● Computerised Topography (CT) scan: A CT scan uses X-rays to take images of your body from various different angles. The computer then combines the images to form a cross-sectional image of your body. This allows the doctor to look for any secondary causes of lymphatic channel blockage such as tumours.
● Ultrasound scan: Ultrasound waves are bounced against the structures in the body to create an image of those internal structures. A venous ultrasound scan is usually performed to exclude venous reflux or deep venous thrombosis as a cause of the swollen leg.
● Lymphoscintigraphy: In this procedure, radiotracers (radioactive dye) are injected into the body to be evaluated, and then a scan is conducted to observe the movement of the dye through the lymphatic system. You will be able to see any lymphatic channel blockages based on where the dye is unable to flow.