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Difference between revisions of "Prostate cancer grading"
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→Tertiary Gleason pattern
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**The Foundation series GU book (1st Ed.) defines ''Tertiary Gleason pattern'' as:<ref name=Ref_GUP72>{{Ref GUP|72}}</ref> a pattern that is seen in less than 5% of the tumour that is of a higher grade than the two dominant patterns. | **The Foundation series GU book (1st Ed.) defines ''Tertiary Gleason pattern'' as:<ref name=Ref_GUP72>{{Ref GUP|72}}</ref> a pattern that is seen in less than 5% of the tumour that is of a higher grade than the two dominant patterns. | ||
**Koloffa ''et al''<ref name=Koloffa/> notes that some define it as: the third most prevalent pattern and most require that it is a higher grade than the two dominant patterns. | **Koloffa ''et al''<ref name=Koloffa/> notes that some define it as: the third most prevalent pattern and most require that it is a higher grade than the two dominant patterns. | ||
***Parsed with the all the subtleties | ***Parsed with the all the subtleties a working definition could be: The third most prevalent pattern ''and'' a higher grade than the two dominant patterns ''or'' a pattern that is seen in less than 5% of the tumour and of higher grade than one pattern that comprises >95% of the tumour. | ||
Significance: | Significance: | ||