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Ultrasound assessment in psoriatic arthritis (PsA) and psoriasis vulgaris (non-PsA): which sites are most commonly involved and what features are more important in PsA?

   
@article{QIMS29273,
	author = {Yuanjiao Tang and Shan Cheng and Yujia Yang and Xi Xiang and Liyun Wang and Lingyan Zhang and Li Qiu},
	title = {Ultrasound assessment in psoriatic arthritis (PsA) and psoriasis vulgaris (non-PsA): which sites are most commonly involved and what features are more important in PsA?},
	journal = {Quantitative Imaging in Medicine and Surgery},
	volume = {10},
	number = {1},
	year = {2019},
	keywords = {},
	abstract = {Background: The aim of this study was to find out the most commonly involved sites and the most important ultrasonic features in psoriatic arthritis (PsA).
Methods: In total, 120 PsA patients and 320 psoriasis vulgaris (non-PsA) patients were assessed by grayscale and power Doppler (PD) ultrasound (US). Joints, tendons, enthesis, and bursa changes were observed. Weights of affected anatomical sites of PsA patients (overall weights >90%) were calculated. Affected anatomical sites between PsA and non-PsA patients were compared. Ultrasonic features of joint, tendon, entheses, and bursa changes between PsA and non-PsA patients were also compared. Finally, the test performance of ultrasonic features for the diagnosis of PsA was calculated.
Results: The anatomical sites with the highest weights were the Achilles tendon, quadriceps tendon, and knee; weights of these anatomical sites were all more than 5%. Among the affected anatomical sites of PsA patients, most of the anatomical sites were more greatly affected in the PsA patients than in the non-PsA patients (all P0.05). Joint synovial thickening, joint PD signal grades, joint bone erosions, tendon sheath synovial thickening, tendon sheath PD signals, enthesis bone erosions, and enthesis PD signals in PsA patients were higher than in non-PsA patients (all P},
	issn = {2223-4306},	url = {https://qims.amegroups.org/article/view/29273}
}