Hypoglossal schwannoma Case 1Case 2 A longstanding T2-hyperintense lesion caused widening of the hypoglossal canal. The right hemitongue was T1-hyperintense due to fatty chronic denervation changes. 50-year-old patient presented with tongue weakness and right hemitongue atrophy. MRI showed an avidly enhancing lesion expanding the right hypoglossal canal extending down to the level of C2.