1Humart L, EI khoury M, Lesavre A, et al. What is the thickness of the normal appendix on MDCT? [J]. J Radiol, 2007, 188(3 Pt 1): 385-389.
2Moteki T, Horikoshi H. New CT criterion for acute appendicitis: maximum depth of intraluminal appendiceal fluid[J]. AJR, 2007, 188(5) :1313-1319.
3Caglar E, Aribas B, Tiken R, et al. Midgut malrotation presen- ting with left-sided actuate appendicitis and CT inversion sign[J]. BMJ Case Rep, 2014,30(2) :459-460.