Distortion of dual energy X-ray images by faecal masses in a child with type 1 diabetes.
Nikhil ShahVeena EkboteVaman KhadilkarAnuradha V KhadilkarPublished in: BMJ case reports (2020)
Dual energy X-ray absorptiometry (DXA) scanning is the most common investigating modality used to assess bone mineral density (BMD). Conditions causing tissue calcification and artefacts such as metallic objects may mislead the results of the DXA scan. We present here a case of a child with diabetes where the DXA images were distorted by faecal lumps, leading to falsely elevated BMD and an error in interpretation of the DXA scans. Our case suggests that DXA software may not, at times, differentiate between bone and other high-attenuating material within the regions of interest. Thus, DXA images should also be visually examined and verified with the numeric data before report preparation in these patients.
Keyphrases
- dual energy
- bone mineral density
- computed tomography
- postmenopausal women
- image quality
- deep learning
- contrast enhanced
- body composition
- convolutional neural network
- mental health
- optical coherence tomography
- type diabetes
- ejection fraction
- magnetic resonance imaging
- cardiovascular disease
- newly diagnosed
- magnetic resonance
- adipose tissue
- machine learning
- high resolution
- mass spectrometry
- metabolic syndrome
- artificial intelligence
- electronic health record