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Difference between revisions of "Prostate cancer grading"
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Prostate cancer grading (view source)
Revision as of 07:28, 30 December 2015
, 07:28, 30 December 2015no edit summary
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*Tertiary Gleason pattern - definition: a pattern that is seen in less than 5% of the tumour (volume), that is higher grade than the two dominant patterns.<ref name=Ref_GUP72>{{Ref GUP|72}}</ref> | *Tertiary Gleason pattern - definition: a pattern that is seen in less than 5% of the tumour (volume), that is higher grade than the two dominant patterns.<ref name=Ref_GUP72>{{Ref GUP|72}}</ref> | ||
**The presence of a tertiary patterns adversely affect the prognosis; however, the prognosis is not as bad as when the tertiary pattern is the secondary pattern, i.e. 3+4 tertiary 5 has a better prognosis than 3+5 (with some small amount of pattern 4).<ref name=Ref_GUP72>{{Ref GUP|72}}</ref> | **The presence of a tertiary patterns adversely affect the prognosis; however, the prognosis is not as bad as when the tertiary pattern is the secondary pattern, i.e. 3+4 tertiary 5 has a better prognosis than 3+5 (with some small amount of pattern 4).<ref name=Ref_GUP72>{{Ref GUP|72}}</ref> | ||
====Examples==== | ====Examples==== | ||
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*A biopsy with 98% pattern 4, and 2% pattern 3... would be reported as: 4+4=8. | *A biopsy with 98% pattern 4, and 2% pattern 3... would be reported as: 4+4=8. | ||
*A prostatectomy with 80% pattern 4, 16% pattern 3 and 4% pattern 5... would be reported as: 4+3=7 with tertiary pattern 5. | *A prostatectomy with 80% pattern 4, 16% pattern 3 and 4% pattern 5... would be reported as: 4+3=7 with tertiary pattern 5. | ||
===Gleason patterns (modified)=== | ===Gleason patterns (modified)=== | ||