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Difference between revisions of "Kidney cancer staging"
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→TNM staging system
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! Comments | ! Comments | ||
|- | |- | ||
| T1a | | T1a † | ||
| <=4 cm, confined to kidney | | <=4 cm, confined to kidney | ||
| common | | common | ||
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| | | | ||
|- | |- | ||
| T2 | | T2 ‡ | ||
| >7 cm, confined to kidney | | >7 cm, confined to kidney | ||
| rare - most large tumours are T3a | | rare - most large tumours are T3a | ||
|- | |- | ||
| T3a | | T3a † | ||
| any size with sinus invasion (see below) or perinephric invasion | | any size with sinus invasion (see below) or perinephric invasion | ||
| very common | | very common | ||
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Note: | Note: | ||
*T2 is formally split into T2a (>7 cm and <=10 cm) and T2b (>10 cm); however, this subdivision does not appear to have prognostic valve. | *‡ T2 is formally split into T2a (>7 cm and <=10 cm) and T2b (>10 cm); however, this subdivision does not appear to have prognostic valve.<ref name=pmid21030143>{{Cite journal | last1 = Waalkes | first1 = S. | last2 = Becker | first2 = F. | last3 = Schrader | first3 = AJ. | last4 = Janssen | first4 = M. | last5 = Wegener | first5 = G. | last6 = Merseburger | first6 = AS. | last7 = Schrader | first7 = M. | last8 = Hofmann | first8 = R. | last9 = Stöckle | first9 = M. | title = Is there a need to further subclassify pT2 renal cell cancers as implemented by the revised 7th TNM version? | journal = Eur Urol | volume = 59 | issue = 2 | pages = 258-63 | month = Feb | year = 2011 | doi = 10.1016/j.eururo.2010.10.005 | PMID = 21030143 }}</ref> | ||
*† Most cases are pT1a or pT3a. | |||
**pT2 is very rare and pT1b is uncommon for [[CCRCC]] - in a series of 120 cases:<ref name=pmid16145369>{{Cite journal | last1 = Bonsib | first1 = SM. | title = T2 clear cell renal cell carcinoma is a rare entity: a study of 120 clear cell renal cell carcinomas. | journal = J Urol | volume = 174 | issue = 4 Pt 1 | pages = 1199-202; discussion 1202 | month = Oct | year = 2005 | doi = | PMID = 16145369 }}</ref> | |||
***3% of >7 cm CCRCCs are limited to the kidney. | |||
***32% of 4.1-7.0 cm CCRCCs are limited to the kidney. | |||
====Renal sinus invasion==== | ====Renal sinus invasion==== | ||
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#Tumour touching renal sinus fat. | #Tumour touching renal sinus fat. | ||
#Tumour within the loose connective tissue of the renal sinus. | #Tumour within the loose connective tissue of the renal sinus. | ||
===Lymph node stage=== | ===Lymph node stage=== | ||