Peroneus Tertius and QuartusAxial T2-weighted image superior to the lateral malleolus demonstrates a normal peroneus tertius tendon (white arrow) anterior to the fibula. The peroneus longus tendon (white arrowhead) contains small foci of internal hyperintense signal, whereas the peroneus brevis (blue arrow) and quartus (blue arrowhead) tendons are normal in signal intensity.