Abstract:The paranasal sinuses are rare sites for origination of primary Non-Hodgkin's lymphoma (NHL). Most often, primary paranasal lymphomas are diffuse large B-cell lymphomas (DLBCL) associated with a poor prognosis. This paper describes an uncommon case of ethmoid sinus lymphoma with lateral displacement of the left orbit and involvement of the nasal vault, skull base, and frontal sinuses. Excisional biopsy and flow cytometry findings favored the diagnosis of DLBCL, non-germinal center type. Moreover, CT showed an … Show more
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