venography
venography — noun
1. A medical imaging method in which a special dye is put into a person's bloodstre
A medical imaging method in which a special dye is put into a person's bloodstream so that their veins can be seen clearly on X-ray pictures. The dye blocks the X-rays and makes the veins appear white on the dark X-ray film, allowing doctors to find blockages or damage.
Dr. Patel ordered a venography after Iris's lower leg stayed swollen for weeks.
venography as diagnostic tool for swelling
A nurse put dye into Emre's arm to make his veins show on the venography.
preparation: contrast dye injected before imaging
The venography showed a blood clot blocking the main vein in Pedro's thigh.
Doctors used venography to check whether the car accident had damaged Marco's arm veins.
Venography helps surgeons plan where to place a stent in a narrowed vein.
- phlebography
An older, less common term for the same procedure; 'venography' is preferred in current medical usage.
用法筆記
Frequently used in the context of diagnosing deep vein thrombosis (DVT) or assessing vein damage after injury. Often replaced by ultrasound or CT venography in modern practice, but still common in specialist vascular imaging.