Pseudolymphoma of the Cavernous Sinus: Case Report

ABSTRACT

A Case of pseudolymphoma involving the cavernous sinus in a 38-year-old male patient is reported. The patient was admitted because of intermittent diplopia and left side facial sensory change. The tumor was well demarcated, homogeneously enhancing mass in the left side cavernous sinus on MRI. The histopathological findings showed diffuse and dense infiltration of lymphocytes in connective tissue stroma without forming lymphoid follicle or germinal center and the infiltrating lymphocytes were well differentiated and matured. We report a rare case of pseudolymphoma arising in the cavernous sinus, which revealed polyclonal differentiation of lymphocytes confirmed the diagnosis of pseudolymphoma.