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A Case of Recurrent Superficial Acral Fibromyxoma
Ja Woong Goo,Ye Jin Jung,Jae Hong Kim,Sung Yul Lee,Sung Ku Ahn 대한피부과학회 2010 Annals of Dermatology Vol.22 No.1
Superficial acral fibromyxoma (SAFM) is a rare myxoid tumor that was first described in 2001. The presence of a very slow growing solitary tender mass in the subungual area is the typical clinical feature at presentation. Histopathologically, SAFM is composed of stellate cells in a myxocollagenous matrix with a poorly circumscribed margin. This tumor is thought to be benign, but its natural course is not fully understood. We describe a 15-year-old patient with recurrent SAFM and discuss the proper treatment and follow up. (Ann Dermatol 22(1) 110∼113, 2010)
Cross Polarizing Photography를 이용한 여드름의 임상적 평가
구자웅 ( Ja Woong Goo ),최응호 ( Eung Ho Choi ) 대한피부과학회 2007 大韓皮膚科學會誌 Vol.45 No.8
Background: Photography is one of the most objective methods in the clinical evaluation of acne. To standardize the quality of photographs, it is essential to standardize variables including focus distance, exposure time, posture and removal of flash glare but this is still insufficient. Cross polarizing photography (CPP) with a stereotactic device (STD) is a possible solution. Objective: This study was conducted to determine the feasibility of photographic assessment using CPP with STD instead of direct inspection in Korean acne patients. Methods: Sixty patients with acne (mean age=23.4, M=29, F=31) were enrolled in this study. Pictures using CPP with STD were taken three times during a 4-week period. Inflamed acne lesions that were counted at each visit were compared to the photographic assessment in a double-blind manner. To assess the quality of the picture, conventional photographs using a digital camera were also taken. Results: The coefficient of correlation between direct lesional counting and photographic counting was 0.80. Photographic counting showed slightly higher results than direct counting. There was also a high coefficient of correlation (ranging from 0.78 to 0.85) among the inter-rater correlation which was 0.92. Photographs taken by CPP with STD showed an excellent quality in evaluating inflamed lesions of acne. Reduced glare and exact posture allowed for the detection of subtle lesions, that could not be seen in conventional pictures. Conclusion: Photography using CPP with STD is an objective, convenient and reproducible method for Korean acne patients. This method can be applied in evaluation of therapeutic response in clinics and clinical studies. (Korean J Dermatol 2007;45(8):778∼784)
Pseudomonas aeruginosa에 의한 혈구탐식증후군
구자웅 ( Ja Woong Goo ),오윤석 ( Yoon Seok Oh ),최응호 ( Eung Ho Choi ),안성구 ( Sung Ku Ahn ) 대한피부과학회 2006 대한피부과학회지 Vol.44 No.12
Hemophagocytic syndrome is a rare complication of a systemic infection that can have a fatal outcome. The skin manifestations can present as erythematous patches or nodules, purpura, ulcers, or edema. But the histopathologic features solely consist of infiltration of benign histiocytes and hemophagocytosis. We report a case of a 67 year-old male patient diagnosed with hemophagocytic syndrome caused by Pseudomonas aeruginosa infection. (Korean J Dermatol 2006;44(12):1430~1433)
소아 형제에서 연속적으로 발생한 급성 전신성 발진성 농포증
구자웅 ( Ja Woong Goo ),최응호 ( Eung Ho Choi ) 대한피부과학회 2007 대한피부과학회지 Vol.45 No.3
Acute generalized exanthematous pustulosis (AGEP) is clinically characterized by the abrupt onset of erythema, non-follicular superficial pustules, fever and rapid spontaneous healing. Other findings such as peripheral neutrophilia and histologically neutrophilic spongiosis and microabscess also suggest AGEP. Its cause was focused on drug and viral infection, but the latter lacks objective evidence as a causative factor. We report two cases of AGEP that serially occurred in siblings without obvious drug history, which strongly suggests there is a possibility that AGEP could be caused by viral infection. (Korean J Dermatol 2007;45(3):271~274)
최진규 ( Choi Jin Kyu ),구자웅 ( Goo Ja Woong ),손재권 ( Son Jae Gwon ),조재영 ( Cho Jae Young ),윤광식 ( Yoon Kwang Sik ),한국헌 ( Han Kuk Heon ) 한국농공학회 2001 한국농공학회 학술대회초록집 Vol.2001 No.-
The study was carried out to investigate the water balance and losses of nutrients from paddy fields during cropping period. The size of paddy fields was 95 ha and the fields were irrigated from a pumping station. The runoff loading was the highest in June because of the high concentrations of nutrients due to applied fertilizer. When the runoff losses of nutrients were compared to applied chemical fertilizer, it was found that 39.1 % to 42.5 % of nitrogen lost via runoff while runoff losses of phosphorus account for 6.3 % to 8.0 % of the total applied amount during cropping period. When the ratio was calculated between nutrients losses by infiltration and the applied of chemical fertilizer, two year results showed 9.1 % to 10.7 % for nitrogen and 0.2 % for phosphorus, respectively.
( Hong Kyu Lim ),( Jung Boom Hong ),( Cheol Woong Choi ),( Dae Hwan Kang ),( Hyung Wook Kim ),( Ja Jun Goo ),( Peel Jung ),( Sook Kyoung Oh ) 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: This study compares the effi cacy and safety between the endoscopic direct vision technique self expanding metal stent (endoscopy group) and fi uoroscopy guided self expanding metal stent (fi uoroscopy group) in malignant stricture. Methods: A total of 118 patients, 94 from the fi uoroscopy group and 24 from the endoscopy group, who underwent self expanding metal stent (SEMS) between January 2009 and December 2013, were reviewed retrospectively on single center experience. Each procedure time and fiuoroscopic guided time were measured. Early and late complications, such as tumor, tissue overgrowth, migration, retrosternal pain and perforation, were recorded. Dysphagia before and after stent placement was scored on a 5-point scale. Results: We analyzed 118 patients (18 women: mean age 69±10. 7) with dysphagia due to inoperable esophageal stricture of which 58 for squamous cell carcinoma, 58 for adenocarcinoma and 2 for extrinsic compression. The mean procedure time of endoscopy and fi uoroscopy group were 6. 0±1. 2 min and 15. 0±4. 8 min (p Conclusions: It is safe to perform SEMS under endoscopic control without fi uoroscopy. This confi rms the endoscopic direct vision technique SEMS as an effective method for palliative treatment of malignant esophageal dysphagia.
오윤석 ( Yoon Seok Oh ),김민정 ( Min Jeong Kim ),구자웅 ( Ja Woong Goo ),전수영 ( Soo Young Jeon ),박하나 ( Ha Na Bak ),안성구 ( Sung Ku Ahn ) 대한피부과학회 2007 대한피부과학회지 Vol.45 No.6
Cutaneous lymphadenoma (CL) is a rare, benign, epithelial neoplasm with a prominent lymphocyte infiltration of unknown histogenesis. Both pilosebaceous and eccrine origins have been suggested, and the current view is that CL is a variant of trichoblastoma with adamantinoid features. We report a case of cutaneous lymphadenoma which developed on the left postauricular area of a 46-year-old woman, plus a review of the related literature. (Korean J Dermatol 2007;45(6):603∼607)