Adventitial cystic disease of the common femoral vein presenting as deep vein thrombosis

Adventitial cystic disease of the common femoral vein is a rare condition.We herein report the case of a 50-year-old woman who presented with painless swelling in her argan oil pure purple left lower leg that resembled sensationnel kiyari deep vein thrombosis.She underwent femoral exploration and excision of the cystic wall.The presentation, investigation, treatment, and pathology of this condition are discussed with a literature review.