Spontaneous regression of brain metastasis secondary to renal cell carcinoma

Spontaneous regression of malignant tumors is a rare event. A case involving brain metastasis from renal cell carcinoma (RCC) is presented. Nine years after the diagnosis of metastasis the patient is alive without evidence of recurrence. We have only found three previous RCC cases in the literature involving spontaneous regression of brain metastasis (4, 16, 17).