Introduction: CMT is a commonly found deformity of the neck that involves sternocleidomastoid muscle shortening that causes head tilt. Most cases respond well to early conservative treatment in infancy, but in cases of older patients mostly requires surgery. Data of CMT in older patients are not much, therefore, the optimal surgical treatment for these groups of patients is controversial.Method: This study was a retrospective case of a 9-year-old patient with CMT underwent unipolar release of the SCM done in 2023. Case report based on the medical and surgical records.Results: Four months following unipolar release of the SCM and post-surgery treatment using cervical collar, we noticed a lot of improvements of the patient’s neck range of motion and also the head tilt. Cosmetic result of the scar was also satisfactory. Conclusion: CMT is a frequent clinical condition but it is often underdiagnosed, and referred for evaluation at later stage. Early diagnosis and interventions are critical so that complete and rapid resolution may be achieved. However, if surgery is needed, unipolar tenotomy of the distal SCM may be a good option that gives good results in uncomplicated cases of CMT alongside adequate post-operative treatments including cast and physiotherapy.
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