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( Bum Joon Ko ),( Seung Il Choi ),( Sang Jin Oh ),( Kyung O Kim ),( Jong Suk Lee ),( Sang Hoon Lee ),( Moon Kyun Cho ) 대한피부과학회 2013 대한피부과학회 학술발표대회집 Vol.65 No.2
Background: Diabetes is characterized by chronic hyperglycemia, and hyperglycemia could Increase Reactive Oxygen Species (ROS) production from the mitochondrial electron transport chain. The formation of ROS in cells induces oxidative stress and activates oxidative damage-inducing genes. There is no research on oxidative damage-related genes AKR1C3 protein levels in human diabetic skin. We explored the expression of AKR1C3 in diabetic skin compared with normal skin tissue. Objectives: To compare the expression of AKR1C3 in normal skin versus diabetic skin. Methods: AKR1C3 expression was evaluated by western blotting in 6 diabetic skin tissue samples and 6 normal skin samples. Immunohistochemical staining was carried out to analyze AKR1C3 expression in the 6 diabetic skin tissue samples. Results: The western blotting showed a significant reduction in AKR1C3 protein expression in diabetic skin tissue compared to normal tissue. Immunohistochemical examination of AKR1C3 showed that it was weakly expressed in all diabetic skin samples. Conclusion: We believe that AKR1C3 is related to diabetic skin in an altered metabolic state which elevates ROS production.
P412 : Giant chondroid syringoma appearing as Large protruding telangiectatic tumor on nose
( Sung Min Park ),( Gun Wook Kim ),( Hyun Ho Cho ),( Won Jeong Kim ),( Margaret Song ),( Hoon Soo Kim ),( Hyun Chang Ko ),( Byung Soo Kim ),( Moon Bum Kim ),( Je Ho Mun ) 대한피부과학회 2014 대한피부과학회 학술발표대회집 Vol.66 No.1
Clinical characteristics of psoriatic arthritis among patients with psoriasis visiting PNUH
( Sung Min Park ),( Jeong Min Kim ),( Gun Wook Kim ),( Margaret Song ),( Hoon Soo Kim ),( Hyun Chang Ko ),( Moon Bum Kim ),( Byung Soo Kim ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.2
Background: The prevalence and clinical characteristics of psoriatic arthritis (PsA) in patients with psoriasis were known to have ethnic variation. However limited data exist on psoriatic arthritis in Korean psoriasis patients. Objectives: To investigate the clinical characteristics of PsA in Korean patients with psoriasis Methods: Patients diagnosed with psoriatic arthritis between 2011 and 2015 at Pusan National University Hospital were included. Clinical characteristics of psoriasis/PsA, comorbidities, and treatment patterns were assessed via physical examination and medical records. Results: Of 29 psoriasis patients diagnosed as PsA, 20were male, 9 female (ratio 2.2:1), and mean age was 46.5 years. Diabetes, hypertension, hyperlipidemia were more common in PsA patients compared with general population. Asymmetric oligoarthritis pattern was the most common manifestation of PsA. Nail change, scalp and intergluteal involvement were found in 72.4%, 86.2% and 53.8% respectively. Methotrexate was the most common treatment modality to treat psoriasis and PsA, followed by non-steroidal anti-inflammatory drugs, biologics, and sulfasalazine. Conclusion: Our study presents the detailed clinical characteristics of PsA in Korean psoriasis patients. These results were similar with previous report in the Korea, but asymmetric oligoarthritis pattern was more common in present study.
( Sang Jin Cheon ),( Jeong Min Kim ),( Gun Wook Kim ),( Margaret Song ),( Hoon Soo Kim ),( Hyun Chang Ko ),( Byung Soo Kim ),( Moon Bum Kim ) 대한피부과학회 2015 대한피부과학회 학술발표대회집 Vol.67 No.2
Background: Lentigo maligna melanoma (LMM) is a raresubtype of melanoma in Korea and usually found on elderly face. In early stage, it is difficult to differentiate from other facial pigmented lesions including senile lentigo, lichen planus-like keratosis, and pigmented actinic keratosis. But till now, report on the characteristic of LMM is not sufficient. Objectives: To find the characteristics of clinical and dermoscopic features LMM in Korea. Methods: Twelve patients with histopathology-proven LMMs were analyzed retrospectively based on their clinical and dermoscopic photos, medical records, and pathologic findings. As controls, senile lentigo (n=12), lichen planus-like keratosis (n=12), and pigmented actinic keratosis (n=12) were also analyzed.Results: Of 12 LMM, 9 were women and 3 were men. The mean age was 68 years (range 36-88) . The lesion was predominantly on the cheek (50%), followed by periorbital (33%) and temporal area (16%). Most (66 %) of lesions showed smooth surface. According to Stolz``s criteria of LMM, asymmetric hyperpigmented follicular opening (66%) was the most common followed by annular-granular pattern (55%), and rhomboidal structure (55%). Also, 55% of lesions presented an increased density of vascular structure Conclusion: The results of this study could be helpful clue to differentiate LMM in Korea from other clinically similar and common skin disorders including senile lentigo, lichen planus-like keratosis, and pigmented actinic keratosis.