Peroneus brevis split tears should not be confused with anatomic variants (i.e. bifid peroneus brevis and peroneus quartus tendons), which may also appear as "extra" tendinous bands within the peroneal tendon sheath. True split tears typically manifest with a "boomerang" appearance of the brevis tendon enveloping the longus tendon, and there is often accompanying fluid within the tendon sheath.

The huge hematoma indicates a traumatic etiology.