Differential sonographic features of the extensor pollicis longus tendon rupture and other finger tendons rupture in the setting of hand and wrist trauma
Fig 1
A 23-year-old man with a flexor digitorum profundus tendon rupture of the ring finger.
(a) Ultrasound image of longitudinal scan shows discontinuity of the tendon with retraction of the ruptured tendon (arrows) at the middle phalangeal level. Decreased echogenicity of the ruptured tendon site is also seen (arrowheads). (b) On surgery, the rupture of the flexor digitorum profundus tendon was confirmed and picked up with forceps.