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.

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Early signs that help to distinguish B.

Optic disk edema associated with peripapillary serous retina detachment: Cat scratch disease has been reported in the literature for more than half a century as a syndrome of regional lymphadenopathy and fever. Optic neuropathy due to cat scratch disease is a relatively infrequent occurrence associated with macular star formation and is characterized by sudden dk loss of vision mostly unilateral.

The diagnosis of the underlying cause of optic neuropathy should be established as soon as arranhadhra. On MRI, the optic-globe nerve junction is highly specific for B. The most common posterior segment ocular complication of B. Relatamos o caso de um adolescente com neuroretinite causada por B.

Optic neuropathy secondary to cat scratch disease: case report

They are small, fastidious, intracellular Gram-negative bacilli that are aerobic and oxidase-negative 2. All the contents of this arranhaxura, except where otherwise noted, is licensed under a Creative Commons Attribution License. The patient referred scratches on the left arm by a kitten two weeks before his eyesight was affected. Bartonella henselae infection associated with neuroretinitis, central retinal artery and vein occlusion, neovascular glaucoma, and severe vision loss.


Diagnosis, management, and sequelae. How to cite this article.

However, systemic antibiotics do seem to shorten the disease duration and speed visual recovery. The response to arrnhadura depends on the immune status of the infected host. Cats are the major reservoir for B. A case of a boy with neuroretinitis caused by B. The exact prevalence of neuroretinitis by B. The most common ocular manifestations is the Parinaud syndrome that consist of fever, regional lymphadenopathy, and follicular conjuntivitis, followed by the neuroretinitis 2.

Optic neuropathy can be due to various causes that show significant overlap in clinical presentation and clinical examination 1. Neuroretinitis is a form of optic neuropathy, characterized by acute painless visual loss in eo with optic disc swelling and macular stellated exsudate. 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.

Doença por arranhadura do gato – Wikipédia, a enciclopédia livre

Once transmitted to humans, following the scratch or bite of a kitten or adult cat, B. The diagnosis of B. The optic disc swelling was markedly reduced and the macula stellate exsudates remained.

Neuroretinitis is characterized by acute visual loss due to optic nerve edema associated with macular exudates in a starlike pattern. The pupillary response was normal. A year-old healthy boy suddenly noticed a painless vision loss in his right eye.

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Magnetic resonance images of the head and orbits were normal. Dyschromatopsia was seen in right eye. Chest x-ray, complete blood count with differential was arranhadra. He denied pain on arrangadura movements and had no systemic or neurological complaints. The macular star formation may not develop until 1 to 2 weeks after the initial presentation 6. The prominent right relative afferent pupillary defect persisted. Erythrocyte sedimentation rate was 4 mm.

Rua Casa do Ator, – cj.

Although the donca is on the whole good there may be residual loss of visual acuity, disc pallor, afferent pupillary defects and retinal pigmentary changes. Macular hole in cat scratch disease. Optic neuropathy secondary to cat scratch disease: The typical cat scratch disease is characterized by lymphadenopathy with fever, benign and self-limited, with no other signs or symptoms 3. Bartonella henselae is well recognized as the etiologic agent in cat scratch disease.

Doença por arranhadura do gato

Optic neuropathy due cat scratch disease is a relatively infrequent occurrence caused by Bartonella henselae. It is tipically unilateral and has an excellent prognosis regardless of treatment. Bartonella henselae Arranhaxura was positive at a titer of 1: