Thermography and colour Doppler ultrasound: a potential complementary diagnostic tool in evaluation of rheumatoid arthritis in the knee region
Abstract
The aim and objectives of this study were as follows: (i) to perform automated segmentation of knee thermal image using the regional isotherm-based segmentation (RIBS) algorithm and segmentation of ultrasound image using the image J software; (ii) to implement the RIBS algorithm using computer-aided diagnostic (CAD) tools for classification of rheumatoid arthritis (RA) patients and normal subjects based on feature extraction values; and (iii) to correlate the extracted thermal imaging features and colour Doppler ultrasound (CDUS) features in the knee region with the biochemical parameters in RA patients. Thermal image analysis based on skin temperature measurement and thermal image segmentation was performed using the RIBS algorithm in the knee region of RA patients and controls. There was an increase in the average skin temperature of 5.94% observed in RA patients compared to normal. CDUS parameters such as perfusion, effusion and colour fraction for the RA patients were found to be 1.2 ± 0.5, 1.8 ± 0.2 and 0.052 ± 0.002, respectively. CDUS measurements were performed and analysed using the image J software. Biochemical parameters such as erythrocyte sedimentation rate (ESR) and C-reactive protein (CRP) showed significant positive correlation with the thermal imaging parameters. The CDUS parameters such as effusion, perfusion and colour fraction correlated significantly with the clinical and functional assessment score. According to the results of this study, both infrared (IR) thermal imaging and CDUS offer better diagnostic potential in detecting early-stage RA. Therefore, the developed CAD model using thermal imaging could be used as a pre-screening tool to diagnose RA in the knee region.
Acknowledgement
The authors would like to express their sincere gratitude to the Management of SRM Hospital and Research Centre for providing necessary infrastructure facilities.
Author Statement
Research funding: The authors state no funding involved.
Conflict of interest: The authors state no conflict of interest.
Informed consent: Informed consent was obtained from all participants included in the study.
Ethical approval: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
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- Thermography and colour Doppler ultrasound: a potential complementary diagnostic tool in evaluation of rheumatoid arthritis in the knee region
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Articles in the same Issue
- Frontmatter
- Review
- Non-invasive drug delivery technology: development and current status of transdermal drug delivery devices, techniques and biomedical applications
- Research Articles
- Mussel-inspired polydopamine-mediated surface modification of freeze-cast poly (ε-caprolactone) scaffolds for bone tissue engineering applications
- Thermography and colour Doppler ultrasound: a potential complementary diagnostic tool in evaluation of rheumatoid arthritis in the knee region
- Effective segmentation and classification of tumor on liver MRI and CT images using multi-kernel K-means clustering
- GPU-enabled design of an adaptable pattern recognition system for discriminating squamous intraepithelial lesions of the cervix
- Monitoring the dynamics of acute radiofrequency ablation lesion formation in thin-walled atria – a simultaneous optical and electrical mapping study
- Dynamic cerebral perfusion parameters and magnetic nanoparticle accumulation assessed by AC biosusceptometry
- The effectiveness of the choice of criteria on the stationary and non-stationary noise removal in the phonocardiogram (PCG) signal using discrete wavelet transform
- Correlational study of the center of pressure measures of postural steadiness on five different standing tasks in overweight adults