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Ocul Immunol Inflamm. 2019;27(3):396-398. doi: 10.1080/09273948.2017.1409357. Epub 2017 Dec 28.

Neuroretinitis Secondary to Bartonella Henselae in a Patient with Myelinated Retinal Nerve Fibers: Diagnostic Dilemmas and Treatment.

Author information

1
a Department of Ophthalmology , Express Service , Thessaloniki , Greece.
2
b Department of Ophthalmology , University of Thessaly , Larissa , Greece.
3
c Department of Ophthalmology , 424 Military Hospital , Thessaloniki , Greece.

Abstract

Purpose: To report an unusual case of Bartonella henselae neuroretinitis (BHNR) in a patient with myelinated retinal nerve fibers (MRNFs). Methods: A 56-year-old male presented for a consultation, because of a decrease in visual acuity from his right eye. Onset was unclear and the patient was not sure if this was a new symptom. Results: Fundoscopy revealed MRNF without any other clinical findings. After 2 weeks, the patient returned complaining of further visual acuity decrease. Fundoscopy disclosed macular star formation. The patient was treated with azithromycin. The visual acuity deteriorated to 20/400 and we added systemic corticosteroids with slight improvement of the visual fields but minimal visual gain to 20/160. Serology test results were positive for BH (IgG titers>1/256). Conclusions: Co-existence of BHNR and MRNF can create diagnostic dilemmas. The presence of myelinated nerve sheath in combination with the expected swelling in neuroretinitis may have caused an irreversible mechanical nerve damage.

KEYWORDS:

Bartonella; macular star; myelinated nerve fibers; neuroretinitis; vision loss

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