Introduction: Cat scratch disease is an infection caused by Bartonella henselae, usually transmitted to humans through cat scratch or bite. The most common clinical manifestation is lymphadenitis, but 5 to 10% of patients with cat scratch disease may have ocular involvement. Objectives and methodology: This work aims to report a case of Neuroretinitis optica by Bartonella Henselae. Data were collected through analysis of medical records with the patient’s consent. Results / Case report: Female, 22 years old, born in Joinville, presented, acutely, decreased visual acuity in RE, without pain on eye movement. She reported flu with fever in the previous month and denied recent vaccination. Visual acuity was 20/40 in RE and the fundus revealed papilla edema, hemorrhage and uveitis (+ / 4 +). In laboratory tests there were no changes. Serology for toxoplasmosis revealed a slight increase in IgM and the other serologies were negative. Sulfamethoxazole 800 mg / trimethoprim 160 mg started 12/12 hs and prednisone 80 mg / day, without improvement. Evolved with worsening and visual acuity (20/100) in OD. Retinography showed vascular narrowing, papillary blurring, decreased foveal brightness and macular edema, configuring optic neuritis D, with no changes in the LE. The neurological evaluation did not find any findings other than visual changes. The CSF study, cranial and orbit MRs were normal. At that time, the patient reported having had contact with a dead kitten. Serology was positive for Bartonella (IgM 1/100). Doxycycline 100mg started at 12 / 12h. After 15 days, a stellate macula and a slight improvement in papilla edema were observed. The patient evolved with full recovery. Conclusion: B.henselae is the main etiological agent of DAG. Kittens are the main reservoirs of B.henselae. Contact with mucous membranes or conjunctivae may be involved. Cat scratch disease (GAD) has two clinical presentations. Typical GAD is characterized by subacute regional lymphadenopathy; atypical GAD is the designation for numerous manifestations involving several organs, and occurs in 10- 15% of cases, being responsible for Parinaud’s oculoglandular syndrome.
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