They correlate to a chronic increase in venous pressure due to venous insufficiency. The calf is usually affected because the gravitational pressure is added to the already increased venous pressure.
A consistent find in the sonographic check of a leg with a network of varicose veins is high degree insufficiency of the great or/and lesser saphenous vain.
The symptoms include leg heaviness, itching, cramps, or even pain, and they are of a particularly severe nature at the end of the day.
Patients at this stage of venous insufficiency have to wear elastic compression socks daily. A proper diagnosis and treatment plan are required.