The Emory Knee Radiograph (MRKR) Dataset
Brandon J Price1, Judy Gichoya2, Mohammadreza Chavoshi2
1Department of Radiology, University of Florida, 1600 SW Archer Rd., Gainesville, FL, 32608, USA. brandon.price@ufhealth.org.
Journal of Imaging Informatics in Medicine
|March 11, 2026
Summary
The Emory Knee Radiograph (MRKR) dataset offers 503,261 knee X-rays from diverse patients, including rich clinical data. This resource aids researchers in developing equitable deep learning models for osteoarthritis and pain management.
Area of Science:
- Radiology and Medical Imaging
- Artificial Intelligence in Healthcare
- Orthopedics and Musculoskeletal Research
Background:
- Large-scale datasets are crucial for developing robust deep learning models in medical imaging.
- Existing knee radiograph datasets often lack comprehensive clinical information and demographic diversity.
- The Emory Knee Radiograph (MRKR) dataset addresses these limitations by providing extensive data.
Purpose of the Study:
- To introduce and describe the MRKR dataset, a large, demographically diverse collection of knee radiographs.
- To highlight the unique features of the MRKR dataset, including clinical data and imaging metadata.
- To facilitate research in osteoarthritis, pain management, and the development of equitable AI models.
Main Methods:
- Compilation of 503,261 knee radiographs from 83,011 patients.
- Inclusion of de-identified DICOM imaging data.
- Integration of detailed clinical information: patient-reported pain scores, diagnostic codes, procedural codes, image laterality, view type, and arthroplasty status.
Main Results:
- The MRKR dataset comprises 503,261 knee radiographs, with 40% from African American patients, ensuring demographic diversity.
- The dataset includes comprehensive clinical data and imaging metadata not commonly found in public repositories.
- Data are publicly available under a CC-BY-SA license, promoting open research.
Conclusions:
- The MRKR dataset is a valuable, openly accessible resource for advancing research in knee osteoarthritis and pain.
- Its rich data facilitates the development of equitable deep learning models for improved patient outcomes.
- Researchers can leverage this dataset to enhance diagnostic accuracy and treatment strategies for musculoskeletal conditions.


