Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
A 74-year-old woman with a cystic renal mass in the left kidney. A Coronal dynamic CT image (arterial phase) before biopsy shows a 2.3 cm mass (arrow). B Prone CT fluoroscopy image during biopsy shows needle (arrow) penetration of the mass. This mass is histologically diagnosed as clear cell RCC. C Coronal CT during arteriography image 63 days after biopsy shows that the biopsied mass shrinks (arrow). Its diameter is 1.7 cm, and the shrinkage rate is 26.1%
