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.
|Published (Last):||26 February 2010|
|PDF File Size:||19.41 Mb|
|ePub File Size:||5.47 Mb|
|Price:||Free* [*Free Regsitration Required]|
All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License.
Bartonella henselae IgG was positive at a titer of 1: Although the prognosis is on the whole good there may be residual loss of visual acuity, disc pallor, afferent pupillary defects and retinal pigmentary changes. The macular star formation may not develop until 1 to 2 weeks after the initial presentation 6. Diagnosis, management, and sequelae. Optic neuropathy due to cat scratch arranhadhra is a relatively infrequent occurrence associated with macular star formation and is characterized by sudden painless loss of vision mostly unilateral.
Optic neuropathy secondary to cat scratch disease: However, systemic antibiotics do seem to shorten the disease duration and speed visual recovery.
Erythrocyte sedimentation rate was 4 mm. The most common ocular manifestations is the Parinaud syndrome that consist of fever, regional lymphadenopathy, and follicular conjuntivitis, followed by the neuroretinitis 2. Whether immunocompetent individuals with ocular cat scratch disease need arrannadura is debatable since the natural progression is for complete recovery within a few months.
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. Macular hole in cat scratch disease. Neuroretinitis is a form of optic neuropathy, characterized by acute painless visual loss in association with optic disc swelling and macular stellated exsudate.
Ocular bartonelosis is usually self-limited with complete or near-complete recovery of vision in otherwise healthy patients. He denied pain on arranhacura movements and had no systemic or neurological complaints.
Other posterior segment presentations of B. Relatamos o caso de um adolescente com neuroretinite causada por B. Bartonella henselae is well recognized as the etiologic agent in cat scratch disease. Optic disk edema associated with peripapillary serous retina detachment: How to cite this article.
The prominent right relative afferent pupillary defect persisted. Neuroretinitis is characterized by acute visual loss due to optic nerve gayo associated with macular exudates in a starlike pattern. The Optic Neuritis Treatment Trial has shown that intravenous administration of high-dose steroids decreases the risk of progression of arranhadura neuropathy to multiple sclerosis within 2 years of follow-up 5.
Serologic tests to toxoplasmosis, cytomegalovirosis and HIV 1 and 2 were negative. Other manifestations are less common hepato-esplenomegaly, granulomatous hepatitis, osteomyelitis, encephalitis, glomerulonephritis, endocardites, and pneumonia.
Alternatives to azythromycin include rifampicin, ciprofloxaxin, gentamicin, and trimethoprim-sulfamethoxazole, in order of increased effectiveness 2.
Tuberculin areanhadura test was 6 mm. Optic neuropathy due cat scratch disease is a relatively infrequent occurrence caused by Bartonella henselae. A year-old healthy boy suddenly noticed a painless vision loss in his right eye. The typical cat scratch disease is characterized by lymphadenopathy with fever, benign and self-limited, with no other signs or symptoms 3.
It is tipically unilateral and has an excellent prognosis regardless of treatment. The fundoscopy in the left eye was unremarkable but in the right eye revealed a diffusely swollen, hyperemic optic disc, serous detachment extending from the disc to the macula, and macular exudates in a stellate pattern Figure 1 OD. The optic disc swelling was markedly reduced and the macula stellate exsudates doenxa.
Optic neuropathy can be due to various causes that show significant overlap in clinical presentation and clinical examination 1.
The patient started a 3-week course of oral mg Doxycycline once daily. Macular star in neuroretinitis. Other infectious causes include syphilis, Lyme disease, viruses and diffuse unilateral subacute neuroretinitis.
Cats are the major reservoir for B. Once transmitted to humans, following the scratch or bite of a kitten or adult cat, B. Rua Casa do Ator, – cj. There are reports of ocular Bartonella disease with optic disc edema ca retinal detachment without the classic macular stellate exudative 9. Dyschromatopsia was seen in right eye. Magnetic resonance images of the head and orbits were normal. The diagnosis of the underlying cause of optic neuropathy should be established as soon as possible.
However, it has been only a quarter agranhadura a century since Bartonella henselae was identified as the etiologic agent. The most common posterior segment ocular complication of B. The response to infection depends arranjadura the immune status of the infected host. The diagnosis of B.
Arch Soc Esp Oftalmol. We describe a case of ocular bartonellosis in one adolescent, with unilateral sudden painless vision loss and neuroretinitis. A case of a boy with neuroretinitis caused by B. Beyond cat scratch disease: Pattern visual evoked potentials in eyes with disc swelling due cat scratch disease-associated neuroretinitis. Chest x-ray, complete blood count with differential was doena.