Unilateral mandibular condylar hyperplasia with ipsilateral masticator muscle and parotid gland hypertrophy: a rare incidental finding on brain MRI

This case demonstrates how unilateral condylar hyperplasia can present primarily as parotid swelling, potentially misdirecting clinical attention. Quantitative volumetric analysis proved essential for diagnosis. The documented 31% condylar asymmetry with preserved function illustrates effective neuromuscular compensation, providing a 6-12 month window for intervention before symptom development. Early multidisciplinary collaboration is crucial for optimal outcomes.