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.

Ileocecal tuberculosis

General

  • Ileocecal region and jejunoileal region are the most commonly affected areas in gastrointestinal tuberculosis.[4][5][6]

Microscopic

See Tuberculosis.

See also

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.
  4. Iacobuzio-Donahue, Christine A.; Montgomery, Elizabeth A. (2005). Gastrointestinal and Liver Pathology: A Volume in the Foundations in Diagnostic Pathology Series (1st ed.). Churchill Livingstone. pp. 282. ISBN 978-0443066573.
  5. Bhargava, DK.; Tandon, HD.; Chawla, TC.; Shriniwas, BN.; Tandon, BM.; Kapur, . (Apr 1985). "Diagnosis of ileocecal and colonic tuberculosis by colonoscopy.". Gastrointest Endosc 31 (2): 68-70. PMID 3922847.
  6. Engin, G.; Balk, E.. "Imaging findings of intestinal tuberculosis.". J Comput Assist Tomogr 29 (1): 37-41. PMID 15665681.