Radiological Evaluation of Orbital Masses

Our Patient’s Clinical History

Menu of Tests

Our Patient - Orbital Anatomy

Our Patient - Orbital Anatomy

Coronal CT

Our Patient - Orbital Anatomy

Ocular Spaces
Companion Patient 1 with orbital mass in three compartments

Ocular Spaces
Companion Patient 1 with orbital mass in three compartments

Our Patient

Axial T1 – lesion isointense to muscle

Our Patient

Our Patient

Our patient - FDG-PET

Frequency of Orbital Lesions

Companion Patient 2
Grave’s Ophthalmopathy

Companion Patient 3
Inflammatory Psuedotumor

Companion Patient 4
Orbital Cellulitis

Companion Patient 5
Cavernous Hemangioma

Companion Patient 6
Orbital Lymphoma

Companion Patient 7
Meningioma- “Tram-track” sign

Companion Patient 8
Optic Neuritis

Orbital mass in a 78 y/o:
Differential Diagnosis

Orbital mass in a 70 y/o:
Radiographic Differential Diagnosis

Our Patient - Pathological Diagnosis:
Atypical Lymphoid Infiltrate, a “low-grade lymphoma”

Orbital lymphoid neoplasms

Summary

Acknowledgements

References