نتایج جستجو برای: choroidal fold

تعداد نتایج: 150365  

2014
O'Sam Shibeeb Paul Athanasiov Sumu Simon Jagjit Gilhotra

We report a patient with bilateral choroidal metastasis from disseminated cervical squamous cell carcinoma. A 52-year-old woman presented with progressive bilateral visual loss due to choroidal masses in both eyes. The fundus examination revealed posterior serous retinal detachment in both eyes associated with creamy choroidal lesions. A thorough systemic work-up revealed choroidal metastasis f...

2016
MARIA PEFKIANAKI KAREEM SIOUFI

Choroidal osteoma is a rare intraocular bony tumor that typically manifests as a yellow-white, well-demarcated mass with geographic pseudopodal margins.1-3 This benign tumor predominantly occurs in the peripapillary or papillomacular region, most often in young women.1,2 Occasionally, choroidal osteoma can simulate an amelanotic choroidal tumor such as melanoma, nevus, or metastasis.1,2 This tu...

2016
Fang Zheng Giovanni Gregori Karen B. Schaal Andrew D. Legarreta Andrew R. Miller Luiz Roisman William J. Feuer Philip J. Rosenfeld

Purpose To analyze the relationship between choroidal thickness and the distribution of choroidal blood vessels in eyes with nonexudative AMD. Methods Eyes with a diagnosis of nonexudative AMD were imaged using a prototype 100-kHz swept-source (SS) optical coherence tomography (OCT) instrument (Carl Zeiss Meditec, Dublin, CA, USA) with a central wavelength of 1050 nm. We used an OCT cube scan...

2012
Minoru Tanigawa Haruyuki Ochiai Yoko Tsukahara Yuko Ochiai Hiromitsu Yamanaka

PURPOSE To report 2 cases of Vogt-Koyanagi-Harada disease accompanied by remarkable choroidal folds in the acute stage. The early indicator of recurrence in these 2 cases was the identification of choroidal folds by spectral-domain optical coherence tomography (SD-OCT). CASE REPORTS A 68-year-old woman (Case 1) presented with visual loss in both eyes. Funduscopic examination revealed optic di...

2015
Yu Wakatsuki Ari Shinojima Akiyuki Kawamura Mitsuko Yuzawa Tailoi Chan-Ling

PURPOSE To assess and compare choroidal thickness changes related to aging, we determined whether changes are due to thinning of the choriocapillaris plus Sattler's (CS) layer and/or the large vessel layer in healthy eyes using swept-source optical coherence tomography (SS-OCT) at a wavelength of 1,050-nm. METHODS We studied 115 normal eyes of 115 healthy volunteers, all with refractive error...

Journal: :The British journal of ophthalmology 2004
S Muscat S Parks E Kemp D Keating

AIMS To establish the characteristics of secondary retinal changes associated with the presence of choroidal melanomas and choroidal naevi as documented by optical coherence tomography (OCT). METHODS Twenty patients with untreated choroidal melanoma and 40 patients with presumed choroidal naevi managed by regular observation were included in the study. OCT scans across the surface of the tumo...

Journal: :Surgery Case Reports 2022

Choroidal melanoma is the most common primary intraocular malignancy in adults. Herein, authors report two cases of subretinal hemorrhage associated with it. The first case presented a large choroidal mass hemorrhage, no history trauma and diagnosis on ultrasound. second was initially diagnosed retinal detachment but during surgery pigmented observed, starting to bleed after scleral depression....

Journal: :The British journal of ophthalmology 1970
S S Hayreh

This clinico-pathological study has been carried out on benign and malignant choroidal melanomata with the following objects in view: (I) To find out the fluorescent pattern on fluorescence angiography which would distinguish a pigmented choroidal malignant melanoma from other lesions of similar appearance in the fundus of the eye, e.g. pigmented benign choroidal melanoma or nonneoplastic pigme...

2016
Patrícia correa

Optical coherence tomography (OCT) plays an instrumental role in the diagnosis and follow-up of several retinal and choroidal diseases such as macular degeneration, vascular occlusion, and inflammation. Recently, OCT studies of intraocular tumors evaluated the intrinsic optical characteristics of choroidal tumors imaged using enhanced depth imaging OCT (EDI-OCT). Among body structures, the chor...

2014
Dilraj S. Grewal Jonathan Chou Stuart D. Rollins Amani A. Fawzi

PURPOSE To analyze the topographic correlation between reticular pseudodrusen (RPD) visualized on infrared reflectance (IR) and choroidal vasculature using en-face volumetric spectral-domain optical coherence tomography (SD-OCT). METHODS A masked observer marked individual RPD on IR images using ImageJ (NIH, Bethesda, MD). Using the macular volume scan (Cirrus, Carl Zeiss Meditec Inc, Dublin,...

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