essential for accessing pathology in this region.
- Provides a foundation for improved surgical navigation and patient outcomes.
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