نتایج جستجو برای: hyperfluorescence region
تعداد نتایج: 538154 فیلتر نتایج به سال:
OBJECTIVES/HYPOTHESIS High-resolution optical imaging is an imaging modality that allows visualization of structural changes in epithelial tissue in real time. Our prior studies using contrast-enhanced microendoscopy to image squamous cell carcinoma in the head and neck demonstrated that the contrast agent, proflavine, has high affinity for keratinized tissue. Thus, high-resolution microendosco...
CLINICAL CASE A 37-year-old man was referred because of a bilateral loss of visual acuity and metamorphopsia. On examination there was yellowish exudation bilaterally associated with serous retinal detachments, corresponding to hyperfluorescence spots in the early stage of fluorescein angiography. Photocoagulation of the leakage spots was performed in both eyes. Six months later he had recovere...
Severe, white sheathing of the retinal vessels and yellowish-white placoid lesions, suggesting frosted-branch angiitis, were found in both fundi of a 24-year-old woman. Fluorescein angiography showed hypofluorescence of the placoid lesions in the early phase and hyperfluorescence in the late phase. Indocyanine green angiography showed hypofluorescence during all phases. These findings imply an ...
We report a case with lacquer cracks observed in the peripheral fundus. A 37-year-old patient with bilateral high myopia who visited our clinic was examined by fluorescein angiography (FA) and fundus autofluorescence (FAF) to determine whether there were myopic fundus lesions. FA showed many arch-shaped, hyperfluorescent linear lesions running circumferentially in the peripheral fundus. FAF sho...
We report herein an unusual case of diffuse infiltrating retinoblastoma involving the brain, which caused a patient's death 27 months after enucleation. An eight-year-old boy complained of blurred vision in his right eye (OD) in October 2006. Funduscopic examination showed optic disc swelling, dense whitish vitreous opacity, and an orange-colored subretinal elevated lesion adjacent to the optic...
PURPOSE This study was performed to determine what role indocyanine green video angiography might play in the evaluation of choroidal melanomas, and to compare this role with that of fluorescein angiography. METHODS Six patients with posterior segment uveal melanoma underwent digital fluorescein and indocyanine green videoangiography. All patients were women and their mean age was 50.7 years....
PURPOSE To report a case of a 20-year-old female with decreased visual acuity (VA) in the left eye (LE). METHODS This is a retrospective and descriptive case report based on data from clinical records, patient observation and analysis of diagnostic tests. RESULTS A 20-year-old female presented with decreased VA in the LE for 3 days. Best-corrected visual acuity (BCVA) was 20/20 in the right...
To report a single case of improvement on choroidal metastasis of breast cancer after laser photocoagulation. A 52-year-old female patient who complained of visual disturbance of the right eye with multiple states of metastasis of breast carcinoma. On initial examination, the right best-corrected visual acuity was 0.63. Right fundoscopy revealed an elevated mass-like lesion temporal to the macu...
This study correlates fluorescein angiography (FA) and indocyanine green angiography (ICGA) to histopathologic findings in a patient with sympathetic ophthalmia. A male with a perforated trauma in right eye presented after two months a decrease in visual acuity of the left eye. FA and ICGA were performed and the images were correlated with the histopathologic findings of the enucleated eye; FA ...
PURPOSE To evaluate the histopathological characteristics of choroidal neovascular membranes excised from eyes of patients with age-related macular degeneration (AMD) and to correlate their characteristics with the clinical features of AMD. METHODS Choroidal neovascular tissues were excised from 3 patients with AMD and examined by light and confocal scanning laser microscopy. The clinical fea...
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