Abstract
ABSTRACT Background Serpiginous-like choroiditis (SLC) denotes ocular tuberculosis (TB), in the presence of positive tuberculin skin test (TST) or interferon gamma release assay (IGRA). Methods Retrospective review of SLC patients from a TB-endemic country, with negative TST and IGRA tests, but responsive to anti-TB therapy. Results Fifteen patients (13 bilateral) with active SLC were included. Eleven (73.3%) patients had received corticosteroids ± immunosuppressive therapy prior to presentation. Chest radiographic abnormalities were found in four (26.7%) patients. We treated all patients with a combination of anti-TB therapy (ATT) and corticosteroids. Paradoxical worsening was noted in nine (60%) patients, complete resolution of lesions in 12 (80%), persistent inflammation (post-ATT) in one, while two were yet to complete ATT. None had recurrence after complete resolution of lesions (median follow-up of 71 weeks [range 15–676 weeks]). Conclusions TB-SLC may present with negative TST and IGRA tests but may still have clinical appearance, and treatment response, like test-positive disease.
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