ArticleJournal of the colleges of medicine of South Africa2025
A cost-effective ultrasound model for demonstrating the whirlpool sign in testicular torsion.
Article in Journal of the colleges of medicine of South Africa, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Testicular torsion is a urological emergency requiring rapid diagnosis to prevent testicular loss, with the whirlpool sign on ultrasound being a critical indicator. In resource-limited settings, access to specialised ultrasound training is often constrained. To address this, we developed a cost-effective, reusable ultrasound training model that replicates the whirlpool sign using easily accessible materials. Our model consists of a boiled egg and coiled tubing set in gelatine, with iodine simulating blood flow. Emergency Medicine residents used the model during hands-on training sessions. This model offers a simple yet effective way to improve diagnostic skills in resource-constrained settings, potentially enhancing early detection and outcomes for testicular torsion.
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