Creeping fat

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Creeping fat is a small bowel and/or large bowel gross pathology finding.[1] It is closely associated with Crohn's disease. It is also known as fat wrapping and fat hypertrophy.[2]


Differential diagnosis

Associated with creeping fat:[3]

  • Ulcerative colitis.
  • Sclerosing mesenteritis.
  • Mesenteric panniculitis.
  • Epiploic appendagitis.
  • Omental infarction.
  • Gastrointestinal complication a renal transplant.
  • Idiopathic segmental ureteritis.



  • Abundant fat, fat on anti-mesenteric side of the bowel.[2]
    • Must have fat on more than 50% of the intestinal surface.

See also


  1. URL: Accessed on: 4 July 2013.
  2. 2.0 2.1 Schäffler, A.; Herfarth, H. (Jun 2005). "Creeping fat in Crohn's disease: travelling in a creeper lane of research?". Gut 54 (6): 742-4. doi:10.1136/gut.2004.061531. PMID 15888774.
  3. Golder, WA. (Jan 2009). "The creeping fat sign-really diagnostic for Crohn's disease?". Int J Colorectal Dis 24 (1): 1-4. doi:10.1007/s00384-008-0585-y. PMID 18815796.