Two patients with primary ocular adnexal mucosaassociated lymphoid tumor lymphoma were treated with rituximab immunotherapy. One patient had refused radiotherapy. The other had bilateral ischemic retinopathy, a relative contraindication to radiotherapy. Biopsies were performed 6 months after treatment. One patient had complete resolution of local disease, and the other had a partial response, remaining stable without signs of progression. During the 5 years of clinical follow-up, there was no evidence of systemic disease in either patient. Rituximab immunotherapy is an alternative to regional radiotherapy for ocular adnexal mucosa-associated lymphoid tumor lymphoma.
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