“…With respect to the concomitant existence of a clear cell carcinoma and calculus in the same kidney, only 7 previous eases have been reported in the world literature [3]. In all Cases, the tumor was identified at the time of open renal exploration to remove the calculus.…”
The main risk factors are tobacco smoking, obesity, hypertension, horseshoe kidneys, acquired renal cysts and genetic factors especially von Hippel Lindau disease (VHL).
“…With respect to the concomitant existence of a clear cell carcinoma and calculus in the same kidney, only 7 previous eases have been reported in the world literature [3]. In all Cases, the tumor was identified at the time of open renal exploration to remove the calculus.…”
The main risk factors are tobacco smoking, obesity, hypertension, horseshoe kidneys, acquired renal cysts and genetic factors especially von Hippel Lindau disease (VHL).
We report a case of renal cell carcinoma that showed extensive osteosarcomatous differentiation and simulated a staghorn calculus clinically and radiologically. The literature on osteosarcomatous differentiation in renal cell carcinoma is reviewed.
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