paranasal sinus lymphoma (MONDO_0001743) is a lymphoma that arises from the paranasal sinus. Representative examples include diffuse large B-cell lymphoma and extranodal NK/T-cell lymphoma, nasal type. Also known as: accessory sinus lymphoma, lymphoma of accessory sinus, lymphoma of paranasal sinus, lymphoma of the accessory sinus, lymphoma of the paranasal sinus, primary paranasal sinus lymphoma.