Tıp Fakültesi / Faculty of Medicine

Permanent URI for this collectionhttps://hdl.handle.net/11727/1403

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2014 - 20153

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Author: search.filters.author.Demir, Senaysearch.filters.applied.f.publicationcategory: search.filters.publicationcategory.Makale - Ulusal Hakemli Dergi

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    Diffusion MR Imaging in Sporadic Creutzfeldt-Jakob Disease
    (2014) Pekoz, Burcak Cakir; Alkan, Ozlem; Giray, Semih; Demir, Senay; Altinkaya, Naime; 0000-0001-7526-3460; 0000-0003-1348-8167; 0000-0002-4209-9075; 0000-0002-0722-3181; AAM-4169-2021; AAM-5169-2021; AAK-9310-2021; AAH-1091-2020
    Creutzfeldt-Jakob disease (CJD) is a rare dementing disease and is thought to caused by a prion. It is characterized by rapidly progressive dementia, ataxia, myoclonus, akineticmutism and eventual death. Brain biopsy or autopsy is required for a definitive diagnosis of CJD. Diffusion-weighted imaging became an important tool for early diagnosis of CJD because of the high sensitivity. We present 59-year-old female patient diagnosed as sporadic CJD with typical MR imagings.
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    Acute Cerebral Venous Sinus Thrombosis: Two Different Presentations
    (2014) Kilicaslan, Buket; Erol, Ilknur; Demir, Senay; Yazici, Nalan; AAW-9958-2021
    Acute cerebral venous sinus thrombosis is a rare disorder in children, but is often secondary to infections. The clinical features of cerebral venous sinus thrombosis are based on the localization and size of the affected vessel and age of the patient. In this article we encountered two different presentations of acute cerebral venous sinus thrombosis in two children aged 8 and 12 years old.
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    Evaluation of the Ophtalmic Artery Flow Pattern with Color-Doppler Ultrasonography in the Patients with Carotid Artery Stenosis
    (2015) Demir, Senay; Akgul, Erol; Aikimbaev, Kairgeldy; Tokmak, Naime; Inal, Mehmet; Aksungur, Erol
    Purpose: To assess whether ophtalmic artery flow patterns reflect the status of cerebral circulation in patients with carotid artery stenosis. Material and Method: Twenty-four patients including 14 men and 10 women, with varying degrees of monolateral or bilateral carotid artery stenosis were included in the study. Patients' ages ranged between 32 and 79 years (mean 60). The control group was composed of 12 subjects without carotid artery stenosis who had undergone digital substaction angiography for different purposes. Digital substraction angiography and color-Doppler ultrasonography were performed in all the patients and the control group. Degrees of carotid artery stenosis and flow patterns and velocities, pulsatility and resistance indices of ophtalmic arteries of two groups were compared. Results: Significant differences in ophtalmic artery flow patterns and velocities, pulsatility and resistance indices between those patients with carotid artery stenosis of more than 70% and the control group were recorded. Conclusion: Imaging of the ophtalmic artery with color-Doppler ultrasonography is a useful and cost-effective method that reflects the status of cerebral circulation in patients with carotid artery stenosis.