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특발성 망막앞막, 황반원공에서 유리체 절제술 후 주입한 가스 종류에 따른 백내장 진행
안자영(Ja young Ahn),김체론(Che Ron Kim),공민귀(Min gui Kong),한용섭(Yong Seop Han),정인영(In Young Chung),박종문(Jong Moon Park) 대한안과학회 2016 대한안과학회지 Vol.57 No.11
목적: 특발성 망막앞막과 황반원공 환자에서 유리체 절제술 후 주입한 가스의 종류에 따른 백내장의 진행 정도를 알아보고자 하였다. 대상과 방법: 유리체 절제술 후 액체/공기 교환술(Group 1), 20% SF6 주입술(Group 2)을 시행 받은 환자를 대상으로 수술 전과 수술 후 1, 2, 4, 6, 12개월째의 Lens Opacities Classification System (LOCS) III 분류를 이용한 핵경화도, 굴절력(구면대응치)을 측정하였다. PentacamⓇ 샤임플러그 이미지를 image J 프로그램을 이용하여 mean nuclear density와 maximal nuclear density를 측정하여 비교 분석하였다. 결과: 총 40명, 40안 중 액체/공기 교환술만 시행한 환자(Group 1)는 21안, 20% SF6 가스를 주입한 환자(Group 2)는 19안이었다. 두 군 모두 수술안이 비수술안에 비해 mean nuclear density와 maximal nuclear density, LOCS III를 이용한 백내장 진행의 분석에서 핵경화의 진행이 빨랐다. 가스의 종류에 따른 비교에서 mean nuclear density는 수술 후 4개월째 두 군의 유의한 차이를 보였으며, maximal nuclear density는 수술 후 2개월과 4개월째 두 군의 유의한 차이를 보였다. LOCS III는 수술 후 2개월과 4개월째, 구면대응치는 수술 후 1개월부터 6개월까지 두 군에서 통계적으로 유의한 차이를 보였다. 결론: 유리체절제술 전과 수술 후의 백내장 진행 정도는 주입한 가스와 관계없이 수술안이 비수술안에 비해 핵경화의 진행이 빨랐다. 20% SF6 주입술(Group 2)을 시행 받은 군에서 핵경화의 진행이 더 빨리 일어난 것을 확인하였으나 수술 후 12개월에는 가스의 종류에 상관없이 핵경화의 변화 정도는 비슷했다. <대한안과학회지 2016;57(11):1745-1751> Purpose: To investigate the outcomes of quantitative lens nuclear opalescence change after pars plana vitrectomy and intravitreal gas injection in patients with idiopathic epiretinal membrane and macular hole. Methods: All patients were divided into two group according to the kinds of injected gases, either Group 1 (fluid/air exchange) or Group 2 (20% SF6 gas injection). Lens nuclear opalescence according to the classification of Lens Opacities Classification System (LOCS) III, mean nuclear density and maximal nuclear density of Pentacam?? scheimpflug image changed by image J, besides refractive errors were evaluated before surgery and 1, 2, 4, 6, and 12 months after surgery. Results: Out of 40 eyes of 40 patients included in the analysis, 21 received only fluid/air exchange (Group 1) and 19 received 20% SF6 gas injection (Group 2). There were significant changes in lens nuclear opalescence between the study and control (unaffected) eyes. In both groups, the study eyes experienced significant progression of cataract compared with the control eyes, in terms of mean nuclear density, maximal nuclear density and LOCS III. In comparison according to the kinds of injected gases, there was a significant difference in mean nuclear density after 4 months, maximal nuclear density after 2 months and 4 months, LOCS after 2 months and 4 months, and refractive error after 1, 2, 4, and 6 months between both groups (p = 0.003). Conclusions: After vitrectomy and intravitreal gas injection, changes in postoperative lens nuclear opalescence of the study eyes progressed more rapidly compared with the control eyes. This study identified that lens nuclear opalescence of Group 2 progressed rapidly, but after 12 months there was no significant difference of lens opacity between the kinds of injected gases. J Korean Ophthalmol Soc 2016;57(11):1745-1751
휴먼 오피니언 자동 분류 시스템 구현을 위한 비결정 오피니언 형용사 구문에 대한 연구
안애림(Aelim Ahn),한용진(Yong-Jin Han),박세영(Se-Young Park),남지순(Jee-Sun Nam) 한국정보과학회 2011 한국정보과학회 학술발표논문집 Vol.38 No.1C
본 연구에서는, 웹 문서로부터 특정 상품에 대한 의견 문장을 분석하는 오피니언 마이닝(Opinion Mining) 연구의 일환으로, 특히 함께 공기하는 자질 명사에 따라 그 극성 값이 달라지는 ‘비결정 오피니언어휘’의 처리를 위해서 도메인을 ‘맛집’으로 한정하여 공기하는 도메인 키워드의 목록을 결정하고, 이를 부분문법그래프(Local Grammar Graphs) 방법론을 통해서 이들 간의 어휘·통사적 관계를 결정해 주었다.
증례 : 류마티스 ; 종양으로 오인될 수 있는 결절성 근육 유육종증 1예
안세한 ( Se Han Ahn ),김민수 ( Min Su Kim ),한민성 ( Min Sung Han ),윤정호 ( Jung Ho Yoon ),국은희 ( Eun Hee Kook ),전세용 ( Se Yong Jeon ),김철현 ( Cheol Hyeon Kim ) 대한내과학회 2011 대한내과학회지 Vol.80 No.2
The nodular form of muscular sarcoidosis is a rare malady that is often confused with a soft-tissue neoplasm or other lesion. Here, we present a case of nodular muscular sarcoidosis in the arms and legs of a 59-year-old woman. She presented at our hospital with a painless nodule in her left arm. Excision was performed and she was diagnosed with sarcoidosis. One year later, nodular sarcoidosis recurred in her arms and legs. After 2 months of steroid medication, the nodules disappeared. The patient has been followed for 2 years and no evidence of recurrence has been observed. (Korean J Med 2011;80:247-249)
안신영 ( Shin Young Ahn ),박재윤 ( Jae Yoon Park ),이성우 ( Seong Woo Lee ),정종철 ( Jong Cheol Jeong ),정지용 ( Ji Yong Jung ),오국환 ( Kook Hwan Oh ),김연수 ( Yon Su Kim ),안규리 ( Cu Rie Ahn ),한진석 ( Jin Suk Han ),김성권 ( Su 대한신장학회 2010 Kidney Research and Clinical Practice Vol.29 No.2
Purpose: C1q nephropathy (C1qN) is a rare glomerulonephritis characterized by mesangial deposits, predominantly C1q, without the evidence of systemic lupus erythematosus (SLE). It showed various clinical courses, however, the clinicopathologic features of C1qN have not been well defined as yet. Methods: We retrospectively reviewed the clinicopathologic features of 11 patients (0.8%) diagnosed as C1qN among 1,403 patients aged 18 years who had undergone renal biopsy due to primary glo ≥-merular disease from Jan. 2000 to Jan. 2009. Diagnostic criteria of C1qN were as follows; 1) the presence of dominant or co-dominant immunofluorescence staining for C1q in the mesangium, 2) corresponding mesangial dense deposit by electron microscopy, and 3) lack of clinical evidence of SLE. Results: The male-to-female ratio was 6:5 and their mean age was 41.1±22.6 yrs (range, 19-69 yrs). Eight patients presented with urinary abnormalities and three with nephrotic syndrome. At the time of biopsy, three patients had hypertension. The mean value of 24-hour urine protein was 4.4±5.5g/day (range, 0.5-18.5g/day). On light microscopy, normal glomerular architecture (4/11) and segmental sclerosis (7/11) were observed. Complete or partial remission was achieved in six of the seven patients treated with immunosuppressive agents (steroid and/or immunosuppressants). Among these patients, two using steroid monotherapy had relapsed. The mean follow-up duration was 14±11 months (range, 2-31 months) and renal function deterioration was observed in three patients. Conclusion: C1qN showed various clinical manifestations and prognosis. Therefore, additional studies are needed to fully define the clinicopathologic features.
안상봉 ( Sang Bong Ahn ),한동수 ( Dong Soo Han ),박혜선 ( Hye Sun Park ),김태엽 ( Tae Yeob Kim ),은창수 ( Chang Soo Eun ),전용철 ( Yong Cheol Jeon ),손주현 ( Joo Hyun Sohn ) 대한소화기학회 2010 대한소화기학회지 Vol.55 No.3
Segmental colitis associated with diverticular disease (SCAD) is a colonic inflammatory disorder with localized non-granulomatous inflammation at sigmoid colon, and associated with colonic diverticulosis. SCAD is an apparently uncommon disorder in Western. We experienced a rare case of SCAD in a 46-year-old woman who visited the hospital due to abdominal discomfort. Colonoscopic examination showed multiple sigmoid diverticula in association with a segment length colitis. Colonoscopic biopsies of the sigmoid colon demonstrated cryptitis and crypt abscess along with chronic inflammatory cells infiltration. The biopsies of the rectum was histologically normal. The patient was given the diagnosis of SCAD and treated with oral mesalamine. This is the first case of SCAD reported in Korea. (Korean J Gastroenterol 2010;55:189-193)