Lacrimal Drainage Obstruction as an Early Presentation of Lacrimal Sac Lymphoma

To report a case of lacrimal sac lymphoma presenting with nasolacrimal obstruction.Patient and A 35-year-old woman presented with epiphoria and swelling of the left lacrimal sac area and cervical lymphadenopathy. She had undergone dacryocystorhinostomy (DCR) 6 months before. Computed tomography demonstrated a lacrimal sac mass involving the nasal cavity. Histopathologic examination revealed diffuse large cell lymphoma. According to immunohistologic staining, the tumor was B-cell type. The patient was treated with irradiation and chemotherapy. Lacrimal sac tumors may present with epiphoria and dacryocystitis masquerading as nasolacrimal canal obstruction.