The coiled spring sign of appendiceal intussusception


The coiled spring sign refers to the double contrast enema (DCE) appearance of appendiceal intussusception into the cecum, which is best seen en face. There is nonfilling of the appendix with barium, and thin concentric rings of barium radiate outward from the appendix base, (Fig. 1) giving a spring-like appearance (Fig. 2). The invaginated appendix is… (More)
DOI: 10.1007/s00261-018-1506-3

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