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Brucellar uveitis: intraocular fluids and biopsy studies.
Isaías Rolando1, Gustavo Vilchez, Liset Olarte
1Hospital Nacional Cayetano Heredia, Instituto de Medicina Tropical Alexander von Humboldt, Universidad Peruana Cayetano Heredia, Av. Honorio Delgado 430, Lima 31, Peru.
Summary
Intraocular diagnostic tests can aid in diagnosing ocular brucellosis, even when initial tests are negative. This study highlights the utility of these tests in identifying Brucella infection in the eye.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Immunology
Background:
- Ocular brucellosis diagnosis relies on clinical and serological tests.
- Limited understanding of ocular immunology in brucellosis and intraocular diagnostic utility.
- This study retrospectively analyzes laboratory findings in patients with ocular brucellosis.
Purpose of the Study:
- To evaluate the role of intraocular diagnostic tests in ocular brucellosis.
- To compare laboratory findings in brucellar uveitis with other uveitis etiologies.
- To assess the sensitivity and specificity of ocular agglutination tests.
Main Methods:
- Retrospective evaluation of uveitis patients with no clear diagnosis.
- Testing for brucellosis and other infectious agents using blood and intraocular fluid.
- Calculation of the Goldmann-Witmer coefficient and histopathological examination of tissue samples.
Main Results:
- Twelve cases of suspected ocular brucellosis and seven controls were analyzed.
- Ocular agglutination tests showed 66.7% sensitivity and 100% specificity for brucellosis.
- Positive Goldmann-Witmer coefficient in three ocular brucellosis cases; lymphoplasmacytic infiltrates observed in tissue samples.
Conclusions:
- Intraocular serological tests can support the diagnosis of ocular brucellosis.
- These tests offer valuable diagnostic information when conventional methods are inconclusive.
- Further research into ocular immunology of brucellosis is warranted.
