Endovenous laser obliteration (EVLO) is a minimally invasive, effective and safe method for patients with varicose veins of the lower extremities. Complications and adverse events are quite common after EVLO, but in most cases they do not require special treatment. We are talking about subcutaneous hemorrhages, pain syndrome and vein inflammation. Among rare major complications, venous thrombosis is the leading one. However, its incidence is low, and anticoagulation is usually effective. At the same time, there are complications that can require surgical intervention. The authors present a rare complication after EVLO (pulsating hematoma of the thigh). The most likely cause of this complication may be damage to the muscular branch of the superficial femoral artery. Non-invasive correction of this complication was unsuccessful. In this regard, endovascular selective embolization was performed. Thus, EVLO is characterized by potential serious complications associated with hospitalization and endovascular treatment.