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DIAgnostic iMaging or Observation in early equivocal appeNDicitis (DIAMOND): open-label, randomized clinical trial.

Lastunen KS, Leppäniemi AS, Mentula PJ.

Br J Surg 2022; 109: 588-594.

Some 185 Patients with suspected appendicitis were randomised to imaging with ultrasound followed by CT if needed, or observation. More patients in the imaging group had treatment for appendicitis (72 versus 57 per cent; difference 15, confidence interval 1 to 29 per cent). Rates of complicated appendicitis and negative appendicectomy were similar.

Comment: Some patients with appendicitis do not need surgery; I think we knew that, but this is good science.

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