Difference between revisions of "Ileocecal valve"
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==Lipomatous ileocecal valve== | ==Lipomatous ileocecal valve== | ||
*[[AKA]] '' | *[[AKA]] ''lipomatosis of the ileocecal valve'' | ||
===General=== | ===General=== | ||
*The lesion should involve the valve circumferentially. | *The lesion should involve the valve circumferentially. | ||
Revision as of 20:25, 1 September 2012
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:
- May be misdiagnosed as malignancy.[2]
- Reported to mimic Crohn's disease.[3]
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
- ↑ 1.0 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.
- ↑ 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.
- ↑ 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.
- ↑ 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.
- ↑ 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.
- ↑ Engin, G.; Balk, E.. "Imaging findings of intestinal tuberculosis.". J Comput Assist Tomogr 29 (1): 37-41. PMID 15665681.