Fig. 3
From: Orbital lymphoma: imaging features and differential diagnosis
Contrast axial CT scans demonstrate complete lymphoma response after radiotherapy. a Well-defined mass (red asterisk) involves mainly the eyelid and the insertion of lateral rectus muscle. b First check 6 months after the diagnosis displays complete disappearance of tumour. Pay attention to the preserved fat tissue between the insertion of lateral rectus muscle and eyeball (red arrow)