Describe the location, unique features, and potential diagnostic confusion of the Extensor Digitorum Brevis muscle.

The Extensor Digitorum Brevis is a small muscle located on the lateral part of the dorsum of the foot, positioned deep to the tendons of the extensor digitorum longus. It is notable for being the only muscle found on the dorsum of the foot. This muscle creates a fleshy swelling anterior to the lateral malleolus, which can sometimes be misdiagnosed as a contusion (bruise) by inexperienced doctors.