급성충수염에 대한 초음파검사의 의의
- Author(s)
- 손석호; 정건식; 김정식; 우성구; 정기용; 김희진; Seok Ho Sohn; Kun Sik Jung; Jung Sik Kim; Seong Ku Woo; Ki Yong Chung; Hee Jin Kim
- Keimyung Author(s)
- Kim, Jung Sik; Woo, Seong Ku; Chung, Ki Yong
- Department
- Dept. of Radiology (영상의학)
Dept. of Surgery (외과학)
- Journal Title
- 대한방사선의학회지
- Issued Date
- 1993
- Volume
- 29
- Issue
- 2
- Abstract
- During a 12-month period high-resolution, real-time ultrasonography (US) with graded compression was performed on 268 consecutive patients with clinically suspected acute appendicitis and its complications.
US visualization of a fluid-filled, non-compressed appendix or a decompressed, thick-walled appendix was the primary criterion for a diagnosis of acute appendicitis. The sonographic findings were correlated with surgical-pathologic outcome in 92 cases and with the findings of clinical follow-ups in the remainder. US was found to be accurate in the diagnosis of acute appendicitis and its complication with a sensitivity of 93.3%, a specificity of 98.9%, and an accuracy of 97%. The predictive value of a positive test was 97.7%; that of a negative test was 96.7%. There were two false-positive examinations in patients with a thick-walled appendix or periapperdiceal abscess, which were surgically confirmed as appendiceal adenocarcinoma and perforated cecal diverticulitis respectively. There were six false-negative examinations in patients with a sonographically no-visible appendix, which were confirmed surgically as acute appendicitis (n=5) and perforated appendicitis (n=1).
Our results show that high-resolution, real-time US is an accurate imaging modality in the diagnosis of acute appendicitis and the evaluation of its complications.
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