Schwannoma Diagnosis

Schwannomas usually demonstrated by hypointensity on T1-weighted images and hyperintensity on T2-weighted images.


MRI characteristics 1) of schwannomas include specific signs (split fat, fascicular, target) and signal patterns (ie isointense T1 signal relative to skeletal muscle; increased and slightly heterogeneous T2 signals).

1)
Beaman FD, Kransdorf MJ, Menke DM. Schwannoma: radiologic-pathologic correlation. Radiographics. 2004 Sep-Oct;24(5):1477-81. doi: 10.1148/rg.245045001. PMID: 15371621.