Circumscribed Myositis Ossificans of Masseter Muscle causing\ud trismus

Abstract

This article discusses an interesting case report of circumscribed myositis ossificans of masseter muscle\ud causing trismus with a review of literature on this subject. This rare disorder is characterised by\ud dystrophic calcification leading on to heterotopic ossification (presence of bone tissue where it is not\ud usually present) of intramuscular connective tissue. Muscles of mastication are commonly involved in\ud this condition