MRI
- MRI orbits (with contrast)
Coronal T2 fat sat
Coronal T1
Coronal T1 C+
Left orbit
- periorbital oedema
- preseptal fat stranding
- post-septal, extraconal stranding
- exopthalmos
- levator palpebrae superioris (LPS) markedly enlarged
- LPS enhancement
- superior rectus muscle displaced inferiorly