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 ihc.
Represents a form of high grade transformation not a distinct subtype of renal cell carcinoma.
Blocks were available for immunohistochemical analysis in 18 cases.
Definition of sarcomatoid renal cell carcinoma.
Sarcomatoid renal cell carcinoma srcc is currently defined in the 2004 world health organization who classification of renal tumors as any.
The presence of sarcomatoid differentiation in renal cell carcinoma indicates highly aggressive behavior and poor prognosis.
The positive expressions of the immune markers caix and cd10 may play important roles in the transformation from renal cell carcinoma to sarcomatoid component.
May occur in any of the standard subtypes of renal cell carcinoma.
Renal cell carcinoma of any type exhibiting at least focal sarcomatoid spindle cell differentiation.
Sarcomatoid renal cell carcinoma arising from a clear cell renal cell carcinoma lower left.
Sarcomatoid renal cell carcinoma srcc is an aggressive high grade histologic variant of renal cell carcinoma with propensity for metastasis and poor prognosis.