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Lateral Molar Approach-Driven Transoral Endoscopic Procedure for Benign Infratemporal Fossa Tumor Resection

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Transoral approach to CT-guided C2 interventions.

Arra S Reddy¹, Diane Dinobile, Juan E Orgeta

¹Beth Israel Deaconess Medical Center, Boston, MA 02215, USA. sreddy1@bidmc.harvard.edu

|January 24, 2009

Summary

Computed Tomography (CT)-guided transoral biopsies of C2 lesions offer a safe and precise approach. This study details the first series of CT-guided transoral biopsies for C2 lesions, demonstrating successful outcomes.

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Area of Science:

Interventional Radiology
Neurosurgery
Oncology

Background:

C2 lesions present unique surgical challenges due to their anatomical location.
The transoral approach is established for C2 vertebroplasty but less documented for biopsies.
Existing transoral biopsies for C2 lesions primarily utilized fluoroscopic guidance.

Purpose of the Study:

To evaluate the initial experience with CT-guided transoral biopsies of C2 lesions.
To assess the safety, efficacy, and relative advantages/disadvantages of this technique.

Main Methods:

A series of 5 procedures were performed, including 4 CT-guided transoral biopsies of C2 lesions.
Procedures were conducted under general anesthesia with precautions against infection and hemorrhage.
One prior vertebroplasty using the transoral approach was also noted.

Main Results:

All biopsies were technically successful with no immediate or follow-up complications.
The transoral approach was well-tolerated by all patients.
A biopsy yield of 50% was observed, potentially influenced by needle size.

Conclusions:

CT-guided transoral biopsy is a direct, safe, and precise method for C2 lesions.
The technique is feasible when appropriate precautions are implemented.
This approach expands the utility of minimally invasive procedures for C2 pathology.