Lipoma of trigeminal nerve in a patient with severe trigeminal neuralgia

T1 coronal images show homogenous hyperintense lesion involving the right trigeminal nerve root (white arrows) in A and B and Meckel's cave (white arrow) in C as compared to normal left trigeminal nerve (black arrows) and Meckel's cave (yellow arrow). Axial T1 image also demonstrates the involvement of mandibular division in foramen ovale (white arrow) as compared to normal on left side (orange arrow) in D.

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