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

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Paramaxillary (Transfacial) Approach for CT-Guided Head and Neck Biopsies.

Paulo Miro¹, Lidia Guzhva², Richard Wiggins²

¹From the Department of Radiology and Imaging Sciences, University of Utah, Salt Lake City, Utah paulo.miro@hsc.utah.edu.

AJNR. American Journal of Neuroradiology

|April 21, 2026

Summary

This summary is machine-generated.

The paramaxillary approach offers a safe CT-guided method for biopsies of deep head and neck lesions. This technique enhances precision and reduces risks when accessing challenging parapharyngeal, carotid space, or skull base tumors.

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Area of Science:

Interventional Radiology
Head and Neck Imaging
Neurosurgery

Background:

Deep-seated head and neck lesions pose biopsy challenges due to critical neurovascular proximity.
Ultrasound visualization is often limited for these deep lesions.

Purpose of the Study:

To demonstrate the paramaxillary approach as a safe and effective CT-guided biopsy technique.
To provide a detailed roadmap for accessing challenging head and neck masses.

Main Methods:

Detailed anatomical review relevant to the paramaxillary approach.
CT-guided procedural demonstration with case examples.
Discussion of indications, contraindications, and biopsy types (FNA vs. core biopsy).

Main Results:

The paramaxillary approach provides a reproducible pathway to deep head and neck spaces.
The technique facilitates precise tissue acquisition with potentially lower morbidity.
Case examples illustrate anatomical landmarks, potential pitfalls, and success tips.

Conclusions:

The paramaxillary approach is a valuable technique for interventional and neuroradiologists.
It enables precise, low-morbidity biopsies of challenging deep head and neck lesions.
This CT-guided method improves access to difficult-to-reach anatomical areas.