To the best of the present authors' knowledge, this is the largest series of SS to be reported. Clinical presentations are similar to those described in the literature. Colchicine was efficient and facilitates the reduced use of corticosteroids. The association between SS and neoplasms should be considered in the context of vesiculobullous lesions.
Background
Hydroxychloroquine (HCQ)‐induced acute generalized exanthematous pustulosis (AGEP) is poorly described in the literature. The aim of our study was to characterize the clinical, laboratory, allergological, and genetic features of HCQ‐induced AGEP.
Methods
We conducted a retrospective study of patients with HCQ‐induced AGEP diagnosed between 2011 and 2019. We performed molecular analysis to identify variations in the IL36RN gene. We also reviewed similar cases reported between 1991 and March 2020.
Results
Seven female patients were included. The mean age was 47 years old, and the average time from HCQ start to onset of symptoms was 40 days. All patients received topical steroids with a full resolution of the rash within an average of 39 days after HCQ withdrawal. Patch tests were performed for three patients with positive results in one case. Genetic analyses were performed for three patients, and no mutation in the IL36RN gene was identified.
Conclusion
The latent period and the duration for resolution of HCQ‐induced AGEP may be longer than with other drugs due to the metabolic characteristics of HCQ. Mutations in the IL36RN gene were not identified in our patients.
Angiolymphoid hyperplasia with eosinophilia is a rare epithelioid vascular tumor with a challenging clinical and histological diagnosis. Despite its benign nature, ALHE causes a therapeutic dilemma.
IntroductionThe prevalence of atopic dermatitis (AD) is low in North Africa. We describe the epidemiology of this atopic condition among school children in Tunisia.MethodsWe conducted a Cross-sectional survey study of 5 to 6-year-old schoolchildren from 21 primary schools of Sfax. The diagnosis of AD was based on the U.K. Working Party diagnostic criteria. A questionnaire including these criteria and some risk factors of AD was issued to the children. All children were examined by one dermatologist.ResultsAmong the 1617 examined children, ten had AD giving a one-year prevalence of 0.65%. The overall sex ratio was 2.33. The disease occurred before the age of 2 years in 3 children. Pure AD without concomitant respiratory allergies was noted in 3 cases. One first-degree family member with atopy was at least noted in seven children. The strongest associated factor was the presence of AD in at least one parent and maternal age at the time of the child birth. Nor breast-feeding neither environmental characteristics of the house did correlate with AD.ConclusionThe prevalence of AD in Tunisian schoolchildren is low but comparable to those of other developing countries. Family history of atopy and maternal age at the birth time was the most important associated factors.
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