Diagnostic size cutoffs: Difference between revisions
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[[Image:Lung carcinoid tumourlet - low mag.jpg|thumb|right|A [[ | [[Image:Lung carcinoid tumourlet - low mag.jpg|thumb|right|A [[carcinoid tumourlet]]; if it were larger it would be a [[carcinoid lung tumour]]. [[H&E stain]].]] | ||
'''Diagnostic size cutoffs''' are cutoffs which (in part) define a [[diagnosis]] and are seen in a number of places in [[pathology]]. They are usually somewhat arbitrary by their nature; however, they often make sense from a biologic big picture/management perspective. It doesn't make sense to treat [[ADH]] and low-grade [[DCIS]] the same, as their behaviour is different. | '''Diagnostic size cutoffs''' are cutoffs which (in part) define a [[diagnosis]] and are seen in a number of places in [[pathology]]. They are usually somewhat arbitrary by their nature; however, they often make sense from a biologic big picture/management perspective. It doesn't make sense to treat [[ADH]] and low-grade [[DCIS]] the same, as their behaviour is different. | ||
==Rationale== | |||
In [[pathology]], size matters. With other things equal, in the context of how tumours are currently evaluated, big tumours usually do worse than small tumours. | In [[pathology]], size matters. With other things equal, in the context of how tumours are currently evaluated, big tumours usually do worse than small tumours. | ||
==A table of diagnostic size cutoffs== | |||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
!Smaller lesion (precursor) | !Smaller lesion (precursor) | ||