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Small bowel (small intestine)


Features to report for tumors

Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 21 November 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.


● Tumor location
● Histologic type
● Histologic grade if relevant (well differentiated: >95% glands, moderately: 50-95% glands, poorly: 5-49% glands, undifferentiated: <5% glands)
● Tumor size
● Extent / depth of invasion
● Margin involvement (proximal, distal, radial [soft tissue closest to deepest tumor penetration]), and distance of tumor to margin
● Invasion of other structures
● Obstruction, perforation, ulceration, proximal dilation
● Nuclear grade, presence of necrosis
● Angiolymphatic invasion
● Other pathologic findings (polyps, Crohn’s disease, celiac disease)
● Nodal involvement (# involved, # identified)
● Results of special studies

Additional references

Arch Pathol Lab Med 2000;124:46

End of Small bowel (small intestine) > Miscellaneous > Topic

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