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Updated: Nov 4, 2025

Optic Nerve Transection: A Model of Adult Neuron Apoptosis in the Central Nervous System

Optic Nerve Transection: A Model of Adult Neuron Apoptosis in the Central Nervous System

Published on: May 12, 2011

The Transorbital Pericranial Flap.

Juan M Revuelta Barbero¹, Roberto M Soriano², David P Bray¹

¹Department of Neurosurgery, Emory University School of Medicine, Atlanta, Georgia, USA.

World Neurosurgery

|May 31, 2021

Summary

This summary is machine-generated.

The transorbital pericranial flap (TOPF) is a feasible and versatile technique for reconstructing anterior cranial fossa defects. This novel method offers sufficient surface area for coverage in most cases after endoscopic surgery.

Keywords:

Minimally invasive approach Pericranial flap Skull base reconstruction Transorbital approach

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Last Updated: Nov 4, 2025

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Published on: August 11, 2015

Area of Science:

Neurosurgery
Craniofacial Surgery
Surgical Anatomy

Background:

Pericranial flaps are crucial for reconstructing anterior cranial fossa (ACF) defects.
Current harvesting and insetting techniques may have limitations.
A novel transorbital pericranial flap (TOPF) technique has been developed.

Purpose of the Study:

To describe and evaluate the feasibility, mobility, and surface area of simple and extended TOPFs.
To compare the TOPF with traditional pericranial flap techniques.
To assess the TOPF's adequacy for reconstructing postoperative ACF defects.

Main Methods:

The TOPF technique was performed bilaterally on 5 human cadaveric specimens.
Two distinct TOPF types (simple and extended) were created based on vascular pedicles.
Flap surface areas and arterial distances were measured; ACF defect areas were analyzed postoperatively.

Main Results:

TOPF harvesting was efficient for both simple and extended types.
TOPF surface areas were smaller than the traditional bicoronal flap but sufficient for most ACF defects.
A high spatial distribution was noted between vascular pedicles and anatomical foramina/notches.

Conclusions:

The TOPF is a novel harvesting, tunneling, and insetting technique.
It provides a large, versatile, pedicled flap.
The TOPF is suitable for covering most standard ACF defects after endoscopic surgery.