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유방의 비촉지성 병변에 대한 초음파 유도하 핵 생검의 유용성
유재경,김은경,김미혜,곽진영,오기근,박병우,이경식,Yu, Jae-Gyeong,Kim, Eun-Gyeong,Kim, Mi-Hye,Gwak, Jin-Yeong,O, Gi-Geun,Park, Byeong-U,Lee, Gyeong-Sik 대한영상의학회 2002 대한영상의학회지 Vol.46 No.6
Purpose: To determine the usefulness of ultrasound-guided core biopsy for the diagnosis of non-palpable beast lesions. Materials and Methods: Between April 1996 and December 2000, 932 lesions in 901 patients were the object of ultrasound-guided core biopsy. Of these, 440 non-palpable lesions ranging in size from 0.3 to 3.0 (average, 0.9)cm, and found in 428 patients (all women aged, on average, 43.9 years), were included in this study. The pathologic results of core biopsy were compared with the available surgical data, and clinical and radiologic follow-up data were also reviewed. A 16-gauge needle was used in 197 lesions, and a 14-gauge neadle in the other 243. Results: At core biopsy, 53 lesions were diagnosed as invasive carcinoma, and 45 of these were excised. Forthfour were confirmed as invasive carcinoma, and in one case there was no residual tumor. Seven lesions, diagnosed as ductal carcinoma in situ at core biopsy, were surgically removed, and the final diagnosis was ductal carcinoma in four cases and invasive carcinoma in two. Two of four cases initially diagnosed as atypical ductal hyperplasia were finally diagnosed as invasive carcinoma after surgery. Six lesions diagnosed at core biopsy as benign were later found to be malignant (false-negative rate, 8.3%). Radiologic imaging suggested that all six lesions- for two of which, a 14-gauge needle was used, and for four, a 16-gauge needle-were malignant. The false -negative rate was 5.1% and 12%, respectively, whithout statistical significance (p=0.26). Conclusion: Ultrasound-guided core needle biopsy for non-palpable breast lesions is useful and can replace surgical excision. To avoid false-negative assessment, however, strict radiologic-histopathologic correlation is required.
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유재경 ( Yu Jae Gyeong ),이순례 ( Lee Sun Lye ) 한국유아체육학회 2003 한국유아체육학회지 Vol.4 No.-
The main purpose of this study was to examine safety accidents during physical activity time with young children. Specially, the purposes were: 1) to examine the rates of safety accidents during physical activity time; 2) to investigate the causes of safety accidents; 3) to examine early childhood physical teachers` perception and practices regarding safety precautions; 4) to investiate early childhood physical teachers` education for safety. Results of this study can be summarized as follows: First, most early childhood physical teacher(79.5%) experienced safety accidents. Second, the major cause of safety accidents was children`s factor(57.1%). Third, early childhood physical teacher had high level of perception and practices regarding safety education for young children. Fourth, 36% of early childhood physical teachers had not any kind of education for safety. Early childhood physical teachers believed that teacher education for safety could pevent safety accidents.
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