2011
DOI: 10.1148/radiol.10100984
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Abstract: A staged US and CT imaging protocol in which US is performed first in children suspected of having acute appendicitis is highly accurate and offers the opportunity to substantially reduce radiation.

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Cited by 174 publications
(139 citation statements)
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“…The authors recommended further prospective study be done to investigate alternative diagnostic approaches in this population. These results were subsequently retrospectively confirmed by Krishnamoorthi and colleagues 36 and prospectively by Santillanes and colleagues. 37 In a key study, Kharbanda and colleagues 38 have recently validated and refined a clinical pathway to identify children at low risk of acute appendicitis.…”
Section: Discussionsupporting
confidence: 53%
“…The authors recommended further prospective study be done to investigate alternative diagnostic approaches in this population. These results were subsequently retrospectively confirmed by Krishnamoorthi and colleagues 36 and prospectively by Santillanes and colleagues. 37 In a key study, Kharbanda and colleagues 38 have recently validated and refined a clinical pathway to identify children at low risk of acute appendicitis.…”
Section: Discussionsupporting
confidence: 53%
“…Whether a patient of suspected AA should undergo CT scan or not is decided by the attending radiologist based on the USG findings and overall merit of the case. Many institutions follow this principle of USG first followed by CT scan if indicated especially in pediatric cases [15,16]. Third, another school of thought is that WBC count and serum biomarkers such as CRP help in the diagnosis of AA [17,18].…”
Section: Discussionmentioning
confidence: 99%
“…The transverse outer diameter of a normal appendix was 6 mm or less. 6,8 Acute appendicitis was diagnosed when there was an incompressible appendix with a transverse outer diameter of 6 mm or greater and secondary signs, 12 which included a mural thickness of greater than 2 mm and inflamed periappendiceal hyperechoic fat. 6,8 The radiologists who performed sonography subjectively defined equivocal appendicitis when the transverse outer diameter of the appendix measured greater than 6 mm without secondary signs or when they could not identify the connection between tubular structures suggesting the presence of a distended appendix and cecum due to an unusual location of the appendix or a poor sonic window.…”
Section: Sonography and Ctmentioning
confidence: 99%
“…Normal appendix (3) Acute gastroenteritis (3) a Normal appendix and diverticulitis (10) Diverticulitis (10) a Normal appendix and ileocolitis (4) Ileocolitis (4) a Normal appendix and right ureter stone (1) Right ureter stone (1) a Nonperforated appendicitis (8) Nonperforated appendicitis (8) Perforated appendicitis (14) Perforated appendicitis (12) Diverticular abscess (1) Perforated appendiceal mucocele (1) Equivocal appendicitis (1) Normal appendix (1) Appendiceal mucocele (1) Nonperforated appendicitis (1) the appendix were easily detectable on sonography, which might be due to the improved sonographic equipment and the accumulated expertise compared to the previous study. Although CT was recommended when perforated appendicitis was imaged on sonography in this study population, we suggest that there is no need to recommend additional CT when the contour of the appendix is easily visualized on sonography.…”
Section: Diagnosis On Both Sonography and Ct Final Diagnosismentioning
confidence: 99%
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