Hinchey classification of acute diverticulitis

Dr Dan J Bell and A.Prof Frank Gaillard et al.

E J Hinchey et al. 3 proposed a classification for acute diverticulitis, that has been variously adapted, and is useful not only in academia but also in outlining successive stages of severity.


  • stage 1a: phlegmon
  • stage 1b: diverticulitis with pericolic or mesenteric abscess
  • stage 2: diverticulitis with walled off pelvic abscess
  • stage 3: diverticulitis with generalised purulent peritonitis
  • stage 4: diverticulitis with generalised faecal peritonitis
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Article information

rID: 1451
Synonyms or Alternate Spellings:
  • Acute diverticulitis - Hinchey classification
  • Hinchey classification

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Cases and figures

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    Case 1: stage 1b
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    Case 2: stage 1a
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    Case 3: stage 2b
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