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Benign hypertrophy of left masseter and left pterygoid muscles

Case contributed by Hidayatullah Hamidi
Diagnosis certain

Presentation

Left lower facial swelling for 3 years

Patient Data

Age: 16 years
Gender: Female

The left masseter muscle and left pterygoid muscle are hypertrophied and are asymmetrically enlarged compared to the right side. No focal lesion or abscess is seen. 

Case Discussion

Hypertrophy of masseter muscle is a condition that mainly does not require surgical intervention. It is an example of a pseudomass, i.e. it mimics true pathology. 

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