Would you require biopsy of both orbits or is unilateral biopsy adequate for a patient with suspected bilateral orbital MALT lymphoma?
Imaging studies (MRI and PET) show bilateral disease
Answer from: Radiation Oncologist at Academic Institution
Biopsy of one orbit is sufficient if clinical findings and images of the other orbit are all consistent with marginal zone lymphoma (MZL). I’m a little surprised the question of how to treat bilateral MZL of orbit was not asked. Assuming disease is limited to the orbits, radiotherapy to both s...
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Answer from: Radiation Oncologist at Community Practice
If imaging is concordant on both sides then would favor only one biopsy to confirm pathology.