Primary Non-Hodgkin Lymphoma of the temporal bone: A rare case report

Introduction: Primary lymphoma of the temporal bone is extremely rare, difficult to diagnose and to manage. It is essential that the clinician keeps in mind the possibility of this pathology as a differential diagnosis with the infections resistant to the usual treatment. Case report: We report a rare case of a diffuse large B-cell lymphoma in a 70-year-old- woman, with history of diabetes. The pathological study was in favor of a Non-Hodgkin Lymphoma of the Temporal Bone. Discussion: Lymphomas defined as malignant monoclonal proliferation of lymphoid cells, are not uncommon in the head and neck region. Literature presents with few cases. Conclusion: The aim of this article is to report a rare case of a diffuse large B-cell lymphoma with primary mastoid and external auditory canal infiltration without systemic involvement initially presented as a benign ear infection.