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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Services on Demand Journal. The response to infection depends on the immune status of the infected host. The typical cat scratch disease is characterized by lymphadenopathy with fever, benign and self-limited, with no other signs or symptoms 3.
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.
Doença da arranhadura do gato – Portuguese-German Dictionary
He denied pain on eye movements and had no systemic or neurological complaints. Bartonella henselae infection associated with neuroretinitis, arranhadua retinal artery and vein occlusion, neovascular glaucoma, and severe vision loss. The exact prevalence of neuroretinitis by B. The Optic Neuritis Treatment Trial has shown that intravenous administration of high-dose steroids decreases the risk of progression of optic neuropathy to multiple sclerosis within 2 years of follow-up 5.
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. Optic neuropathy refers qrranhadura 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.
Doença da arranhadura do gato por Bartonella quintana em lactente: uma apresentação incomum
Optic neuropathy secondary to cat scratch disease: Magnetic resonance images of the head and orbits were normal. The prominent right relative afferent pupillary defect persisted. The most common ocular manifestations is the Parinaud syndrome that consist of fever, regional lymphadenopathy, and follicular conjuntivitis, followed by the neuroretinitis 2.
Alternatives to azythromycin include rifampicin, ciprofloxaxin, gentamicin, and trimethoprim-sulfamethoxazole, in order of increased effectiveness 2.
Cat scratch disease has been reported in the literature for more than half a century as a syndrome of regional lymphadenopathy and fever.
There are reports of ocular Bartonella disease with optic disc edema and retinal detachment without the classic macular stellate exudative 9.
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The optic disc swelling was markedly reduced and the macula stellate exsudates remained. The cat flea is responsible for the major mode of transmission between cats.
Serologic tests to toxoplasmosis, cytomegalovirosis and HIV 1 and doenxa were negative. How to cite this article.
It is tipically unilateral and has an excellent prognosis regardless of treatment. Ocular bartonelosis is usually self-limited with complete or near-complete recovery of vision in otherwise healthy patients.
The patient referred scratches on the left arm by a kitten two weeks before his eyesight was affected. We describe a case of ocular bartonellosis in one adolescent, with xa sudden painless vision loss and neuroretinitis.
Early signs that help to distinguish B. Neuroretinitis is characterized by acute visual loss due to optic nerve edema associated with macular exudates in a starlike pattern. Optic neuropathy due cat scratch disease is a relatively infrequent occurrence caused by Bartonella henselae. Tuberculin skin test was 6 mm. Dyschromatopsia was seen in right eye. 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.
Bartonella henselae is well recognized fa the etiologic agent in cat scratch disease. Arch Soc Esp Ca.
However, it has been only a quarter of a century since Bartonella henselae was identified as the etiologic agent.
Doença por arranhadura do gato
Optic disk edema associated with peripapillary serous retina detachment: Diagnosis, management, and sequelae. Bartonella henselae IgG was positive at a co of 1: The diagnosis of the underlying cause of optic neuropathy should be established as soon as possible.
On MRI, the optic-globe nerve junction is highly specific for B.
Relatamos o caso de um adolescente com neuroretinite causada por B. However, systemic antibiotics do seem to shorten the disease duration and doejca visual recovery. A case of a boy with neuroretinitis caused by B.
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. Cerebrospinal fluid studies revealed normal cell count, normal chemistries, and absent oligoclonal bands. Other posterior segment presentations of B. A year-old healthy boy suddenly noticed a painless vision loss in his right eye.
The macular star formation may not develop until 1 to 2 weeks after the initial presentation 6. The pupillary response was normal. Gati neuropathy can be due to various causes that show significant overlap in clinical presentation and clinical examination 1.
Macular star in neuroretinitis. Other infectious causes include syphilis, Lyme disease, viruses and diffuse unilateral subacute neuroretinitis. Denca sedimentation rate was 4 mm.
Chest x-ray, complete blood count with differential was normal. Once transmitted to humans, following the scratch or bite of a kitten or adult cat, B.