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- 저자 : 어지안 ( Ji An Uh ) (검색결과 3 건)
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어지안 ( Ji An Uh ),이수경 ( Soo Kyung Lee ),이운하 ( Un Ha Lee ),김명신 ( Myoung Shin Kim ) 대한피부과학회 2023 대한피부과학회지 Vol.61 No.10
Background: Although the older adult population in Korea is growing, few studies have investigated the profile of late-onset vitiligo (onset at 50 years of age or above) to date. Objective: The present study aimed to describe the clinical characteristics and course of patients with late-onset vitiligo in Korea. Methods: The present single-center retrospective study included 132 patients with late-onset vitiligo from January 1, 2009 to November 30, 2022. We analyzed patient demographics and vitiligo characteristics. Further, we evaluated the progress of late-onset vitiligo using the Vitiligo Area Severity Index (VASI) score. Results: The study included more females (n=83, 62.9%) than males (n=49, 37.1%), with an average age of onset 60.9±7.4 years. The average duration of the disease before presentation was 15.0±27.3 months. A family history of vitiligo was identified in eight patients (6.1%), and seven patients (5.3%) had associated autoimmune diseases. Acrofacial vitiligo was the most common type (n=56, 43.1%), and the head and neck area were the commonly affected site at disease onset (n=93, 70.5%). The Koebner phenomenon was observed in seven patients (5.3%), and chemical-induced vitiligo was suspected in three patients (2.3%). Treatment was administered to 131 patients (99.2%). The VASI score decreased in 93 patients (83.0%), with an average decline rate of 58.56%. Conclusion: Late-onset vitiligo tends to be of the acrofacial vitiligo subtype in the Korean population. Patients demonstrated a strong desire to treat vitiligo, and treatment response was promising. Further larger-scale studies to elucidate the characteristics and progression of late-onset vitiligo may be needed. (Korean J Dermatol 2023;61(10): 595∼601)
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김호영 ( Ho Young Kim ),어지안 ( Ji An Uh ),김중호 ( Joong Ho Kim ),이재호 ( Jae Ho Lee ),이수경 ( Soo Kyung Lee ),김명신 ( Myoung Shin Kim ),이운하 ( Un Ha Lee ) 대한피부과학회 2021 대한피부과학회지 Vol.59 No.2
Hand-foot-mouth disease (HFMD) is a viral infection that occurs commonly in children. It is characterized by vesicles with surrounding erythema on the extremities and mouth. Most common pathogens are Coxsackievirus A16 and Enterovirus 71. HFMD caused by Coxsackievirus A6 is uncommon and accompanied by more extensive and atypical eruptions. A 42-year-old man presented with erythematous papules and vesicles on the right hand which occurred 7 days prior to presentation. The rash spread extensively with high fever, chills, headache, and myalgia. He also had whitish ulcer-like lesions on the oral mucosa with swallowing difficulty. One day after hospitalization, he developed arthralgia on his shoulders, pelvis, knees, and fingers. The biopsy specimen showed an intraepidermal blister with reticular degeneration, epidermal necrosis, and neutrophilic infiltration. There were no inclusion cells or giant cells. The serum antibody titer of Coxsackievirus A6 showed a significant increase, at 64 times. He was diagnosed with HFMD caused by Coxsackievirus A6. (Korean J Dermatol 2021;59(2):132∼135)
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12세 남아의 허벅지에 발생한 비전형적 섬유황색종 1예
김중호 ( Joong Ho Kim ),어지안 ( Ji An Uh ),이재호 ( Jae Ho Lee ),이수경 ( Soo Kyung Lee ),김명신 ( Myoung Shin Kim ),이운하 ( Un Ha Lee ) 대한피부과학회 2021 대한피부과학회지 Vol.59 No.7
Atypical fibroxanthoma (AFX) is a rare fibrohistiocytic tumor usually observed on ultraviolet light-exposed areas of the body, such as the face or scalp in elderly individuals. Despite its clinically benign course, AFX presents with malignant features on histopathological evaluation. A 12-year-old male adolescent presented with a 3-month history of an asymptomatic, skin-colored, oval-shaped nodule on his right thigh. Histopathological examination showed a dermal tumor adjacent to the epidermis, without epidermal invasion. The tumor was composed of numerous pleomorphic spindle cells and large atypical histiocytes with abundant vacuolated cytoplasm and pleomorphic nuclei. Immunohistochemical analysis revealed tumor cells, which were immunopositive for vimentin, CD68, CD10 and immunonegative for desmin, pan-cytokeratin antibody (AE1/AE3), and S-100. Therefore, the patient was diagnosed with AFX. We report a rare case of AFX that occurred on the thigh (an unusual site) in an adolescent (an uncommon age group). Immunohistochemical analysis is important in patients with suspected AFX, regardless of the patient’s age and site of lesion, for accurate diagnosis to differentiate this condition from other diseases with a similar presentation. (Korean J Dermatol 2021;59(7):550∼554)
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