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Arising in the left parotid space is a large mass with the parapharyngeal fat displaced anteromedially and the carotid sheath posteriorly.
Mass demonstrates low T1 signal, predominantly high T2 signal with central low T2 areas, and heterogeneous enhancement with low T2 areas non-enhancing.
The mass has well-defined margins, and severely effaces the oropharyngeal lumen. Remodelling of the left medial lateral pterygoid plates, which are distorted anteriorly and splayed, and is compatible with a slow-growing lesion.
No suspicious cervical lymph nodes.
High T1 signal and enhancement consistent with cortical laminar necrosis in both rectus gyri and in the left temporal and parietal lobes plus posterior insula. Adjacent high T2 signal consistent with encephalomalacia/gliosis. Ventriculomegaly.