Demographic, clinical, and scintigraphic comparison of patients affected by palmoplantar pustulosis and severe acne: a retrospective study
- 1 June 2020
- journal article
- research article
- Published by Springer Science and Business Media LLC in Clinical Rheumatology
- Vol. 39 (6), 1989-1996
- https://doi.org/10.1007/s10067-019-04904-8
Abstract
Objective Synovitis, acne, pustulosis, hyperostosis, and osteitis (SAPHO) syndrome encompasses heterogeneous dermatological manifestations, mainly palmoplantar pustulosis (PPP) and severe acne (SA). This study aims to explore the necessity of stratified management according to skin lesions. Methods In a cohort of SAPHO patients, we compared the demographic, clinical, and scintigraphic characteristics of the SAPHO patients whose skin lesion was PPP or SA. Results A total of 249 patients were included (227 affected by PPP and 22 affected by SA). Patients with SA were younger at onset (20, interquartile ranges (IQR) 15-30 vs. 37, IQR 30-46 years old; p < 0.001) and enrollment (35, IQR 25-38 vs. 41, IQR 33-50 years old; p = 0.001), and they had a prolonged disease duration (88.5 months, IQR 18.7-216.0 vs. 16.0, IQR 7.0-48.0 months; p < 0.001) and time needed for diagnosis (7.5, IQR 2.0-19.0 vs. 1.0, IQR 1.0-4.0 years; p < 0.001). Adjusted by age, sex, and disease duration, SA was significantly associated with more disease-modifying anti-rheumatic drug (DMARD) use (adjusted odds ratio (OR) 3.72; 95% confidence interval (CI) 1.23, 12.62; p = 0.019) and more sternoclavicular joint involvement (adjusted OR 5.91; 95% CI 1.17, 61.3; p = 0.030) in two separate Firth's logistic regression models. Conclusion SAPHO patients affected by PPP or SA as the only skin lesion may have different epidemiologic features, osteoarticular manifestations, and treatment history.Funding Information
- National Natural Science Foundation of China (81822030)
- Beijing Natural Science Foundation (7172175)
- the Central Level Public Interest Program for Scientific Research Institute (2018RC31003)
- Chinese Academy of Medical Sciences Initiative Fund for Medical Sciences (2016-I2M-3-003)
- Chinese Academy of Medical Sciences Initiative for Innovative Medicine (2017-I2M-3-001)
- Capital Medical Research and Development Fund (2016-4-40112)
- National Key Research and Development Program of China (2016YFC0901500)
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