Penile parameters for circumcision

Article DOIhttps://doi.org/10.1016/j.jpedsurg.2025.162358
ObjectiveTo accurately identify normal penile parameters for circumcision eligibility from digital images of the penis using a mobile application.
AI ApproachCNN with transfer learning
Data Source(s)Single institution image series (633 smartphone photos)
Model Input224 x 224 px color JPEG images of penis (dorsal, ventral, lateral)
Model OutcomeEligibility for circumcision
Model MetricsDorsal: accuracy 89%, precision 89%, sensitivity 80%, specificity 94%, F1 0.88
 
Lateral: accuracy 91%, precision 89%, sensitivity 94%, specificity 87%, F1 0.91
 
Ventral: accuracy 93%, precision 96%, sensitivity 92%, specificity 93%, F1 0.92
Model UsabilityDeployed as the “Circapproved” feature inside the publicly available android app. Source code and data not publicly available.

AI = Artificial intelligence

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