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A Multimodal Animal-Tissue Simulation Model for Training Single-Stage Hypospadias Repair Techniques: A Descriptive

Jonathan Aichner¹, Ganesh Vythilingam¹, Tobias Jhala²

¹Great Ormond Street Hospital for Children, Department of Paediatric Urology, United Kingdom of Great Britain and Northern Ireland.

European Journal of Pediatric Surgery : Official Journal of Austrian Association of Pediatric Surgery ... [Et Al] = Zeitschrift Fur Kinderchirurgie

|June 4, 2026

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A novel, cost-effective animal tissue simulator allows practice of six common single-stage hypospadias repair techniques. This adaptable platform enhances surgical skills training for paediatric urology fellows.

Area of Science:

Medical Education
Surgical Simulation
Paediatric Urology

Background:

Hypospadias surgery requires specialized skills, yet current paediatric urology fellowship training is often insufficient.
Existing surgical simulators typically focus on only one technique, limiting comprehensive training.

Purpose of the Study:

To develop and demonstrate a single, adaptable simulator for practicing six common single-stage hypospadias repair methods.
To provide a cost-effective and accessible simulation tool for surgical training.

Main Methods:

Utilized an animal tissue model (lamb tenderloin and chicken skin).
Adapted the model to simulate six prevalent single-stage hypospadias repair techniques: Mathieu, Tubularized Preputial Island Flap, Island-Onlay, MAGPI, Koyanagi-Nonomura, and Yoke repair.

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Employed simple modifications like repositioning and suture/resection-based skin adaptations.

Main Results:

Successfully simulated all six major hypospadias correction techniques on a single, adaptable platform.
The model proved to be accessible and cost-effective, requiring minimal resources and preparation.

Conclusions:

An animal tissue model enables simulation of six common single-stage hypospadias reconstruction techniques on one accessible platform.
Further validation studies are recommended for integration into standardized training curricula.