Digital pattern recognition for the identification and classification of hypospadias using artificial intelligence vs experienced pediatric urologist
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2020-09-25Autor(es)
Fernandez, NicolasLorenzo, Armando J.
Rickard, Mandy
Chua, Michael
Pippi-Salle, Joao L.
Perez Niño, Jaime
Braga, Luis H.
Matava, Clyde
Autor(es) Corporativo(s)
Pontificia Universidad Javeriana. Facultad de Medicina. Departamento de Cirugía y Especialidades. Urología
Pontificia Universidad Javeriana. Facultad de Medicina. Hospital Universitario San Ignacio
Tipo
Artículo de revista
ISSN
0090-4295 / 1527-9995 (Electrónico)
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Resumo
Objective:
To improve hypospadias classification system, we hereby, show the use of machine learning/image recognition to increase objectivity of hypospadias recognition and classification. Hypospadias anatomical variables such as meatal location, quality of urethral plate, glans size, and ventral curvature have been identified as predictors for postoperative outcomes but there is still significant subjectivity between evaluators.
Materials and Methods:
A hypospadias image database with 1169 anonymized images (837 distal and 332 proximal) was used. Images were standardized (ventral aspect of the penis including the glans, shaft, and scrotum) and classified into distal or proximal and uploaded for training with TensorFlow. Data from the training were outputted to TensorBoard, to assess for the loss function.
The model was then run on a set of 29 “Test” images randomly selected. Same set of images were distributed among expert clinicians in pediatric urology. Inter- and intrarater analyses were performed using Fleiss Kappa statistical analysis using the same 29 images shown to the algorithm.
Results:
After training with 627 images, detection accuracy was 60%. With1169 images, accuracy increased to 90%. Inter-rater analysis among expert pediatric urologists was k= 0.86 and intrarater 0.74. Image recognition model emulates the almost perfect inter-rater agreement between experts.
Conclusion:
Our model emulates expert human classification of patients with distal/proximal hypospadias. Future applicability will be on standardizing the use of these technologies and their clinical applicability. The ability of using variables different than only anatomical will feed deep learning algorithms and possibly better assessments and predictions for surgical outcomes.
Palavras chave
ArticleArtificial Intelligence
Automated Pattern Recognition
Child Urology
Clinical Outcome
Clinician
Data Base
Diagnostic Accuracy
Disease Classification
Functional Assessment
Functional Disease
Human
Hypospadias
Image Analysis
Learning Al
Comunidade
Neonatos con HipospadiasLink para o recurso
https://www.goldjournal.net/article/S0090-4295(20)31129-8/fulltextFonte
Urology; Volumen 147 , Páginas 264 - 269 (2020)
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