5Lowe LH,Penney MW,Stein SM,et al. Unenbanced Limited CT of the abdomen in the diagnosis of appendicitis in ehildren:comprsion with sonography[J]. A JR, 2001,176 : 31-35.
6Wang SK,Chan LP. Helical CT imaging of clinically suspected appendicitis:correlation of CT and histological findings[J]. Clin Raoliol, 2002,57 : 741-745.
7Brinbaum BA,Wilson SR. Appendicitis at the millennium.Radiology,2002,215(2) 337-348.
8Raptopoulos V,Katsou G,Rosen MP,et al. Acute appendicitis: effect of increased use of CT on selecting patients earlier[J]. Radiology, 2003,226(2) : 521-526.
9Rao PM, Rhea JT, Novellin RA. Sensiticity and specificity of the individual CT signs of appendicitis:experience with 200 helical appendiceal CT examinations[J]. Comput Assist Tomogr, 1997,21 (3) : 686-692.
