Abstract: Relato de caso de doença da arranhadura do gato (DAG), em um paciente lactente, com história epidemiológica negativa, descrevendo o. Request PDF on ResearchGate | On Jan 1, , Mauricio Magalhaes Costa and others published Doença de arranhadura do gato simulando carcinoma oculto. (conjuntivite com adenite satélite pré-auricular) causada por Bartonella henselae, o agente etiológico da Doença da Arranhadura do Gato.

Author: Dashura Faenris
Country: Turks & Caicos Islands
Language: English (Spanish)
Genre: Literature
Published (Last): 17 December 2013
Pages: 114
PDF File Size: 3.62 Mb
ePub File Size: 4.27 Mb
ISBN: 325-8-76500-395-1
Downloads: 72946
Price: Free* [*Free Regsitration Required]
Uploader: Mezigul

They are small, fastidious, intracellular Gram-negative bacilli that are aerobic and oxidase-negative 2. The typical cat scratch disease is characterized by lymphadenopathy with fever, benign doeenca self-limited, with no other signs or symptoms 3.

The patient started a 3-week course of oral mg Doxycycline once daily. Bartonella henselae is well arrangadura as the etiologic agent in cat scratch disease.

Optic neuropathy due to cat scratch disease is a relatively infrequent occurrence associated with macular star formation and is characterized by sudden painless loss of vision mostly unilateral. The swinging flashlight test showed a prominent right relative afferent pupillary defect. The response to infection depends on the immune status of the infected host.


Once transmitted to humans, doenac the scratch or bite of a kitten or adult arranyadura, B. Other posterior segment presentations of B.

Doença por arranhadura do gato

The optic disc swelling diminished and the macular stellate remained in the temporal side. The diagnosis of B. Cats are the arrahhadura reservoir for B. The macular exudates take months to resolve, and even after resolution, patients may experience abnormal color vision and evoked potentials, subnormal contrast sensitivity, residual disc pallor, afferent pupillary defects, retinal pigment changes, and mildly decreased visual acuity 2,8. Neuroretinitis is characterized by acute visual loss due to optic nerve edema associated with macular exudates in a starlike pattern.

Cerebrospinal fluid zrranhadura revealed normal cell count, normal chemistries, and absent oligoclonal bands.

Optic neuropathy secondary to cat scratch disease: case report

Neuroretinitis is a form of optic neuropathy, characterized by acute painless visual loss in association with optic disc swelling and macular stellated exsudate. Erythrocyte sedimentation rate was 4 mm. Optic neuropathy secondary to cat scratch gatl However, systemic antibiotics do seem to shorten the disease duration and speed visual recovery.

A case of a boy with neuroretinitis caused by B.

Services on Demand Journal. The exact prevalence of neuroretinitis by B.

Ocular bartonelosis is usually self-limited with complete or near-complete recovery of vision in otherwise healthy patients. Rua Casa do Ator, – cj. Bartonella henselae infection associated with neuroretinitis, central retinal artery and vein occlusion, neovascular glaucoma, and severe vision loss.


Optic neuropathy refers to a clinical disorder characterized by sudden-to-chronic loss of vision in one or both eyes due to optic nerve dysfunction that might be idiopathic, ischemic, primary demyelinating, infectious, or inflammatory in etiology 1.

Chest x-ray, complete blood count with differential was normal. Magnetic resonance images of the head and orbits were normal. The pupillary response was normal. He denied pain on eye movements and had no systemic or neurological complaints.

Dyschromatopsia was seen in right eye. Early signs that help to distinguish B. Whether immunocompetent individuals with ocular cat scratch disease need treatment is debatable since the natural progression is for complete recovery within a few months. Macular star in neuroretinitis. However, it has been only a quarter of a century since Bartonella henselae was identified as the etiologic agent.