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Cranial Bones: Lateral View

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The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
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3D printed temporal bones for preoperative simulation and planning.

William Rienas¹, Richard Hubbell², Joonas Toivonen³

¹George Washington University School of Medicine and Health Sciences, 2300 I St NW, Washington, DC 20052, United States of America; Department of Otorhinolaryngology, Boston Children's Hospital, Harvard Medical School, 333 Longwood Ave, Boston, MA 02115, United States of America.

American Journal of Otolaryngology

|May 9, 2024

Summary

This summary is machine-generated.

3D printed temporal bone models enhance surgical planning for complex cases like cochlear implants and cholesteatoma removal. These patient-specific models improve surgical outcomes, reduce operating time, and lower costs.

Keywords:

3D model Cholesteatoma Cochlear implant Temporal bone

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Area of Science:

Medical Imaging and Simulation
3D Printing in Medicine
Surgical Planning

Background:

Challenging surgical anatomy in temporal bone procedures necessitates advanced planning tools.
Cochlear implantation and cholesteatoma exteriorization require precise anatomical understanding.

Purpose of the Study:

To demonstrate the utility of 3D printed temporal bone models for individual patient preoperative planning and simulation.
To assess the impact of 3D models on surgical outcomes, safety, and efficiency.

Main Methods:

3D temporal bone models were created from CT scans of 5 patients with complex anatomy undergoing cochlear implantation or cholesteatoma surgery.
Models were used for preoperative planning, surgical simulation, and intraoperative reference.

Main Results:

Surgical plans were significantly altered based on 3D model simulations.
Operating time was reduced by up to 93 minutes for cochlear implant surgery.
Complex cases were managed successfully with reduced invasiveness and no complications.

Conclusions:

3D printed models are beneficial for temporal bone surgery simulation and planning.
Patient-specific techniques and approaches were developed, avoiding complications.
Reduced surgical time and costs were observed.