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ÖZDEMİR, HÜSEYIN

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Start date: 2010 × End date: 2019 × Author: TOPRAK, HÜSEYİN ×

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Now showing 1 - 8 of 8
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    MRI findings in crural compartment syndrome: A case series
    (2014-01-01) YILMAZ, TEMEL FATİH; TOPRAK, HÜSEYİN; Bilsel, Kerem; ÖZDEMİR, HÜSEYİN; ARALAŞMAK, AYŞE; ALKAN, ALPAY; YILMAZ, TEMEL FATİH; TOPRAK, HÜSEYİN; BİLSEL, İSMAIL KEREM; ÖZDEMİR, HÜSEYIN; ARALAŞMAK, AYŞE; ALKAN, ALPAY
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    Comparison of TOF MRA, Contrast-Enhanced MRA and Subtracted CTA from CTP in Residue Evaluation of Treated Intracranial Aneurysms
    (2018-01-01) Dundar, TOLGA TURAN; Kits, Serkan; Ozdemir, HÜSEYİN; Seyithanoglu, MEHMET HAKAN; Uysal, Omer; Toprak, HÜSEYİN; Ozek, ERDİNÇ; Alkan, ALPAY; DÜNDAR, TOLGA TURAN; ARALAŞMAK, AYŞE; ÖZDEMİR, HÜSEYIN; SEYİTHANOĞLU, MEHMET HAKAN; UYSAL, ÖMER; TOPRAK, HÜSEYİN; KİTİŞ, SERKAN; ÖZEK, ERDİNÇ; ALKAN, ALPAY
    AIM: To compare effectiveness of contrast-enhanced magnetic resonance angiography (CE-MRA), 3D-Time-of-flight magnetic resonance angiography (3D-TOF-MRA) and subtracted computed tomography angiography from computed tomography perfusion (sub-CTA) in residue evaluation of intracranial aneurysms treated either with coiling or clipping.
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    Comparison of TOF MRA, Contrast-Enhanced MRA andSubtracted CTA from CTP in Residue Evaluation of TreatedIntracranial Aneurysms
    (2017-08-20) dündar, tolga; ARALAŞMAK, AYŞE; ÖZDEMİR, HÜSEYİN; SEYİTHANOĞLU, MEHMET HAKAN; UYSAL, ÖMER; TOPRAK, HÜSEYİN; KİTİŞ, SERKAN; özek, erdinç; ALKAN, ALPAY; ARALAŞMAK, AYŞE; ÖZDEMİR, HÜSEYIN; SEYİTHANOĞLU, MEHMET HAKAN; UYSAL, ÖMER; TOPRAK, HÜSEYİN; ALKAN, ALPAY
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    PublicationOpen Access
    Unusual sclerosing orbital pseudotumor infiltrating orbits and maxillofacial regions
    (2014-05-01) TOPRAK, HÜSEYİN; ARALAŞMAK, AYŞE; YILMAZ, TEMEL FATİH; ÖZDEMİR, HÜSEYİN; TOPRAK, HÜSEYİN; ARALAŞMAK, AYŞE; YILMAZ, TEMEL FATİH; ÖZDEMİR, HÜSEYIN
    Idiopathic orbital pseudotumor (IOP) is a benign inflammatory condition of the orbit without identifiable local or systemic causes. Bilateral massive orbital involvement and extraorbital extension of the IOP is very rare. We present an unusual case of IOP with bilateral massive orbital infiltration extending into maxillofacial regions and discuss its distinctive magnetic resonance imaging (MRI) features that help to exclude other entities during differential diagnoses.
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    Hyperperfusion in Carotid Stenting Patients
    (2015-05-01) Aralasmak, AYŞE; ATAY, Musa; Toprak, HÜSEYİN; OZDEMIR, Tugce; Asil, TALİP; GOKTEKIN, Omer; MEHDI, Elnur; Ozdemir, HÜSEYİN; Alkan, ALPAY; ARALAŞMAK, AYŞE; TOPRAK, HÜSEYİN; ASİL, TALIP; ÖZDEMİR, HÜSEYIN; ALKAN, ALPAY
    Purpose: This study aimed to define hyperperfusion in carotid stenting patients without excluding patients with stenosis on the contralateral side.
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    Diffusion tensor imaging findings of the brainstem in subjects with tonsillar ectopia
    (2018-03-01) Kurtcan, SERPİL; Alkan, ALPAY; YETIS, Huseyin; TÜZÜN, Umit; Aralasmak, AYŞE; Toprak, HÜSEYİN; Ozdemir, HÜSEYİN; KURTCAN, SERPİL; ALKAN, ALPAY; ARALAŞMAK, AYŞE; TOPRAK, HÜSEYİN; ÖZDEMİR, HÜSEYIN
    We aimed to evaluate the differences between apparent diffusion coefficient (ADC), fractional anisotropy (FA), axial diffusivity (AD), and radial diffusivity (RD) values obtained from different cranial sites in subjects with Chiari I Malformation (CM-I) and borderline tonsillar ectopia (BTE), and to determine correlations between diffusion tensor imaging (DTI) metrics and the severity of tonsillar ectopia. A total of 73 subjects with CM-I and BTE and 35 control underwent MRI and DTI. In our study, ADC values measured from the level of medulla oblongata and the RD values measured in middle cerebellar peduncles, thalamus, and globus pallidus were higher in CM-I patients than in controls. FA values at the medulla oblongata level and AD values at the medulla oblongata and pons level higher in patients with CM-I. ADC and AD values measured at the pons level were higher in BTE subjects than in controls. Compared with BTE, the CM-I subjects- ADC values at the medulla oblongata and AD values at the pons level were higher. In addition, FAs at the pons and medulla oblongata level were higher. At the medulla oblongata level, a positive correlation was observed between ADC and the size of tonsillar ectopia. AD and FA values measured at the level of medulla oblongata and pons were positively correlated with the size of tonsillar ectopia. These findings may be related to the severity of microstructural changes involving neuronal tracts at the brainstem level due to tonsillar ectopia. DTI may be useful in determining the extent of microstructural changes at the tissue level in subjects with tonsillar ectopia.
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    The Contribution of DTI in Determining the Relationship of Epilepsy and Brain Lesions in Children with Tuberous Sclerosis
    (2018-01-01) Kurtcan, SERPİL; Alkan, ALPAY; GULER, Serhat; Yesil, GÖZDE; Toprak, HÜSEYİN; Tüzün, Umit; YETIS, Huseyin; Aralasmak, AYŞE; Ozdemir, HÜSEYİN; Iscan, AKIN; KURTCAN, SERPİL; ALKAN, ALPAY; YEŞİL, GÖZDE; TOPRAK, HÜSEYİN; ARALAŞMAK, AYŞE; ÖZDEMİR, HÜSEYIN; İŞCAN, AKIN
    Background: In spite of the fact that advanced neuroimaging applications are used for the evaluation of Tuberous Sclerosis (TS) patients, a few studies analyzed relationship between the measurements of DTI (diffusion tensor imaging) and neurological findings.
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    PublicationOpen Access
    Venous drainage patterns in carotid cavernous fistulas
    (2017-01-01) ARALAŞMAK, AYŞE; KARAALİ, KAMİL; ÖZDEMİR, HÜSEYİN; ALKAN, ALPAY; TOPRAK, HÜSEYİN; SİNDEL, TİMUR; ŞENOL, UTKU; ÇEVİKOL, CAN; ARALAŞMAK, AYŞE; TOPRAK, HÜSEYİN; ÖZDEMİR, HÜSEYIN; ALKAN, ALPAY
    Purpose. The carotid-cavernous fistula (CCF) is an abnormal arteriovenous communication and its drainage pathways may affect the clinic presentation and change treatment approach. We evaluated drainage patterns of CCFs by digital subtraction angiography (DSA) and categorized drainage pathways according to their types and etiology. Materials and Methods. Venous drainage patterns of 13 CCFs from 10 subjects were studied and categorized as anterior, posterior, superior, inferior, and contralateral on DSA. Drainage patterns were correlated to types and etiology of CCFs. Diagnosis of CCFs was first made by noninvasive imaging techniques. Results. On DSA, traumatic CCFs were usually high flow, direct type while spontaneous CCFs were usually slow flow, indirect type. Bilaterality and mixed types were observed among the indirect spontaneous CCFs. In all CCFs, anterior and inferior drainages were the most common. Contrary to the literature, posterior and superior drainages were noted only in high flow and long standing direct fistulas. Contralateral drainage was not observed in all, supporting plausible compartmentalization of cavernous sinuses. Conclusion. Types, etiology, and duration of the CCFs may affect their drainage patterns. DSA is valuable for categorization of CCFs and verification of drainage patterns. Drainage pathways may affect the clinic presentation and also change treatment approach.