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Status Final References Source 1: 2012 Heme & Lymph Manual & DB pgs: Notes: Source 2: pgs: Notes: Question Multiple primaries--Heme & Lymphoid Neoplasms: Is the following scenario one primary or two? See discussion. Discussion In June 2006 the patient is diagnosed with follicular lymphoma Grade 3 by cervical lymph node biopsy and bone marrow biopsy. The patient refuses treatment but has been followed for years. In May 2007, patient has another cervical LN biopsy, now called follicular lymphoma grade 2. In July, 2009, a neck mass excision is diagnosed as follicular lymphoma grade 3. In June 2011 another neck lymph node is excised and diagnosed as follicular lymphoma grade 2. According to the MP calculator, FL grade 3 (9698) is a separate primary from FL grade 2 (9691). Is the June 2011 diagnosis a new primary? Answer The 2011 diagnosis is a not new primary. Follicular lymphoma grade 3 and follicular lymphoma grade 2 are the same primary. Use the 2012 MP calculator for this. There is an error in the 2010 MP calculator which will be corrected soon. History Last Updated 12/14/2012 Date Finalized 12/14/2012 |