Person: YURTSEVER, İSMAİL
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Publication Metadata only Meme kanseri beyin metastazlarının moleküler subgruplarının difüzyon tensor görüntüleme ile değerlendirilmesi(2019-04-27T00:00:00Z) Yurtsever, İsmail; Gültekin, Mehmet Ali; Yılmaz, Temel Fatih; Türk, Hacı Mehmet; Alkan, Alpay; YURTSEVER, İSMAİL; GÜLTEKİN, MEHMET ALİ; YILMAZ, TEMEL FATİH; TÜRK, HACI MEHMET; ALKAN, ALPAYPublication Metadata only Akciğer kanserli olgularda intrakranial metastazlarının primer hücre tipinin belirlenmesinde DTG’nin etkinliği(2018-11-10T00:00:00Z) Bilgin, Mehmet; Yurtsever, İsmail; Türk, Hacı Mehmet; Alkan, Alpay; BİLGİN, MEHMET; YURTSEVER, İSMAİL; TÜRK, HACI MEHMET; ALKAN, ALPAYPublication Metadata only Primary diffuse leptomeningeal gliomatosis(2016-01-01) Çetinkaya, EZRA; ARALAŞMAK, AYŞE; TOPRAK, HÜSEYİN; YILDIZ, ŞEYMA; YURTSEVER, İSMAİL; ALKAN, ALPAY; ÇETİNKAYA, EZRA; ARALAŞMAK, AYŞE; TOPRAK, HÜSEYİN; YILDIZ, ŞEYMA; YURTSEVER, İSMAİL; ALKAN, ALPAYPublication Metadata only Correlation Between DTI Findings and Volume of Corpus Callosum in Children with Autism(2019-01-01T00:00:00Z) Temur, Hafize Otcu; YURTSEVER, İSMAİL; YEŞİL, GÖZDE; SHARIFOV, RASUL; Yilmaz, Fatih Temel; DÜNDAR, TOLGA TURAN; ALKAN, ALPAY; YURTSEVER, İSMAİL; YEŞİL, GÖZDE; SHARIFOV, RASUL; YILMAZ, TEMEL FATİH; DÜNDAR, TOLGA TURAN; ALKAN, ALPAYBackground: Autism Spectrum Disorder (ASD) is a complex developmental disorder in which neurological basis is largely unknown. The Corpus Callosum (CC) is the main commissure that connects the cerebral hemispheres. Previous evidence suggests the involvement of the CC in the pathophysiology of autism.Publication Metadata only Magnetic Resonance Spectroscopy Features of the Visual Pathways in Patients with Glaucoma.(2018-10-05) Aksoy, DÖ; Umurhan, Akkan; Alkan, ALPAY; Yurtsever, İ; Otçu, Temur; ALKAN, ALPAY; YURTSEVER, İSMAİLPurposeThe aim of the study was to investigate any metabolic changes on magnetic resonance spectroscopy (MRS) throughout the visual pathway of the brain in patients with glaucoma and a control group and correlate the results with clinical findings.Material and MethodsA total of 87 patients were enrolled in the study, 30 healthy controls, 25 glaucoma, 16 suspected glaucoma (GS) and 16 ocular hypertension (OHT) patients. A single voxel MRS on TE 30ms was performed by placing the volume of interest (VOI) on the corpus geniculatum laterale (CGL) and primary visual cortex (VC). Peak values of metabolites, such as N-acetyl aspartate (NAA), creatine (Cr), choline (Cho) and Myo-inositol (Ins) were investigated on MRS. The MRS results were correlated with age, intraocular pressure (IOP), retinal nerve fiber length (RNFL), mean deviation (MD) and cup disk ratio (CD).ResultsThe NAA values obtained from the CGL in glaucoma and GS cases were lower than the healthy control group. The Cho values at CGL in glaucoma were lower than GS and controls. There was a negative correlation between NAA values of the VC and CD in glaucoma cases. Additionally, there was a negative correlation between age and RNFL in both glaucoma and GS cases.ConclusionThe use of MRS can reveal neurodegeneration in CGL and VC in patients with glaucoma. Depiction of metabolic changes throughout the visual pathways via MRS will guide the treatment planning and follow-up in glaucoma and GS cases.Publication Metadata only GAMMA KNİFE RADYOCERRAHİ İLE TEDAVİ EDİLEN AKUSTİK NÖROMALI OLGULARDA İŞİTME YOLAKLARININ DTG BULGULARI: BİR YILLIK TAKİP SONUÇLARIMIZ(2017-11-04) KURTCAN, SERPİL; HATİBOĞLU, MUSTAFA AZİZ; ALKAN, ALPAY; YURTSEVER, İSMAİL; AKSOY, DİRENÇ ÖZLEM; OTÇU, HAFİZE; KURTCAN, SERPİL; HATİBOĞLU, MUSTAFA AZİZ; ALKAN, ALPAY; YURTSEVER, İSMAİL; AKSOY, DİRENÇ ÖZLEM