ĐẶC ĐIỂM LÂM SÀNG VÀ MỘT SỐ YẾU TỐ LIÊN QUAN CỦA BỆNH LANG BEN TẠI BỆNH VIỆN DA LIỄU TRUNG ƯƠNG

Abstract

Objectives: Survey of clinical characteristics and some related factors of pityriasis versicolor at National hospital of Dermatology and Venereology. Method: A descriptive cross-sectional study was conducted in 186 patients who were diagnosed with pityriasis versicolor at the National hospital of Dermatology and Venereology from September 2022 to August 2023. Results: The majority of patients were from 21 to 40 years old, accounting for 53,2%, and came from rural areas (62,4%), the ratio of male/female was 2,15/1. The most common associated factor is hyperhidrosis (72,8%). Most patients have had the disease for more than 6 months (40,3%). The most common location was the chest - abdomen (60,1%), followed by the back (58,1%), upper limbs (40,3%), and face - neck (28,5%). 82,8% of patients had white patchs, 78,5% brown patchs, and 25,8% pink patchs. 64% of patients had scaly skin. Itching is a common symptom, the majority of itching is mild or only itching when sweating, accounting for 62,4%. Conclusions: Diagnosing pityriasis versicolor is not difficult, it is characterized by hypopigmented patchs and hyperpigmented patchs in seborrheic skin areas. Hyperhidrosis is the most common favorable factor.