Atraumatic Myositis Ossificans of the Digastric Muscle: Case Report.

Atraumatic myositis ossificans in the head and neck is rare and diagnostically challenging. Its rapid growth, frequently inconclusive biopsies, and nonspecific imaging findings can mimic malignancy, such as sarcoma, leading to potential misdiagnosis. Awareness of this entity is crucial for clinicians to avoid unnecessary overtreatment and ensure appropriate management.