When contrast-enhanced CT depicts hypervascularity of the mesentery with vascular dilatation, tortuosity, and wide spacing of the vasa recta , the comb sign is produced.
当增强CT显示血管扩张、迂曲而血管增多的肠系膜和广泛分布的直小血管，产生梳征。
2
Spinal epidural hemangiomas can have various MR features, but common features (despite histopathologic type) include lobular contour, a rim of low T2 signal intensity, and solid hypervascularity.