Abstract
Extra-pulmonary tuberculosis usually progresses as a secondary infection from pulmonary tuberculosis, and tuberculosis of the head and neck region. Tuberculosis of ocular and periocular areas, however, is a rare disease. Among ocular tuberculosis involving the adnexal structures, a few lacrimal sac tuberculosis has been reported. We recently experienced a case of lacrimal sac tuberculosis presenting as epiphora. Examination revealed bilateral nasolacrimal duct obstruction and the patient underwent endoscopic endonasal dacryocystorhinostomy. During the operation, a biopsy taken from the unhealthy looking lacrimal sac filled with caseous necrotic tissue was suggestive of tuberculosis. Histopathological features and further systemic evaluation confirmed tuberculosis. She was treated medically with anti-tubercular agents. The new opening of the lacrimal sac was patent and epiphora was resolved successfully at a year follow up. This report highlights the requirement of high suspicion of tuberculosis, even in the nasolacrimal drainage system.
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