SEER Inquiry System - View
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Question: 20091079 | |
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Status Final References Source 1: 2007 SEER Manual pgs: C-841 Notes: Appendix C Source 2: pgs: Notes: Question Primary site--Bladder: What is the correct subsite for interureteric ridge? Description: 4 mm nodule at base of bladder near interureteric ridge. Discussion Answer For this case, assign code C670 [Trigone of bladder]. The description for this case states that the tumor location is the base of the bladder. Base is a synonym for trigone. The interureteric ridge (or interureteric crest, or interureteric fold) is a fold of mucous membrane extending accross the bladder between the two ureteric orifices. The trigone is located below the interureteric ridge. History Last Updated 08/10/09 | |