Ultrasound
At the site of pain pointed out by the patient, there is a linear echogenic focus (seen as two parallel lines, 6 mm in length) in the quadriceps tendon. No local granuloma formation. Oedema in the adjacent subcutaneous plane without collection. Normal echopattern of the rest of the quadriceps tendon. Small volume anechoic fluid in the suprapatellar recess. No fluid in the infrapatellar recess. Normal patellar tendon.