SEER Inquiry System - Question 20120080 Details

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Question 20120080

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Inquiry Details

References:

#1: 2007 MP/H Rules

#2: MP/H Training, Beyond the Basics. Slide 6

Question:

MP/H Rules/Multiple primaries--Kidney, renal pelvis/Bladder: How many primaries are accessioned if the patient was diagnosed with transitional cell carcinoma in situ of the renal pelvis in October 2006, TCC in situ of the bladder in July 2008 and TCC in situ of the ureter in November 2009?. See Discussion.

Discussion:

Per MP/H rule M8, the TCC in situ of the bladder diagnosed in July 2008 is the same primary as the TCC in situ of the renal pelvis diagnosed in October 2006. Should the new TCC in situ of the ureter diagnosed in November 2009 be a new primary per rule M7 because the renal pelvis TCC in situ was diagnosed in 2006? Or does the 3 year time frame for rule M7 start from the date of the last recurrence (July 2008)?

Answer:

Abstract two primaries for this scenario per Rule M7. The first primary is the renal pelvis in Oct. 2006; the second primary is the ureter in Nov. 2009. The bladder tumor in July 2008 is not a new primary per Rule M8.

Compare the diagnosis date of the current (most recent) tumor to the diagnosis date of the original tumor. This applies even if the patient had six occurrences in-between these dates; you still compare the current tumor to the diagnosis date of the original tumor and ignore recurrences in this process.

See slide 6 of the Beyond the Basics presentation,

http://www.seer.cancer.gov/tools/mphrules/training_adv/SEER_MPH_Gen_Instruc_06152007.pdf.

Cancer Site Category:

Kidney, renal pelvis

Data Item Category:

N/A

Other Category:

Multiple primaries

Year:

2012