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Volume 34, Issue 4, December 2023



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Mediterr J Rheumatol 2023;34(4):495-505
Ultrasonography Enthesitis and Synovitis Screening in Psoriatic Patients: A Case Control Study
Authors Information
1Rheumatology Department, Rabta Hospital, Tunis, Tunisia
2Faculty of Medicine of Tunis, University Tunis el Manar, Tunis, Tunisia
3Research Unit LR 05 SP 01, La Rabta Hospital, Tunis, Tunisia

S Boussaid
Abstract

Background: The clinical screening of enthesitis and synovitis in patients with psoriasis lacks specificity and sensitivity during the preclinical phase. Aims: to assess US subclinical synovitis and enthesitis in psoriatic patients compared with healthy controls. Methods: A cross-sectional study on 40 psoriatic patients and 40 healthy sex- and age-matched controls. US examination of 18 joints was performed along with 22 entheseal sites on the upper and lower limbs. US subscores were established according to the US abnormalities: inflammatory score (tendon thickening, hypoechogenicity, bursitis, Doppler signal), damage score (calcification, enthesophytes, bone erosion) and total score (the sum of inflammatory and damage scores). Results: US synovitis were more frequent in psoriatic patients (0.68%) than in controls (0.29%), but the difference was not significant. Patients with psoriasis had more US enthesitis (92,5%) compared to controls (40%)(p<0.001). The total number of enthesitis was higher in the psoriatic group (20.90%) compared to controls (4,78%)(p<0.001). There were more US abnormalities in the psoriatic group compared to controls for calcaneal tendon enthesis(p<0.001), distal patellar tendon enthesis(p<0.001) and deep flexor tendons of the finger enthesis(p<0.001). Compared to controls, psoriatic patients had a significantly higher inflammatory score (Mean±SD) (2.85±3.34 versus 0.58±1.17), damage score (3±2.57 versus 0.60±1.41), and total score (5.85±5.20 versus 1.18±2.07) (p < 0.001 each). Patients with scalp psoriasis had more US enthesitis (p=0.020). Conclusion: Our results indicate that US enthesitis and synovitis are more frequent in patients with psoriasis. Prospective studies with larger sample size are needed to define the contribution of US in predicting the clinical onset of PsA.


Cite this article as: Boussaid S, Ben Aissa R, Rekik S, Rahmouni S, Jammali S, Zouaoui K, Sahli H, Elleuch M. Ultrasonography Enthesitis and Synovitis Screening in Psoriatic Patients: A Case Control Study. Mediterr J Rheumatol 2023;34(4):495-505

Article Submitted: 09 Aug 2022; Article Accepted: 16 Aug 2022; Available Online: 18 Sep 2023

This work is licensed under a Creative Commons Attribution 4.0 International License.

©2023 The Author(s).

https://doi.org/10.31138/mjr.180923.ues