Co-existent renal eosinophilic granuloma and renal adenocarcinoma

Localized renal eosinophilic granuloma has not been previously reported. In this patient there was osseous eosinophilic granuloma and a 1 cm hypervascular renal lesion which pathologically proved to be coexistent renal adenocarcinoma and eosinophilic granuloma.