An 80-year-old female was admitted to the Blocker hospital, presenting a pulsatile and painless mass on the right temporal site occurred one month ago following a blunt head trauma.She was under oral apixaban therapy (2x5 mg) due to deep venous thromboembolism for several months.Doppler ultrasound examination and computed tomography PURPLE MASK angiography revealed pseudoaneursym of the right superficial temporal artery.Patient underwent surgical exploration under local anesthesia.Total rupture of the STA was observed and ligated.