Tuberculosis

In former years this was considered to be a common cause of posterior uveitis, clinicians having been impressed by the number of patients with a previous history of tuberculosis. The relationship seems less likely now that tuberculosis has been almost eliminated from the population. However, this diagnosis must not be forgotten especially in the immunosuppressed patient and those with recalcitrant or atypical uveitis, as there is currently a slight re-emergence of the disease. Choroidal tubercles are a well-described entity: these raised yellowish granulo-matous foci were used as a diagnostic feature of miliary tuberculosis and, occasionally, chronic pulmonary tuberculosis. They are usually seen in extremely ill patients and the yellowish tubercles become pigmented as they heal. Treatment is as for systemic tuberculosis.

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