Clear cell areas are golden in color due to cellular lipid accumulation while sarcomatoid foci are.
Sarcomatoid renal cell carcinoma ihc.
The epithelial and sarcomatoid portions were studied with a panel of antibodies directed against cytokeratin ae1 ae3 cam 5 2 and 34 beta e12.
Median survival after diagnosis is less than one year and cancer specific survival at 5 years is 15 22 as current therapeutic approaches are largely ineffective.
Sarcomatoid renal cell carcinoma 6 3 were identified from a review of 363 renal cell carcinomas.
The presence of sarcomatoid differentiation in renal cell carcinoma indicates highly aggressive behavior and poor prognosis.
Definition of sarcomatoid renal cell carcinoma.
Sarcomatoid renal cell carcinoma arising from a clear cell renal cell carcinoma lower left.
May occur in any of the standard subtypes of renal cell carcinoma.
Represents a form of high grade transformation not a distinct subtype of renal cell carcinoma.
Sarcomatoid renal cell carcinoma srcc is an aggressive high grade histologic variant of renal cell carcinoma with propensity for metastasis and poor prognosis.
Blocks were available for immunohistochemical analysis in 18 cases.