Sinonasal lymphoma masquerading as persistent blepharoconjunctivitis.

Sinonasal lymphoma, a rare nonepithelial malignant tumor often originates from the nose and paranasal sinuses. Typically, these lymphomas present with symptoms of nasal obstruction, discharge, epistaxis and facial swelling. Orbital extension results in ocular symptoms like proptosis, blurred vision and diplopia. In this case report, we describe persistent blepharoconjunctivitis, an unusual ocular presentation of sinonasal lymphoma. The tumor was positively identified with immunoreactivity of biopsy specimen; Appropriate chemotherapy lead to successful remission of the disease.