49,289
edits
Difference between revisions of "Gastrointestinal tract polyps"
Jump to navigation
Jump to search
→Management of (adenomatous colonic) polyps: +advanced adenoma
m (→Grading: chg formating) |
(→Management of (adenomatous colonic) polyps: +advanced adenoma) |
||
| Line 305: | Line 305: | ||
*Inadequately removed polyps: <6 months. | *Inadequately removed polyps: <6 months. | ||
Classified as ''high risk'' (any of the following):<ref name=pmid17167138/> | Classified as ''high risk polyp'' (any of the following):<ref name=pmid17167138/> | ||
*Tubulovillous. | *Tubulovillous. | ||
*Villous. | *Villous. | ||
| Line 312: | Line 312: | ||
Mnemonic: ''GAS'' = grade (high), architecture (tubulovillous, villous), size (>1 cm). | Mnemonic: ''GAS'' = grade (high), architecture (tubulovillous, villous), size (>1 cm). | ||
Note: | |||
*''High risk polyp'', as defined above, is also called '''advanced adenoma''';<ref name=pmid18347350>{{Cite journal | last1 = Laiyemo | first1 = AO. | last2 = Murphy | first2 = G. | last3 = Albert | first3 = PS. | last4 = Sansbury | first4 = LB. | last5 = Wang | first5 = Z. | last6 = Cross | first6 = AJ. | last7 = Marcus | first7 = PM. | last8 = Caan | first8 = B. | last9 = Marshall | first9 = JR. | title = Postpolypectomy colonoscopy surveillance guidelines: predictive accuracy for advanced adenoma at 4 years. | journal = Ann Intern Med | volume = 148 | issue = 6 | pages = 419-26 | month = Mar | year = 2008 | doi = | PMID = 18347350 | URL = http://www.annals.org/content/148/6/419.full.pdf }}</ref> however, it should be noted that there are different definitions for ''advanced adenoma'' (e.g. ''Winawer & Zauber''<ref name=pmid11916153>{{Cite journal | last1 = Winawer | first1 = SJ. | last2 = Zauber | first2 = AG. | title = The advanced adenoma as the primary target of screening. | journal = Gastrointest Endosc Clin N Am | volume = 12 | issue = 1 | pages = 1-9, v | month = Jan | year = 2002 | doi = | PMID = 11916153 }}</ref> include early invasive tumours). Thus, it is best to avoid the term. | |||
==Pseudoinvasion in colorectal adenomatous polyps== | ==Pseudoinvasion in colorectal adenomatous polyps== | ||