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( Ki Rang Moon ),( Sook Jung Yun ),( Seong Jin Kim ),( Seung Chul Lee ),( Young Ho Won ),( Jee Bum Lee ) 대한피부과학회 2014 대한피부과학회 학술발표대회집 Vol.66 No.2
Background: Actinic keratosis(AK), also known as solar keratosis, are common lesions on the sun-exposed skin of elderly patients. The most important risk factor is thecumulative sun exposure. As an aging population rises, prevalence of AK increases with advancing age. Objectives: To analyze the clinical and epidemiological features of actinic keratosis(AK) in outpatient of Chonnam National University Hospital(CNUH). Methods: We reviewed all of the AK cases diagnosed of clinical and pathological examination in the Department of Dermatology at the CNUH from 2003 to 2013 retrospectively. Results: Total 288 patients of the AK diagnosed from 2003 to 2013. Of these, 94(32.6%) and 194(67.3%) were male and female patients, respectively. Patients’ average age was 76.5 years. The mean duration of disease was 29.3 months. Most patients (180 cases, 40.0%) had a single lesion, and there were 55 patients with more than 3 lesions. Of the total (450 cases), 91.6% (412 cases) of the lesions were located on the face, especially on cheeks (56.9%, 256 cases) and on nose (10.2%, 46 cases), in order. The patients were treated by cryotherapy(269, 59.7%), followed by excision(129, 28.7%) and CO2 laser (30, 6.7%), topical agents with imiquimod 5%(22, 4.9%) and photodynamic therapy using methyl aminolevulinate (8, 1.8%). Of 288 patients, 17 patients (5.9%) were accompanied by the skin cancers. Conclusion: The survey leads us to identify the epidemiologic and clinical feature of AK in Gwangju-Chonnam area.
P077 : The effectiveness of light emitting diode(LED) with 592nm yellow light for photoaged skin
( Ki Rang Moon ),( Young Jee Kim ),( Seon Yong Park ),( Hyuck Hoon Kwon ),( Sook Jung Yun ),( Dae Hun Suh ),( Jee Bum Lee ) 대한피부과학회 2014 대한피부과학회 학술발표대회집 Vol.66 No.2
Background: As aging occurs, skin gets more wrinkles and pigmentation, becomes drier and loses its elasticity. Those changes of the skin indicate substantial damage due to UV radiation. In previous reports, LED phototherapy proved to stimulate collagen synthesis and accelerate fibroblast- myofibroblast transformation which displays a composite rejuvenation effect. Objectives: To evaluate the rejuvenation effectiveness and safety of LED phototherapy with yellow light for photoaged skin. Methods: 39 patients with photoaged skin (Korean photographic scale; grade 4~7) were enrolled and treated with a LED device irradiating 592nm yellow light for 5 minutes twice a week for 1 month. And sun-damage reduction wasassessed at 0, 2, 4, and 8 weeks by clinical photographs and the Cutometer® & Mexameter®(MPA 580, Courage +Khazaka Electronic GmbH, Koln, Germany). Results: At final visit at 8 weeks, the Cutometer® parameters R2, R5, and R7 were significantly decreased compared to before treatment, from 0.699 to 0.661 (cheek, p=0.004), 0.547 to 0.429 (cheek, p=0.002), 0.359 to 0.315 (nasolabial fold, p=0.003), respectively. Also, the melanin index(MI) were decreased significantly, from 142.1 to 130.9 (glabella, p=0.005). No severe adverse reactions were occurred. LEDphototherapy with 592nm yellow light can be effective and safe in the treatment of photoaged skin. Conclusion: The findings suggest the LED with 592nm yellow light might be an adjuvant therapeutic tool for photoaged skin.
( Ki-rang Moon ),( Sook Jung Yun ),( Jee-bum Lee ),( Seong-jin Kim ),( Young Ho Won ),( Seung-chul Lee ) 대한피부과학회 2016 大韓皮膚科學會誌 Vol.54 No.7
Poikiloderma of Civatte (PC) is a common, acquired condition that affects the face, neck, and upper chest of elderly persons due to life-long sun exposure. Poikiloderma describes skin manifestations of atrophic and telangiectatic lesions with pigmentary changes. We experienced three cases of patients who visited our department due to whitish patches on the anterior neck, which had been treated as vitiligo at private dermatological clinics. The patches mimicked vitiligo to the naked eye due to their color and relatively well-demarcated margin, but they were not accentuated under Wood’s light. On MART-1 staining, there was no loss of melanocytes in the basal cell layer of the epidermis. Leukoderma on the anterior neck might be produced due to contrast with the neighboring skin showing PC. Based on our experiences, we propose a new dermatological term, ‘leukoderma nuchae (LN)’, to describe the spared zone of PC, to aid in differentiating this condition from vitiligo. (Korean J Dermatol 2016;54(7):566∼570)
A case of foreign body granuloma caused by subcutaneous injection of leuprorelin acetate
( Ki Rang Moon ),( Hee Sun Lim ),( Jee Bum Lee ),( Seong Jin Kim ),( Seung Chul Lee ),( Young Ho Won ),( Sook Jung Yun ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.1
Leuprorelin acetate is a synthetic analogue of luteinizing hormone-releasing hormone(LHRH). Recently, hormone-dependent tumors(prostate cancer and breast cancer) have been treated without surgery by using this LHRH agonist. A-74-year-old man presented with subcutaneous tumor on his abdomen. He detected it 1 day ago. Physical examination revealed an asymptomatic skin colored 4 x 5 cm sized subcutaneous tumor on the right abdomen. Ultrasonography demonstrated tubular and nodular cystic lesion in subcutaneous layer, so the radiologist made the clinical diagnosis of an epidermal cyst. On his history, he had received subcutaneous injection of depot leuprorelin acetate 2 months ago and radiotherapy for his prostate cancer. The subcutaneous tumor was totally removed. And histopathologic findings revealed necrosis of fat tissue, many granulomatous nodules composed of giant cells with vacuoles in the dermis and subcutis, and inflammatory cells infiltrate, including mainly lymphohistiocytes. We diagnosed it as a foreign body granuloma due to depot injection of leuprorelin acetate. And he re-visited our hospital after 1 month with subcutaneous tumor on Lt. upper arm. He received subcutaneous injection of leuprorelin acetate 1 week ago on that site. We treated him with intralesional triamcinolone injection(2.5mg/ml). Here in, we report a case of granulomatous reaction which produces a subcutaneous nodules.
A multicenter prospective study of subtype and clinical features of rosacea in Korea
( Ki Rang Moon ),( Jee Bum Lee ),( Young Chul Kye ),( Kwang Joong Kim ),( Nack In Kim ),( Young Suck Ro ),( Kui Young Park ),( Mi Youn Park ),( Margaret Song ),( Kyu Joong Ahn ),( Hyo Hyun Ahn ),( Mi 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.2
Background: Rosacea is a common chronic inflammatory skin condition. Although several epidemiologic and etiologic studies on Caucasians with large-sized samples have been established, data concerning Asians is quiteinsufficient. Objectives: To evaluate the prevalence, subtype classification, severity, aggravating factors and the degree of recognition of rosacea in Korean patients through a multicenterprospective study. Methods: We evaluated 580 patients who were diagnosed as rosacea from October 2014 to February 2015 at 14 university hospitals. The standard classification and grading system suggested by the National Rosacea Society(NRS) Expert Committee was used.Results: Of the 580 rosacea patients, 71% were females and 29% were males. Forties and fifties accounted for 52.1% of the total patients. While 84.1% of patients revealed single subtypes 15.9% of patients revealed mixed subtypes. Within subtypes, erythematotelangiectatic rosacea(ETR) was the most prevalent. The most common anatomic site was the face. 55.4% of mixed subtype patients elucidated progression from one subtype to another. Progression from ETR to papulopustular rosacea(PPR) was the most common. 77.6% of patients revealed mild. The most common aggravating factor of rosacea was emotional changes(51.6%) and stress(48.3%). Conclusion: By identifying the epidemiologic and etiologic features of Korean rosacea patients, we could suggest useful clinical datas for research, education and announcement of rosacea patients.
Leuprorelin Acetate 피하주사 이후 발생한 이물 육아종
문기랑 ( Ki Rang Moon ),임희선 ( Hee Sun Lim ),이지범 ( Jee Bum Lee ),김성진 ( Seong Jin Kim ),이승철 ( Seung Chul Lee ),원영호 ( Young Ho Won ),윤숙정 ( Sook Jung Yun ) 대한피부과학회 2016 대한피부과학회지 Vol.54 No.8
Leuprorelin acetate is a synthetic analog of luteinizing hormone-releasing hormone (LHRH). Recently, hormonedependent tumors (prostate cancer and breast cancer) have been treated without surgery using this LHRH agonist. A 74-year-old man presented with a subcutaneous tumor in the abdomen. He had received a subcutaneous injection of depot leuprorelin acetate 2 months previously and radiotherapy for prostate cancer. The subcutaneous tumor was totally excised. Histopathologic findings revealed necrosis of fat tissue, many granulomatous nodules composed of giant cells with vacuoles in the dermis and subcutis, and inflammatory cell infiltrates, including mainly lymphohistiocytes. A diagnosis of foreign body granuloma due to depot injection of leuprorelin acetate was made. He revisited our hospital after 1 month with a subcutaneous tumor on his Lt. upper arm. He had received a subcutaneous injection of leuprorelin acetate 1 week ago on that site. We treated it with intralesional triamcinolone injection. Here, we report a case of granulomatous reaction due to leuprorelin acetate injection, which produced subcutaneous nodules. (Korean J Dermatol 2016;54(8):634∼637)
문기랑 ( Ki-rang Moon ),윤숙정 ( Sook Jung Yun ),김성진 ( Seong-jin Kim ),이승철 ( Seung-chul Lee ),원영호 ( Young Ho Won ),이지범 ( Jee-bum Lee ) 대한피부과학회 2016 大韓皮膚科學會誌 Vol.54 No.6
Epidermolysis bullosa acquisita (EBA) is an autoimmune subepidermal blistering disease characterized by the presence of circulating IgG autoantibodies to type VII collagen. Various types of autoimmune blistering disease have been reported in association with psoriasis. A 58-year-old man with a 5-year history of psoriasis vulgaris presented with painful and mildly pruritic erythematous multiple bullae and vesicles. Histopathologically, there was a subepidermal bulla with infiltration of inflammatory cells composed of neutrophils and eosinophils. The salt-split skin indirect immunofluorescence test showed IgG binding to the dermal side of the separation, and immunoblotting using normal human dermal extract revealed antibodies directed against a 290-kDa polypeptide. He was diagnosed with EBA and started medication of oral prednisolone and mycophenolate mofetil. Skin lesions were continuously regressed. Of all the autoimmune blistering diseases coexisting with psoriasis, bullous pemphigoid is the most frequent. However, a few cases of EBA associated with psoriasis have been reported in the literature. We report a rare case of EBA coexisting with psoriasis vulgaris. (Korean J Dermatol 2016;54(6):464∼467)