RESUMEN
Objectives To evaluate the relationship between phaeochromocytoma and renal cell carcinoma,and to present 2 cases of coexisting phaeochromocytoma and renal cell carcinoma. Methods 2 cases of coexisting phaeochromocytoma and renal cell carcinoma diagnosed and treated were reviewed and studied. A case of left adrenal phaeochromocytoma was disdiagnosed as metastatic carcinoma from the left kidney.Nephrectomy and adrenalectomy were carried out without preoperative preparation crisis occurred in the operation and was managed in time.The another is a case of coexising right adrenal phaeochromocytoma and right renal cell carcinoma.After adequate preoperative preparation,the operation was carried out safely.The postoperative course of both the patients has been uneventful. Conclusions An adrenal growth on the same side of a renal cases may not be a metestatic carcinoma.The possibility of an coexisting phaeochromocytoma shuld be kept in mind.Surgical management was the only means for cure and preoperative preparation was extremely important.