Ileocecal valve

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The ileocecal valve is the divider between the small bowel and cecum. It is seen by pathologist in some subtotal colectomies (e.g. right hemicoloectomies) and occasionally biopsied.

Lipomatous ileocecal valve

  • AKA Lipomatosis of the ileocecal valve

General

  • The lesion should involve the valve circumferentially.
    • True lipomas of the ileocecal have a capsule, are not circumferential and less common.[1]

Clinical:

Microscopic

Feature:

  • Mature adipocytes.
  • No capsule.[1]

DDx:

  • Lipoma of the ileocecal valve - have a capsule.

References

  1. 1.0 1.1 Skaane, P.; Eide, TJ.; Westgaard, T.; Gauperaa, T. (Dec 1981). "Lipomatosis and true lipomas of the ileocecal valve.". Rofo 135 (6): 663-8. doi:10.1055/s-2008-1056492. PMID 6212382.
  2. Petrović, J.; Barisić, G.; Saranović, D.; Micev, M.; Krivokapić, Z. (Sep 2007). "Lipomatosis of the ileocecal valve treated with right hemicolectomy as the consequence of an incomplete diagnostic procedure.". Tech Coloproctol 11 (3): 278-80. doi:10.1007/s10151-007-0366-6. PMID 17676259.
  3. Bhupalan, AJ.; Forbes, A.; Lloyd-Davies, E.; Wignall, B.; Murray-Lyon, IM. (Jun 1992). "Lipomatosis of the ileocaecal valve simulating Crohn's disease.". Postgrad Med J 68 (800): 455-6. PMID 1437927.

See also