Article
Rare expression of KIT and absence of KIT mutations in high grade renal cell carcinoma.
The Journal of urology - 1 Jan 2006
Sengupta Shomik, Cheville John C, Corless Christopher L, Lohse Christine M, Heinrich Michael C, Kwon Eugene D, Zincke Horst, Blute Michael L, Leibovich Bradley C
Abstract excerpt
PURPOSE: RCCs with sarcomatoid differentiation have been reported to frequently express KIT protein, suggesting that imatinib mesylate (STI-571 or Gleevectrade mark) may be effective treatment for these aggressive tumors. We determined the frequency of KIT expression and mutation in a large series of high grade RCCs. MATERIALS AND METHODS: We identified 194 patients who underwent nephrectomy for unilateral,...
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