Fig. 4
From: Orbital Rosai-Dorfman disease initially diagnosed as IgG4-related disease: a case report
Follow-up MRI brain and orbits after second surgical debulking. Follow-up T1-weighted post-contrast MRI brain and orbits obtained approximately 4 months after second surgical debulking showing stable residual disease in the superior left maxillary sinus and along the left orbital floor involving the inferior rectus muscle in the (a) coronal plane, (b) axial plane at the level of the optic nerve, and (c) axial plane at the level of the maxillary sinus. Notably, the globes are normal in contour and there is resolution of prior proptosis