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3D Printed Pediatric Temporal Bone: A Novel Training Model
Evan A Longfield1, Todd M Brickman, Anita Jeyakumar
1Department of Otorhinolaryngology, Louisiana State University-Health Science Center, New Orleans, Louisiana, U.S.A.
Summary
A new 3D-printed pediatric temporal bone model offers a low-cost, accessible training solution for otologic surgery. This innovative model accurately replicates anatomy, addressing limitations of cadaveric temporal bones for pediatric surgical education.
Area of Science:
- Medical Education
- Surgical Simulation
- 3D Printing Technology
Background:
- Temporal bone dissection is crucial for otologic training.
- Cadaveric temporal bones (CTB) are the gold standard but are costly and scarce, especially pediatric specimens.
- Existing training models lack accessibility and affordability for pediatric temporal bone surgery.
Purpose of the Study:
- To develop an accessible and cost-effective pediatric temporal bone training model.
- To utilize 3D printing technology for creating realistic anatomical models.
- To provide a viable alternative to cadaveric temporal bones for pediatric otologic surgical training.
Main Methods:
- A pediatric high-resolution CT temporal bone scan was used.
- A 3D printer generated a plaster training model from the CT data.
- The model incorporated color-coding for anatomical structures like bone and facial nerve.
Main Results:
- Three high-quality, multi-colored models were produced.
- Drilling on two models confirmed accurate representation of surgical landmarks.
- The primary limitation noted was the lack of tactile variation between cortical and cancellous bone compared to CTB.
Conclusions:
- The 3D-printed pediatric temporal bone model is a viable, low-cost training tool.
- This model enhances accessibility for pediatric temporal bone surgical training.
- Future widespread adoption of 3D printers could enable rapid, patient-specific model reproduction for pre-surgical planning.
