Abstract
Cystic adventitial disease of the popliteal artery is a rare vascular disease which is characterized by the formation of mucin-filled cysts within the adventitia of the popliteal artery. These cysts may result in the obstruction of blood flow. We herein report a case of a cystic adventitial disease of the popliteal artery that was successfully treated by percutaneous needle aspiration. The patient was a 74-year-old male who presented with a chief complaint of intermittent claudication of the left lower limb. Contrast-enhanced computed tomography revealed severe stenosis of the left popliteal artery compressed by cystic masses, which supported a diagnosis of cystic adventitial disease. We decided to perform less-invasive percutaneous needle aspiration because the patient’s respiratory function was impaired due to interstitial pneumonia. Ultrasound-guided percutaneous cyst aspiration was performed using a 14-gauge needle and jelly-like substance was aspirated. About four weeks later, residual cysts were detected and aspiration was performed again. The cysts were reduced in size and the patient’s stenosis resolved. The patient remained asymptomatic during a 6-month follow-up period. Ultrasound-guided percutaneous needle aspiration is an effective method for treating cystic adventitial disease, and should therefore be considered as a treatment option.
