Patient education · Interactive diagrams

Vein conditions and treatments

See how varicose and thread veins develop, and how radiofrequency ablation, foam sclerotherapy and microsclerotherapy treat them. Choose a topic below.

SKIN FASCIA GSV Deep vein Perforator Valve ✓ Normal vein function
Step 1 of 4

Duplex Ultrasound Probe GSV Deep vein Ultrasound maps the vein before any treatment begins GSV diameter
Step 1 of 4

Varicose Vein (blood pooling) The dilated varicose vein Blood stagnant under high pressure due to failed valves above
Step 1 of 4

SKIN SURFACE — CLOSE-UP VIEW Thread veins (spider veins) Fine vessels 0.1–1mm — live in the upper dermis. Cosmetic, not medical.
Step 1 of 3