Spider veins or varicose veins are definitely the visibly enlarged veins typically uncovered at the back of the thighs. These veins typically surface in darkish purple or blue in colour, and often look twisted and bulging. Magnetic Resonance Venography (MRV) is Magnetic Resonance Imaging (MRI) of veins. It's a radiation-free https://sgvasculargrp.com/medical-condition/varicose-spider-veins/