*Department of Radiology, Lishui Central Hospital, Zhejiang, P. R. China
**Siemens Healthineers China
A 43-year-old female patient, suffering from swelling and pain in the left arm for the past month, came to the hospital for a checkup. She had undergone arteriovenous graft (AVG) surgery on her left arm, for hemodialysis treatment, a year ago. A Dual Energy (DE) CT angiography (CTA) was performed to evaluate the patency of the AVG.