한국인 호산구성 연조직염 환자의 임상 및 조직학적 특징: 환자 사례군 연구 및 문헌 고찰 (Clinical and Histological Features of Eosinophilic Cellulitis in Korean Patients: A Case Series and Literature Review)

서지정보

· 발행기관 : 대한피부과학회
· 수록지 정보 : 대한피부과학회지 / 61권 / 1호 / 1 ~ 12페이지
· 저자명 : 김민재, 송원지, 이수란, 조소연, 문제호, 허창훈, 나정임, 신정원

초록

Background: Eosinophilic cellulitis, also known as Wells’ syndrome, is an uncommon skin disease characterized by recurrent pruritic polymorphous plaques or nodules. There is limited knowledge in the Korean literature regarding the clinical characteristics and course of eosinophilic cellulitis. Objective: To investigate the clinical and histological features of eosinophilic cellulitis in Korean patients. Methods: In this case series study, we retrospectively reviewed the electronic medical records of patients diagnosed with eosinophilic cellulitis at our institutions from 2004 to 2022. We also analyzed the literature published in dermatology and internal medicine journals in Korea. Results: A total of 17 patients were included in this study (age, 39.4±21.8 years; 12 male [70.6%]), with an average disease duration of 4.4 months. We identified six clinical variants, with the typical plaque type being the most common (33.3%), followed by the papulonodular type (22.2%). Eosinophilia was observed in 78.6% of patients, and a flame figure, which is a typical histopathological feature of eosinophilic cellulitis, was observed in 52.9% of patients. Systemic and topical steroids and antihistamines were used as first-line treatment with generally favorable results (82.4%), followed by antibiotics (35.3%), cyclosporine (23.5%), and topical calcineurin inhibitors (23.5%). The recurrence rate during the mean follow-up period of 21.8 months was 29.4%. Conclusion: Eosinophilic cellulitis can present with various clinical manifestations, and flame figures do not appear in all cases; therefore, clinical and histological correlations are critical for accurate diagnosis of patients with eosinophilic cellulitis.

영어초록

Background: Eosinophilic cellulitis, also known as Wells’ syndrome, is an uncommon skin disease characterized by recurrent pruritic polymorphous plaques or nodules. There is limited knowledge in the Korean literature regarding the clinical characteristics and course of eosinophilic cellulitis. Objective: To investigate the clinical and histological features of eosinophilic cellulitis in Korean patients. Methods: In this case series study, we retrospectively reviewed the electronic medical records of patients diagnosed with eosinophilic cellulitis at our institutions from 2004 to 2022. We also analyzed the literature published in dermatology and internal medicine journals in Korea. Results: A total of 17 patients were included in this study (age, 39.4±21.8 years; 12 male [70.6%]), with an average disease duration of 4.4 months. We identified six clinical variants, with the typical plaque type being the most common (33.3%), followed by the papulonodular type (22.2%). Eosinophilia was observed in 78.6% of patients, and a flame figure, which is a typical histopathological feature of eosinophilic cellulitis, was observed in 52.9% of patients. Systemic and topical steroids and antihistamines were used as first-line treatment with generally favorable results (82.4%), followed by antibiotics (35.3%), cyclosporine (23.5%), and topical calcineurin inhibitors (23.5%). The recurrence rate during the mean follow-up period of 21.8 months was 29.4%. Conclusion: Eosinophilic cellulitis can present with various clinical manifestations, and flame figures do not appear in all cases; therefore, clinical and histological correlations are critical for accurate diagnosis of patients with eosinophilic cellulitis.

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