A Clinical Study on Psoriasis.
- Author:
Jai Il YOUN
1
;
Byung Su KIM
Author Information
1. Department of Dermatology, Seoul National University College of Medicine, Seoul, Korea.
- Publication Type:Original Article
- Keywords:
Psoriasis;
Clinical study
- MeSH:
Age of Onset;
Elbow;
Humans;
Knee;
Lower Extremity;
Psoriasis*;
Scalp;
Skin;
Upper Extremity
- From:Korean Journal of Dermatology
1996;34(6):886-892
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
BACKGROUND: Psoriasis is a chronic relapsing disorder which shows variable clinical features. A study of a large number of patients may elucidate the epidemiological and clinical features of psoriasis. OBJECTIVE: Our purpose was to investigate the epidemiological data and clinical features of psoriasis in a large number of Korean patients. METHODS: Epidemiological and clinical data with particular reference to the extent and activity of the condition in 1,025 new psoriatic patients between 1982 and 1994 were collected and analysed. RESULTS: 1. Patients in their twenties were most common(30.8%). There were no sexual predominancies in our patients. 2. The most frequent age of onset was in the third decade of life(31.4%). 3. Family histories were observed in 20.2% of patients. 4. With reference to the extent of this skin condition, 45.6% of patients were mild cases, 36.2% were moderate and 18.2% were severe. 5. With reference to the activity, 44.4% of patients were mild cases, 25.2% were moderate and 30.4% were severe. 6. The most common morphological features were nummular types(53.1%), guttate types(20.3%) and large plaque types(19.3%). 7. The common initial presenting sites in descending order were the scalp, knee, trunk, lower extremities, the elbow and upper extremities. 8. Nail involvements were observed in 24.2% of patients. 9. Subjective symptoms were present in 38.1% of patients. CONCLUSION: We investigated the epidemiological and clinical features of psoriasis in a large number of Korean patients. The condition in more than half of the patients was moderate or servere with reference to the extent and activity.