What is the frequency (percentage) of haemorrhage in a spinal schwannoma?
Rare, described in 10% of cases.
The previously described intraspinal and extraspinal mass appears heterogeneous on T1/T2. It is mainly T1 hyperintense and markedly T2 hypointense with susceptibility artefacts, suggesting the presence of blood products. The presence of internal blood products is also demonstrated on GRE. There is heterogeneous enhancement of the mass but intrinsic T1 hyperintense signal makes this more difficult to assess.
There is marked mass effect/compression of the cervical cord with rightward deviation.
There is proximal occlusion of the proximal left vertebral artery.
The examination confirms dural ectasia.