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The Sheep Head Versus the Pig Head as a Training Model for Sialendoscopy
Urs Borner1,2, Samuel Tschopp1, Michael Stewart3
1Department of Otorhinolaryngology - Head and Neck Surgery, Inselspital, Bern University Hospital and University of Bern, Bern, Switzerland.
The Laryngoscope
|March 19, 2025
Summary
Sheep heads are an effective alternative for sialendoscopy training, particularly for parotid duct procedures. This study found both sheep and pig models beneficial for newcomers learning minimally invasive salivary gland treatments.
Area of Science:
- Medical training and simulation
- Minimally invasive surgery
- Otolaryngology
Background:
- Sialendoscopy is a key technique for inflammatory salivary gland diseases.
- Hands-on training is crucial due to sialendoscopy's complexity.
- Traditionally, pig heads are used for training, but sheep heads are emerging as an alternative.
Purpose of the Study:
- To evaluate the efficacy of sheep heads as a training model for sialendoscopy.
- To compare the performance and participant preference between sheep and pig head models for sialendoscopy training.
Main Methods:
- Participants at an international sialendoscopy course used both fresh pig and sheep heads.
- Pre- and post-training self-assessment questionnaires and tutor evaluations were conducted.
- Procedural success rates and times were recorded.
Main Results:
- Both models showed significant improvements in diagnostic sialendoscopy comfort.
- Female participants had higher success rates in diagnostic and therapeutic procedures.
- Sheep heads were favored for parotid duct cannulation, while pig heads were preferred for submandibular glands.
Conclusions:
- Both pig and sheep heads are effective for sialendoscopy training.
- Sheep heads offer specific advantages for parotid duct procedures.
- Sheep heads present a viable alternative to pig heads, considering logistical and ethical factors.

