Demographic-aware fine-grained classification of pediatric wrist fractures

• URL: http://arxiv.org/abs/2507.12964v2
• Date: Fri, 18 Jul 2025 11:16:14 GMT
• Title: Demographic-aware fine-grained classification of pediatric wrist fractures
• Authors: Ammar Ahmed, Ali Shariq Imran, Zenun Kastrati, Sher Muhammad Daudpota,
• Abstract summary: Wrist pathologies are frequently observed, particularly among children who constitute the majority of fracture cases.<n>Computer vision presents a promising avenue, contingent upon the availability of extensive datasets.<n>We employ a multifaceted approach to address the challenge of recognizing wrist pathologies using an extremely limited dataset.
• Score: 3.4384440967420185
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Wrist pathologies are frequently observed, particularly among children who constitute the majority of fracture cases. However, diagnosing these conditions is time-consuming and requires specialized expertise. Computer vision presents a promising avenue, contingent upon the availability of extensive datasets, a notable challenge in medical imaging. Therefore, reliance solely on one modality, such as images, proves inadequate, especially in an era of diverse and plentiful data types. In this study, we employ a multifaceted approach to address the challenge of recognizing wrist pathologies using an extremely limited dataset. Initially, we approach the problem as a fine-grained recognition task, aiming to identify subtle X-ray pathologies that conventional CNNs overlook. Secondly, we enhance network performance by fusing patient metadata with X-ray images. Thirdly, rather than pre-training on a coarse-grained dataset like ImageNet, we utilize weights trained on a fine-grained dataset. While metadata integration has been used in other medical domains, this is a novel application for wrist pathologies. Our results show that a fine-grained strategy and metadata integration improve diagnostic accuracy by 2% with a limited dataset and by over 10% with a larger fracture-focused dataset.

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