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Now showing items 1-20 of 20
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A 9-year follow-up of a girl with pyridoxine (vitamin B6)-dependent seizures: magnetic resonance spectroscopy findings
DOĞAN, MÜBEYNA; DOĞAN, DERYA; KAHRAMAN, A. S.; ÖZCAN, ÖZLEM; Yakinci, C.; Alkan, ALPAY (2012-05-01)Being an extremely rare condition makes the diagnosis of pyridoxine-dependent seizures (PDS) difficult. Early diagnosis of PDS is very important to prevent unwanted clinical outcomes. Elevated levels of glutamate and ... -
Bilateral Congenital Cystic Eye Posterior to the Lower Eyelid: Case Report
Doganay, Selim; Alkan, ALPAY; ÇANKAYA, CEM; Firat, Penbegul (2012-08-01)One day after delivery, an infant boy was referred to our clinic with the complaint of bilateral inferior eyelid bluish discoloration and absence of globe in orbital space. External ocular examination showed no globe in ... -
Brain Perfusion MRI Findings in Patients with Behcet-s Disease
Alkan, ALPAY; GOKTAN, Asli; Karincaoglu, Yelda; KAMIŞLI, SUAT; Dogan, Metin; Oztanir, Namik; Turan, Nergiz; KOCAKOC, Ercan (2012-01-01)Objective. To search brain perfusion MRI (pMRI) changes in Behcet-s disease (BD) with or without neurological involvement. Materials and Method. The pMRI were performed in 34 patients with BD and 16 healthy controls. Based ... -
Cerebral venous Sinus thrombosis after spinal anesthesia: Case report Spinal Anestezi Sonrasi{dotless} Gelişen Serebral Ven Sinüs Trombozu: Olgu Sunumu
YÜCEL, NESLİHAN; Akgün, Feride Sinem; Tekin, Yusuf Kenan; ALTINAYAR, SİBEL; Alkan, ALPAY (2011-12-01) -
Comparison of brain apparent diffusion coefficient value in naturally and assisted conceived newborns
ASLAN, MEHMET; Dogan, Metin; Celik, Onder; KARSAVURAN, Nazan; DOGAN, Derya Gumus; BOTAN, Edin; Alkan, ALPAY; CATAL, Ferhat; Celik, Ebru (2012-12-01)Background: Our aim was to assess the value of brain apparent diffusion coefficient (ADC) in Intra Cytoplasmic Sperm Injection (ICSI) and spontaneously conceived preterm singletons. Methods: Twenty ICSI-conceived preterm ... -
Detecting the Shape Differences of the Corpus Callosum in Behçet-s Disease by Statistical Shape Analysis
ÇOLAK, CEMİL; Ercan, Ilker; Dogan, Metin; Ozdemir, Senem Turan; ŞENER, SERPİL; Alkan, ALPAY (2011-05-01) -
Diffusion-Weighted Images Differentiate Benign From Malignant Thyroid Nodules
ERDEM, GÜLNUR; Erdem, Tamer; Karakas, Hakki Muammer; Mutlu, Deniz Yakar; Firat, Ahmet Kemal; ŞAHİN, İBRAHİM; Alkan, ALPAY (2010-01-01)Purpose: To reveal the possible role of diffusion-weighted images (DWI) in the differential diagnosis of benign and malignant thyroid nodules by comparing the results of fine-needle aspiration cytology (FNAC). -
Diffusion-weighted magnetic resonance imaging and magnetic resonance spectroscopy features of abdominal viscera in a patient with Gaucher-s disease
Kalayci, Tugce Ozlem; ERDEM, GÜLNUR; KUTLU, RAMAZAN; KAHRAMAN, AYŞEGÜL; Alkan, ALPAY (2014-01-01) -
Effects of electromagnetic radiation produced by 3G mobile phones on rat brains: Magnetic resonance spectroscopy, biochemical, and histopathological evaluation
DOĞAN, MÜBEYNA; TURTAY, MUHAMMET GÖKHAN; OĞUZTÜRK, HAKAN; ŞAMDANCI, EMİNE; TÜRKÖZ, YUSUF; TAŞDEMİR, SERAP; Alkan, ALPAY; BAKIR, S. (2012-06-01)Objective: The effects of electromagnetic radiation (EMR) produced by a third-generation (3G) mobile phone (MP) on rat brain tissues were investigated in terms of magnetic resonance spectroscopy (MRS), biochemistry, and ... -
Evaluation of corpus geniculatum laterale and vitreous fluid by magnetic resonance spectroscopy in patients with glaucoma; a preliminary study
Doganay, S.; CANKAYA, C.; Alkan, ALPAY (2012-08-01)Purpose To determine whether metabolite changes at cellular level occur in vitreous and lateral geniculate body (LGB) in patients with glaucoma by magnetic resonance spectroscopy (MRS). -
Evaluation of metabolite changes in visual cortex in diabetic retinopathy by MR-Spectroscopy
OZSOY, Ercan; Doganay, Selim; Dogan, Metin; Alkan, ALPAY; FIRAT, Penpe Gul (2012-05-01)Purpose: To evaluate metabolite changes in the visual cortex of diabetic patients with nonproliferative or proliferative diabetic retinopathy by Magnetic Resonance Spectroscopy (MRS). -
Increased membrane turnover in the brain in cutaneous anthrax without central nervous system disorder: A magnetic resonance spectroscopy study
BAYINDIR, YAŞAR; FIRAT, Ahmet K.; Kayabas, Uner; Alkan, ALPAY; YETKİN, FUNDA; KARAKAS, Hakki M.; YOLOĞLU, SAİM (2012-07-01)Cutaneous anthrax, caused by Bacillus anthracis contacting the skin, is the most common form of human anthrax. Recent studies implicate the presence of additional, possibly toxin-related subtle changes, even in patients ... -
Involvement of the corpus callosum splenium in a case with SSPE: magnetic resonance spectroscopy findings
Alkan, ALPAY; Sharifov, RASUL; GULER, Serhat; Aralasmak, AYŞE; KOCER, Abdulkadir; YUKSEL, Adnan (2013-04-01) -
Lumbar gossypiboma
Erdem, Guelnur; Ates, Oezkan; Kocak, Ayhan; Alkan, ALPAY (2010-03-01)Gossypiboma is a mass formed by a retained surgical sponge and reactive tissue. The cases with gossypiboma are usually asymptomatic or with nonspecific symptoms, which delay diagnosis for months or years after surgery. We ... -
MR spectroscopy features of normal appearing white matter in patients with lung cancer
Dogan, Adil; Sigirci, Ahmet; ERMİŞ, HİLAL; AYTEMUR, ZEYNEP AYFER; BAYSAL, Tamer; ALKAN, ALPAY; YOLOĞLU, SAİM (2017-01-01) -
MRI findings in thoracic outlet syndrome
Aralasmak, AYŞE; ÇEVİKOL, CAN; KARAALİ, KAMİL; Senol, Utku; Sharifov, RASUL; KILICARSLAN, Rukiye; Alkan, ALPAY (2012-11-01)We discuss MRI findings in patients with thoracic outlet syndrome (TOS). A total of 100 neurovascular bundles were evaluated in the interscalene triangle (IS), costoclavicular (CC), and retropectoralis minor (RPM) spaces. ... -
The role of diffusion-weighted echo planar MRI in central nervous system infections regarding etiopathogeneses
Kiroglu, Yilmaz; Karabulut, Nevzat; Alkan, ALPAY (2010-12-01)Neuroimaging constitudes an important component in the diagnosis of the underlying infectious agents in central nervous system (CNS) infections. Despite the recent advances in neuroimaging evaluation, the diagnosis of ... -
The role of MRS in the differentiation of benign and malignant soft tissue and bone tumors
Doganay, Selim; Altinok, Tayfun; Alkan, ALPAY; Kahraman, Bayram; Karakas, Hakki Muammer (2011-08-01)Objective: The aim of our study was to investigate the value of choline in the discrimination of benign and malignant soft tissue and bone tumors. -
Therapeutic Plasma Exchange for Malignant Refractory Status Epilepticus: A Case Report
GEDIK, Ahmet H.; DEMIRKOL, Demet; TATLI, Burak; BAYRAKTAR, Suleyman; Alkan, ALPAY; KARABOCUOGLU, Metin; YUKSEL, Adnan (2014-04-01)BACKGROUND: Refractory status epilepticus is a prolongation of status epilepticus despite anticonvulsant therapy with two or three medications in proper doses; it is defined as malignant status epilepticus if it takes weeks ... -
Unusual Cerebral Involvement of Rheumatoid Arthritis Mimicking a Tumor
Tokdemir, Sevil; TOPRAK, HÜSEYİN; ALKAN, ALPAY (2020-01-01)Background: The central nervous system-s involvement in Rheumatoid Arthritis (RA) is infrequent and can be life-threatening. Mass-like CNS involvement is an unusual presentation. A 45 year old man had suffered seropositive ...
