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Orbital lymphoma mimicking optic nerve meningioma
Dinesh Selva1, Jack Rootman, John Crompton
1Department of Ophthalmology, Royal Adelaide Hospital, Adelaide, Australia.
Purpose:
To describe two patients with orbital lymphoma mimicking optic nerve meningioma.
Methods:
Retrospective case review.
Results:
Both patients presented in their sixth decade with gradually increasing proptosis and decreasing vision. Computerized tomography revealed homogeneous masses encasing the optic nerves, which in conjunction with the clinical presentations were felt to represent optic nerve meningiomas. Biopsy, however, led to a diagnosis of lymphoma of mucosal-associated lymphoid tissue origin in one and a well-differentiated non-Hodgkin's lymphoma in the other.
Conclusion:
Orbital lymphoma surrounding the optic nerve may mimic the clinical and radiological appearance of an optic nerve meningioma.
