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논문 기본 정보

자료유형
학술저널
저자정보
김세종 (중앙의대 방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제23권 제4호
발행연도
1987.1
수록면
608 - 613 (6page)

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It is well known that acute appendicitis is the most common cause of emergency of the abdomen. The mortality rate of acute appendicitis has considerably declined during the past decades, but the diagnostic accuracy is still 70 to 82%, and moreover 54 to 65% in the young women. Various radiologic examinations have been proposed to improve diagnostic accuracy. Scout films of the abdomen and barium examinations have all proved to be of some value but are not generallyempolyed. The purpose of this study was to improve the diagnostic accuracy and to make early diagnosis of acute appendicitis using ultrasonography. High resolution real time ultrasonography was performed in 39 patients with clinically suspected acute appendicitis at the depertment of Radiology, St. Mary's Hospital, Catholic Univ. Medical College from May to July 1987. Ultrasonographic findings, operative findings and results of clinical follow-up of acute appendicitis were analyzed and correlated. RESULTS : 1. Ultras nographic finding of acute appendicitis was visualization of appendix with thickened wall and distenede lumen. In the acute appendicitis the thickness of wall was 4.5$\pm$2.02mm and even in 84.6%. The diameter of distended lumen was 6.58$\pm$2.33. 2. Anechoic area over the appendix was thought to be a sign of periappendiceal abscess. 3. Although no echolucency was demonstrated around the appendix, perforation of appendix should be suspected when thickening of the appendiceal wall was asymmetrical and exxentric without luminal distension. 4. Ultrasonography had an 88.9% sensitivity, an 89.5% specificity and an 89.2% accuracy. 5. Ultrasonogrphy is felt to be very accurate and effective method in the diagnosis of acute appendicitis.

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