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강효준,왕한영,성호석 ( Hyo Jun Kang,Han Young Wang,Ho Suk Sung ) 대한피부과학회 1997 大韓皮膚科學會誌 Vol.35 No.3
Background: Pityriasis versicolor(PV) is a superficial mycosis, theoretically unusual in children. Epidemiologic and clinical data for children with PV under 14 years were collected. Objective . The purpose of this study was to evaluate the clinical features of PV in the young. Method: We included all cases of PV in patients under 14 years of age observed in our department from 1981 to 1995. All cases were diagnosed on the basis of clinical criteria and were confirmed by microscopic examination. Results : From 1981 to 1995 we encountered 32 cases of PV in children, compared with 637 cases in adults; thus children represented 4.7% of all cases. The ratio of male to female was l. 7:1. Among the age groups, the incidence was the highest in the 10-14 years(43%). The monthly prevalence was the highest in August. Distribution of the lesions were the face(40.9%), neck (25%), chest(13.6%), back(11.3%), extremities(6.8%) and abdomen(2.2%). The incidence of hypopigmented lesions was 70.4% and that of hyperpigmented lesions was 29.6%. Conclusion : This study confirms that the face is a predilectionl site for PV in children and all facial lesions are hypopigmented. Other clinical features are variable and similar to those of adults. (Kor J .Dermatol 1997;35(3): 431-434)
강효준 ( Hyo Jun Kang ),박준환 ( Joon Hwan Park ),왕한영 ( Han Young Wang ),성호석 ( Ho Suk Sung ) 대한피부과학회 1996 대한피부과학회지 Vol.34 No.3
We report a case of Kyrle's iisease occurring in a 60-year-old woman with chronic renal failure. The patient had multiple hyperkeratotic papules with a central plug on the back, and in the upper and lower extremities. Histopathological findings showed epidermal invagination filled with parakeratotic column and basophilic debris. Many dyskeratotic and vacuolated cells were present below the keratotic plug, and penetration of the parakeratotic column into the dermis was seen. (Kor J Dermatol 1996;34(3): 472-475)
강효준(Hyo-Jun Kang),김경민(Kyung-Min Kim),정진우(Jin-Woo Jeong) 대한전자공학회 2022 대한전자공학회 학술대회 Vol.2022 No.11
This paper presents a real-time fierce dog detection model based on YOLOv5, a type of one stage detection algorithm. The YOLOv5 model is often used for real-time object detection because of its fast speed. In this work, Tsinghua Dogs Dataset, which has a total of 130 species and 70,428 image data, 1,079 fierce dogs designated by law, and 5,519 dogs from 17 species that exist the most in Korea were used for actual model learning. Finally, for real-time fierce dog detection, we implemented the web service by converting the weight file of the YOLOv5 model into a tensorflow.js-compatible format.
박준환(Joon Hwan Park),강효준(Hyo Jun Kang),왕한영(Han Young Wang),성호석(Ho Suk Sung) 대한피부과학회 1995 대한피부과학회지 Vol.33 No.1
We report two cases of vulvar syringorna in a 40-year-old women and a 28-year-old woman who had 2-3mm sized, brownish papules on both valvar areas an l-3rnm sized, yellow-brownish papules on both vulvar ares with yellowish milia-like lesion the surface, respectively. Microscopically the lesions revealed characteristic findings of syrinzoiza However the second case showed a small cystic duct in the papillary dermis, which is lineilly a stratified epithelium and filled with concenteric lamellae of keratin. (Kor J Dematol 1995; 33(1) 193-196)