CASE HISTORY/CLINIC:
62-year-old female with chronic stabbing pains in the left supply area of the trigeminus nerve.



FINDINGS:
Extra-axial mass lesion with dumbbell-shaped swelling of the gasserian ganglion and of the fifth cranial nerve. The lesion is almost
homogeneously hyperintense on T2-w, isointense on T1-w and enhances strongly homogeneously after contrast administration. Consecutive circumscribed displacement of the left temporal lobe.
Normal appearance of the auditory meatus.



DIAGNOSIS:
Schwannoma of the trigeminal nerve


DIFFERENTIAL DIAGNOSIS:
Other parasellar tumors (meningeoma, glossopharyngoschwannoma)


 





FINDINGS


DIAGNOSE

DIFFERENTIAL DIAGNOSIS