Search results for: Ayse Aralasmak

Items from 1 to 20 out of 26 results

article

MRI findings and utility of DWI in the evaluation of solid parathyroid lesions

Seyma Yildiz, Ayse Aralasmak, Huseyin Yetis, Rukiye Kilicarslan, more

La radiologia medica > 2019 > 124 > 5 > 360-367

Purpose To evaluate the MRI findings of solid parathyroid lesions and to elaborate on a possible improvement of MRI detection of parathyroid lesions by the use of additional DWI. Materials and methods MRI and DWI properties of pathologically proven 20 solid parathyroid lesions were retrospectively reviewed. Mean ADC values (b50 + b400 + b800/3) of parathyroid lesions were compared with that of normal...

article

Evaluation of CSF flow metrics in patients with communicating hydrocephalus and idiopathic intracranial hypertension

Temel Fatih Yılmaz, Ayse Aralasmak, Huseyin Toprak, Elnur Mehdi, more

La radiologia medica > 2019 > 124 > 5 > 382-391

Purpose To search for CSF dynamics of idiopathic intracranial hypertension (IIH) and communicating hydrocephalus and any correlation between MRI findings, CSF metrics and CSF opening pressure in IIH. Materials and methods Healthy subjects (30) and subjects with IIH (29) and high-pressure communicating hydrocephalus (43) were enrolled. Nonparametric Kruskal–Wallis test (p = 0.05) was used to compare...

article

Magnetic Resonance Spectroscopy Features of the Visual Pathways in Patients with Glaucoma

Direnç Özlem Aksoy, Jülide Canan Umurhan Akkan, Alpay Alkan, Ayşe Aralaşmak, more

Clinical Neuroradiology > 2019 > 29 > 4 > 615-621

Purpose The 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 Methods A total of 87 patients were enrolled in the study, 30 healthy controls, 25 glaucoma, 16 suspected glaucoma (GS) and 16 ocular hypertension...

article

Contribution of diffusion‐weighted imaging to dynamic contrast‐enhanced MRI in the characterization of papillary breast lesions

Seyma Yildiz, Huseyin Toprak, Yeliz Emine Ersoy, Fatma Ümit Malya, more

The Breast Journal > 24 > 2 > 176 - 179

Papillary lesions have a broad spectrum of appearances on magnetic resonance imaging (MRI). The purpose of this study was to evaluate whether apparent diffusion coefficient (ADC) values of papillary lesions can be used to characterize lesion as benign or malignant. This retrospective study included 29 papillary lesions. Diagnostic values of dynamic contrast‐enhanced MRI (DCE‐MRI), DWI‐ADC, and DCE‐MRI...

article

Diffusion tensor imaging findings of the brainstem in subjects with tonsillar ectopia

Serpil Kurtcan, Alpay Alkan, Huseyin Yetis, Umit Tuzun, more

Acta Neurologica Belgica > 2018 > 118 > 1 > 39-45

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...

article

Evaluation of Auditory Pathways Using DTI in Patients Treated with Gamma Knife Radiosurgery for Acoustic Neuroma: A Preliminary Report

Serpil Kurtcan, Mustafa Aziz Hatiboglu, Alpay Alkan, Huseyin Toprak, more

Clinical Neuroradiology > 2018 > 28 > 3 > 377-383

Purpose We aimed to evaluate the change in bilateral auditory pathways using diffusion tensor imaging (DTI) after gamma knife radiosurgery (GKR) and to determine the relationship between the radiosurgical treatment variables and DTI findings. Methods In this study 13 patients with unilateral acoustic neuroma and 11 controls underwent routine magnetic resonance imaging (MRI) and DTI. The apparent...

article

Reliability of magnetic resonance imaging versus arthroscopy for the diagnosis and classification of superior glenoid labrum anterior to posterior lesions

Fatih Yıldız, Kerem Bilsel, Anıl Pulatkan, Gökçer Uzer, more

Archives of Orthopaedic and Trauma Surgery > 2017 > 137 > 2 > 241-247

Purpose The physical examination of the shoulder is usually not reliable for the true diagnosis of superior glenoid labrum anterior to posterior (SLAP) lesions. Magnetic resonance imaging (MRI) has been routinely used for the diagnosis. This prospective study investigates the radiological diagnosis of the SLAP lesions and compares accuracy of arthroscopic and MRI classifications. Methods One hundred...

article

Relationship between the corpus callosum and neurocognitive disabilities in children with NF-1: diffusion tensor imaging features

Sinem Aydin, Serpil Kurtcan, Alpay Alkan, Serhat Guler, more

Clinical Imaging > 2016 > 40 > 6 > 1092-1095

Mild neurocognitive disabilities are commonly observed in children with neurofibromatosis type 1 (NF-1). Enlargement of the corpus callosum (CC) is one of the findings in NF-1, but the pathogenesis has not yet been clarified. In this study, we investigated whether diffusion tensor imaging (DTI) features of CC differed between children with NF-1 and healthy control subjects, and we tried to evaluate...

article

MRI and MRS findings in fucosidosis; a rare lysosomal storage disease

Suna Sahin Ediz, Ayse Aralasmak, Temel Fatih Yilmaz, Huseyin Toprak, more

Brain and Development > 2016 > 38 > 4 > 435-438

Fucosidosis is a rare lysosomal storage disorder caused by deficient activity of the enzyme l-fucosidase in all tissues. We presented magnetic resonance imaging [MRI] and MR spectroscopy [MRS] findings of a 4-year-old boy with genetically proven fucosidosis. He had a history and clinical findings of recurrent sinopulmonary infections, hypertonicity on lower extremities, gingival hypertrophy, bilateral...

chapter

Automatic computer-aided detection of Multiple Sclerosis (MS) lesions on MR images

Ziya Ekgi, Muhammed Emin Ozean, Ayse Aralasmak, Emre Dandil, more

2015 19th National Biomedical Engineering Meeting (BIYOMUT) > 1 - 4

2015 19th National Biomedical Engineering Meeting (BIYOMUT)

Multiple Sclerosis (MS) is a central nervous system (CNS) disorders resulting from damage to the myelin sheath which helps to ensure the transmission of messages between the brain and spinal cord. MS lesions occur in patients with damage to the myelin sheath. Progression of MS lesions is important for examining the disease. MS lesions often Magnetic Resonance Imaging (MRI) is determined and planned...

article

Reversible Corpus Callosum Splenial Lesion Due to Steroid Therapy

Banu Aksu, Serpil Kurtcan, Alpay Alkan, Ayse Aralasmak, more

Journal of Neuroimaging > 25 > 3 > 501 - 504

Reversible corpus callosum splenial (CCS) lesions are rare findings and usually detected incidentally. We presented a case of 15‐year‐old boy with a diagnoses of nephrotic syndrome. He was referred for neuropsychiatric symptoms following dose reduction on steroid treatment. Brain magnetic resonance imaging (MRI) revealed a focal lesion in the CCS, hyperintense on T2 and FLAIR and hypointense on T1...

article

MRI Findings in Encephalopathy with Primary Carnitine Deficiency: A Case Report

Temel Fatih Yilmaz, Musa Atay, Huseyin Toprak, Serhat Guler, more

Journal of Neuroimaging > 25 > 2 > 325 - 328

BACKGROUND AND PURPOSE We presented MRI and DWI findings of a 12‐year‐old boy with primary carnitine deficiency, manifested with hypoglycemic hypoketotic encephalopathy. METHODS Magnetic resonance imaging (MRI) and diffusion weighted imaging (DWI) were performed to the patient. RESULTS In our case, T2 hyperintensity and diffusion restriction were noted bilaterally in the corona radiate, cerebral...

article

Susceptibility Weighted Imaging Features of Nonketotic Hyperglycemia: Unusual Cause of Hemichorea‐Hemiballismus

Musa Atay, Huseyin Yetis, Serpil Kurtcan, Ayse Aralasmak, more

Journal of Neuroimaging > 25 > 2 > 319 - 324

Nonketotic hyperglycemia has been described as a metabolic cause of Hemiballism‐hemichorea (HB‐HC), especially in elderly patients with poorly controlled diabetes. Pathophysiology is not known yet. MRI features tend to be hyperintense in the putamen on T1‐weighted images. We present conventional MRI with diffusion weighted imaging (DWI) and susceptibility weighted imaging (SWI) features of two cases...

article

Preliminary Study

Rukiye Kilicarslan, Alpay Alkan, Ayse Aralasmak, Fadlullah Aksoy, more

Academic Radiology > 2014 > 21 > 12 > 1501-1505

To evaluate neurochemical alterations in Heschl's gyri and determine the most affected side in case of unilateral acoustic neuroma using magnetic resonance spectroscopy (MRS).Fifteen patients with unilateral acoustic neuroma were studied. Following routine cranial MRI sequences, MRS of Heschl's gyri on tumor and nontumor sides was obtained. MRS metabolite values of both Heschl's gyri were statistically...

article

MRI findings in crural compartment syndrome: a case series

Temel Fatih Yılmaz, Huseyin Toprak, Kerem Bilsel, Hüseyin Ozdemir, more

Emergency Radiology > 2014 > 21 > 1 > 93-97

Compartment syndrome occurs when the pressure inside a closed fascial compartment increases to a level that compromises the blood supply to the structures. Untreated compartment syndrome commonly leads to muscle necrosis, limb amputation, and, if it is severe, which is seen in large compartments, renal failure and death may occur. We discussed MRI findings of crural compartment syndrome based on the...

article

CSF otorhinorrhea in a child with inner ear dysplasia: diagnosis with T2-weighted and intrathecal contrast-enhanced MR cisternography

Elnur Mehdi, Alpay Alkan, Huseyin Yetis, Ayse Aralasmak, more

Japanese Journal of Radiology > 2014 > 32 > 7 > 437-440

During the follow-up of recurrent pneumonia in a 9-month-old girl, rhinorrhea with discharge of a positional and intermittent nature was discovered. Radiological assessment was requested to detect any skull base openings and cerebrospinal fluid (CSF) leakage. T2-weighted MR cisternography showed bilateral inner ear dysplasia, communication of the internal auditory canal with the vestibule, and effusion...

article

MR spectroscopy features of brain in patients with mild and severe obstructive sleep apnea syndrome

Alpay Alkan, Resul Sharifov, Muhammed Emin Akkoyunlu, Rukiye Kiliçarslan, more

Clinical Imaging > 2013 > 37 > 6 > 989-992

We investigated whether there are differences in metabolite ratios of different brain regions between mild and severe obstructive sleep apnea (OSA) patients.A total of 17 mild OSA and 14 severe OSA patients were enrolled. N-acetyl aspartate (NAA)/creatine (Cr), choline (Cho)/Cr and NAA/Cho ratios were calculated by using multivoxel magnetic resonance spectroscopy (MRS) (TR: 1500, TE: 135 ms) from...

article

CT Angiography Evaluation of Unusual Transorbital Penetrating Injury: A Toothbrush

Musa Atay, Alpay Alkan, Hakan Hanimoglu, Rasul Sharifov, more

Journal of Neuroimaging > 23 > 2 > 314 - 316

Orbital penetrating injuries may cause significant harm to optic nerves and eyeball as well as to the brain and cerebral vasculature. Defining surrounding neurovascular structures by CT angiography (CTA) is important for surgical removal. We present an uncommon case of a 3‐year‐old child with a penetrating orbital injury caused by a toothbrush. To the best of our knowledge, there is no report orbital...

article

Effects of contrast material on the metabolite ratios in single-voxel MR Spectroscopy of intraaxial brain tumors

Alpay Alkan, Veysel Burulday, Namik Oztanir, Metin Dogan, more

Medical Hypotheses > 2012 > 79 > 2 > 129-131

The purpose of our study was to determine whether the administration of contrast material affects the results of MR Spectroscopy (MRS) in different intraaxial brain tumors.Thirty-three patients (median range 46.72±2.95, range 9–77) with intraaxial brain tumors underwent MRS before and 5min after intravenous administration of gadolinium based contrast material at the standard dose of 0.1mmol/kg (Gadodiamide...

article

MRI findings in thoracic outlet syndrome

Ayse Aralasmak, Can Cevikol, Kamil Karaali, Utku Senol, more

Skeletal Radiology > 2012 > 41 > 11 > 1365-1374

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. To exclude neurogenic abnormality, MRIs of the cervical spine and brachial plexus (BPL) were obtained in neutral. To exclude compression on neurovascular bundles, sagittal T1W images...

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Search results for: Ayse Aralasmak

MRI findings and utility of DWI in the evaluation of solid parathyroid lesions

Evaluation of CSF flow metrics in patients with communicating hydrocephalus and idiopathic intracranial hypertension

Magnetic Resonance Spectroscopy Features of the Visual Pathways in Patients with Glaucoma

Contribution of diffusion‐weighted imaging to dynamic contrast‐enhanced MRI in the characterization of papillary breast lesions

Diffusion tensor imaging findings of the brainstem in subjects with tonsillar ectopia

Evaluation of Auditory Pathways Using DTI in Patients Treated with Gamma Knife Radiosurgery for Acoustic Neuroma: A Preliminary Report

Reliability of magnetic resonance imaging versus arthroscopy for the diagnosis and classification of superior glenoid labrum anterior to posterior lesions

Relationship between the corpus callosum and neurocognitive disabilities in children with NF-1: diffusion tensor imaging features

MRI and MRS findings in fucosidosis; a rare lysosomal storage disease

Automatic computer-aided detection of Multiple Sclerosis (MS) lesions on MR images

Reversible Corpus Callosum Splenial Lesion Due to Steroid Therapy

MRI Findings in Encephalopathy with Primary Carnitine Deficiency: A Case Report

Susceptibility Weighted Imaging Features of Nonketotic Hyperglycemia: Unusual Cause of Hemichorea‐Hemiballismus

Preliminary Study

MRI findings in crural compartment syndrome: a case series

CSF otorhinorrhea in a child with inner ear dysplasia: diagnosis with T2-weighted and intrathecal contrast-enhanced MR cisternography

MR spectroscopy features of brain in patients with mild and severe obstructive sleep apnea syndrome

CT Angiography Evaluation of Unusual Transorbital Penetrating Injury: A Toothbrush

Effects of contrast material on the metabolite ratios in single-voxel MR Spectroscopy of intraaxial brain tumors

MRI findings in thoracic outlet syndrome

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