수지점액낭종 환자에서 유형 및 치료 반응에 대한 후향적 연구 = Clinical Type and Treatment Response in Patients with Digital Mucous Cyst: A Retrospective Study

다국어 초록 (Multilingual Abstract)

Background: Digital mucous cysts (DMCs) are benign, occurring mainly on the fingers but rarely on the toes. Although the exact cause of DMC has not been identified, it is classified into two different types based on its pathogenesis and location. Surgical and nonsurgical procedures, including aspiration, sclerotherapy, steroid injection, cryotherapy, and CO2 laser, can be used to treat DMC.
Objective: This study aimed to compare treatment response based on DMC type and evaluate its efficacy in surgical and nonsurgical (sclerotherapy) treatments.
Methods: We retrospectively reviewed the electronic medical records of patients with DMC who visited our dermatology department between January 2010 and November 2020.
Results: This study enrolled 39 patients having a mean age of 59.2 years. The proportion of female patients (21/39, 53.8%) was more than male (18/39, 46.2%). The DMC occurrence was more frequent in the fingers (32/39, 82.1%), especially in the index and middle fingers than in the toes (7/39, 17.9%). In sclerotherapy, DMC in the distal interphalangeal joint (DIPJ) required more treatment than that in the proximal nail fold (PNF) (p＜0.05). The number of treatments using sclerotherapy was higher compared to that of surgical treatments (p＜0.05).
Conclusion: The DIPJ type of DMC patients was more difficult to treat using sclerotherapy than the PNF type. Moreover, surgical treatment has a better response than sclerotherapy. (Korean J Dermatol 2021;59(10):742∼748)

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