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Year : 2015  |  Volume : 5  |  Issue : 4  |  Page : 182-186

Negative Mantoux test in a patient with definite pulmonary and ocular tuberculosis

1 Department of Ophthalmology, Changhua Christian Hospital, Changhua, Taiwan
2 Department of Ophthalmology, Changhua Christian Hospital, Changhua; Department of Ophthalmology, China Medical University Hospital; School of Medicine, China Medical University, Taichung, Taiwan
3 An-Shin Dialysis Center, NephroCare Ltd, Fresenius Medical Care, Taichung, Taiwan
4 Department of Ophthalmology, China Medical University Hospital, Taichung, Taiwan

Correspondence Address:
Chun-Ju Lin
Department of Ophthalmology, China Medical University Hospital, 2 Yuh-Der Road, Taichung City 40447
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Source of Support: None, Conflict of Interest: None

DOI: 10.1016/j.tjo.2014.08.002

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The case is reported of a patient with pulmonary and ocular tuberculosis presenting with blurred vision in both eyes. A 27-year-old well-nourished male nursing-home resident with a previous history of traumatic intracerebral hemorrhage was brought to the ophthalmological clinic due to progressively blurred vision. His best-corrected visual acuity was 20/400 in the right eye with only light perception in the left eye. Fundus examinations revealed retinal segmental periphlebitis and hemorrhagic retinitis in the right eye and dense vitreous hemorrhage in the left eye. The Mantoux test was negative; however, the results of an interferon gamma release assay were positive. Ocular tuberculosis was suspected. Although he had never had any respiratory symptoms, his chest radiograph and computed tomography scan showed a multiple centrilobular glandular and ground-glass appearance with air-space consoli dations and atelectasis in both lower lobes. Pulmonary tuberculosis was confirmed by a positive acid-fast stain of a bronchial alveolar lavage sample. A GEN-PROBE amplified Mycobacterium tuberculosis direct test of the vitreous fluids was also positive. Ocular tuberculosis was confirmed. After treatment for tuberculosis and vitrectomies, his final best-corrected visual acuity improved to 20/30 in the right eye and 20/200 in the left eye. Ocular tuberculosis is rarely reported as the primary presentation of systemic tuberculosis in young patients. A negative Mantoux test may lead to misdiagnosis and delayed treatment. Doctors should become more familiar with the manifestations of systemic tuberculosis and use advanced diagnostic tools in cases of clinical suspicion.

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