Purpose: To systematically review the characteristics of patients with endogenous tuberculous (TB)  endophthalmitis and panophthalmitis in an effort to help clinicians with diagnosis and treatment.  

Patients and methods: We conducted a systematic literature search in MEDLINE/PubMed from inception to January 2020. References and abstracts were screened independently by two authors. Included studies were case reports and case series reporting endogenous TB endophthalmitis and panophthalmitis secondary to Mycobacterium tuberculosis complex (MTBC). 

Results: 445 articles were found using the search strategy. Following abstract screening, 40 articles were selected for full text-review, from which 21 were deemed eligible for inclusion in the study. Additional records identified through author sources added 5 articles. 44 cases from 26 articles were included in the quantitative analysis. Available-case analysis was employed to handle missing data. The median age of presentation was 29.5 (range: 1 to 81) and 11/44 patients (25.0%) were pediatric. Immunosuppression was seen in 9/36 cases (25.0%). Most patients (24/37, 64.9%) had no prior history of tuberculosis. Systemic symptoms were absent in half of the patients (16/32, 50.0%). Visual acuity (VA) was poor, with 23/27 cases being 20/200 or worse at presentation. Poor organ and visual outcomes were reported: 36/43 cases (83.7%) resulted in enucleation/ evisceration or exenteration. Intraocular tumors were suspected in 5/34 cases (14.7%). Pulmonary tuberculosis was seen in 15/35 cases (42.8%) and miliary tuberculosis was seen 7/35 cases (20.0%). The earliest source of TB diagnosis was through histopathologic specimen after eye removal in 32/44 cases (72.7%), vitreous specimen in 6/44 cases (13.6%) and aqueous specimen in 3/44 cases (6.8%).

Conclusion: TB endophthalmitis is a rare and sight-threatening manifestation of ocular tuberculosis. It can occur in apparently healthy individuals and can mimic intraocular tumors and other infectious etiologies. Diagnosis remains a significant challenge, which, often delayed, leads to profound visual loss. Early detection and treatment of intraocular tuberculosis may be associated with better ocular and systemic outcomes.

The clinical challenge of diagnosing and managing endogenous tuberculous endophthalmitis

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