Intrarenal pheochromocytoma: preoperative angiographic diagnosis.

This report documents the angiographic, urographic, and tomographic findings in a patients with a pheochromocytoma within the renal capsule and separate from a normal adrenal gland.

Ultrasonic diagnosis of hypernephroma extending into the inferior vena cava.

Extension of hypernephroma into the inferior vena cava was demonstrated by ultrasound. When a solid renal lesion is encountered, it is suggested that the inferior vena cava be scanned. The possible significance of gray scale scanning as a more precise diagnostic tool and its use in tumor staging are discussed.