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Question: 20130087 Status
Final

References
Source 1:   Heme & Lymph Neo Manual & DB
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Notes:  
Source 2:  
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Question
Multiple primaries--Heme & Lymphoid Neoplasms: Question regarding relapse or new primary. Diffuse Large B Cell Lymphoma with follicular differentiation diagnosed in 2008. In January 2011, lymph node biopsy diagnosed B-cell non-Hodgkin lymphoma, follicular type, grade 3a. Physicians are calling it a relapse. Pt received autologous stem cell transplant 6/27/11.

Discussion


Answer
This is an excellent example of an acute neoplasm reverting back to a chronic neoplasm. Rules M12 and M13 apply to this situation.

Apply Rule M13 and abstract a second primary for the 2011 follicular lymphoma if there was treatment administered for the 2008 diagnosis.

In the unlikely event that no treatment was given (or unknown if treatment given) for the 2008 diagnosis, apply Rule M12. The DLBCL would be the only primary.

History


Last Updated
02/24/2014

Date Finalized
07/11/2013