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Purpose: Describe a case series of ocular Cat-scratch-disease (CSD) with vision-threatening findings and poor outcomes, indicating severity of disease.Methods: Retrospective case series from the Uveitis Department of São Paulo Federal University from 2011 to 2015.Results: In this period, six eyes of four patients had confirmed diagnosis of CSD. Two were male and two female. Mean age was 24.8 years old [7-45]. Two had bilateral disease. Visual acuity at presentation ranged from no light perception to 20/25. Three patients were treated with doxycycline and one with clarithromycin and prednisone. Visual outcome after treatment ranged from counting fingers to 20/20: 5/6 eyes had final visual acuity of less than 20/40 and 3/6 had final visual acuity equal or less than 20/400.Conclusion: Although usually described as a benign disease with spontaneous resolution, CSD can present with atypical manifestations such as vascular angiomatous lesions, serous retinal detachment, and vascular occlusion syndromes, carrying a severe course and guarded prognosis. [ABSTRACT FROM AUTHOR]

Purpose: To report a unique case series of acute syphilitic posterior placoid chorioretinopathy (ASPPC) correlating en-face optical coherence tomography (OCT) with standard imaging modalities.Methods: In this retrospective case series, multimodal imaging was performed in three ASPPC patients at the time of disease presentation.Results: Clinical and laboratory findings were consistent with the diagnosis of ASPPC. In all the study patients, multiple hyperreflective dot-like lesions distributed in the macular area and observed with en-face OCT at the level of retinal pigment epithelium (RPE) corresponded to the nodular RPE elevations on cross-sectional OCT and to the hyperautofluorescent spots on fundus autofluorescence. In addition, the cross-sectional OCT scans showed disorganization of the outer retinal bands and punctate choroidal hyperreflectivity.Conclusion: By combining en-face OCT with multimodal imaging analysis, we propose that a primary inflammation at the level of the choroid may be the pathogenic mechanism for the occurrence of outer retinal band abnormalities. [ABSTRACT FROM AUTHOR]

Purpose: To report the fundus manifestations and spectral-domain optical coherence tomographic (SD-OCT) features of dengue fever presenting as Purtscher-like retinopathy.Methods: Retrospective review of two cases of dengue fever.Results: Color fundus photograph revealed the presence of cotton-wool spots in a Purtscher-like configuration in the posterior pole of all study eyes. SD-OCT demonstrated increased reflectivity signal in the inner retinal layers, and after a variable follow-up period, there was complete disappearance of cotton-wool spots and persistence of the hyperreflectivity signal.Conclusion: We report two unique cases of dengue fever associated with retinal lesions in a configuration of Purtscher-like retinopathy. [ABSTRACT FROM AUTHOR]