نتایج جستجو برای: microaneurysm

تعداد نتایج: 426  

Journal: :iranian journal of medical physics 0
meysam tavakoli m.sc. student of medical physics, faculty of medicine, mashhad university of medical sciences, mashhad, iran. alireza mehdizadeh assistant professor, medical physics dept., faculty of medicine, shiraz university of medical sciences, shiraz, iran. reza pourreza ph.d. student of computer engineering, ferdowsi university, mashhad, iran touka banaee associate professor, ophthalmology dept., faculty of medicine, mashhad university of medical sciences, mashhad, iran. , mohammad hossein bahreyni toossi professor, medical physics dept., faculty of medicine, mashhad university of medical sciences, mashhad, iran. hamid reza pourreza associate professor, computer engineering dept., ferdowsi university, mashhad, iran.

introduction: diabetic retinopathy (dr) is the single largest cause of sight loss and blindness in the working age population of western countries; it is the most common cause of blindness in adults between 20 and 60 years of age. early diagnosis of dr is critical for preventing vision loss so early detection of microaneurysms (mas) as the first signs of dr is important. this paper addresses th...

Journal: :AJNR. American journal of neuroradiology 2010
D Dai Y H Ding R Kadirvel D A Lewis D F Kallmes

BACKGROUND AND PURPOSE Intracranial aneurysms have been induced in mice, rats, rabbits, and primates through carotid artery ligation. We reviewed our experience with RCCA ligation to quantify the rate of aneurysm formation in rabbits. MATERIALS AND METHODS In 30 consecutive New Zealand white rabbits, the RCCA was ligated during surgery to create elastase-induced aneurysms. The basilar artery ...

2017
Ling Dai Bin Sheng Qiang Wu Huating Li Xuhong Hou Weiping Jia Ruogu Fang

Timely detection and treatment of microaneurysms (MA) is a critical step to prevent the development of vision-threatening eye diseases such as diabetic retinopathy. However, detecting MAs in fundus images is a highly challenging task due to the large variation of imaging conditions. In this paper, we focus on developing an interleaved deep mining technique to cope intelligently with the unbalan...

Journal: :Journal of the Chinese Medical Association : JCMA 2008
Tsung-Yu Ho Po-Kang Lin Cheng-Hsiung Huang

Ocular ischemic syndrome (OIS) is characterized by ocular symptoms and signs that are secondary to severe carotid artery obstruction. We report a 69-year-old man who suffered from progressively blurred vision in both eyes. Fundus examination showed scattered areas of retinal hemorrhage, some with a white center, in both eyes. Fluorescence angiography revealed multiple microaneurysm-like hyperfl...

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