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Öğe Bilateral adrenal haemorrhage after blunt abdominal trauma(Ma Healthcare Ltd, 2023) Güvendi, Bülent; Köksal, Ali; Gözgeç, Elif; Oğul, Hayri; Kantarcı, Mecit[Bastract Not Available]Öğe Bilateral ureterohydronephrosis associated with cystocele(Ma Healthcare Ltd, 2022) Köksal, Ali; Oğul, Hayri[Bastract Not Available]Öğe Case Report of a Patient With Posttraumatic Perilymphatic Fistula(Sage Publications Inc, 2022) Köksal, Ali; Ayyıldız, Veysel; Oğul, Hayri; Kantarcı, MecitOn a perilymphatic fistula, there is an extravasation of the perilymph fluid into the middle ear cavity. Cross-sectional imaging techniques have very important role in evaluation of inner and middle ear structures and temporal bone. While thin section CT scans can show successfully pneumolabyrinth and temporal bone fracture, high-resolution 3D volumetric MRI sequences can help to demonstrate posttraumatic ear effusion and cerebrospinal fluid fistula into inner ear or middle ear.Öğe Cerebellar Developmental Venous Anomaly Causing Tinnitus and Hemifacial Spasm: A Case Report(Sage Publications Inc, 2022) Oğul, Hayri; Ünlü, Elif Nisa; Güçlü, Derya; Köksal, Ali[Bastract Not Available]Öğe Contribution of advanced MRI to the diagnosis of giant tumefactive perivascular spaces(Sage Publications Ltd, 2022) Ayyıldız, Veysel; Köksal, Ali; Taydaş, Onur; Oğul, HayriBackground Giant tumefactive perivascular spaces (PVSs) are uncommon benign cystic lesions. They can imitate cystic neoplasms. Purpose To evaluate the contribution of advanced neuro magnetic resonance imaging (MRI) techniques in the diagnosis of giant tumefactive PVSs and to further characterize these unusual cerebral lesions. Material and Methods The MRI scans of patients with tumefactive PVS diagnosed between 2010 and 2019 were retrospectively reviewed. All imaging studies included three plane conventional cerebral MRI sequences as well as precontrast 3D T1 MPRAGE, post-gadolinium 3D T1 acquisitions, sagittal plane 3D T2 SPACE, diffusion-weighted imaging, and time-of-flight (TOF) angiography. Some patients received perfusion MR, MR spectroscopy, diffusion tensor imaging (DTI), and contrast-enhanced TOF MR angiography. Results A perforating vessel was demonstrated in 16 patients (66.7%) by TOF imaging. In four patients, there were intracystic vascular collaterals on contrast-enhanced TOF MR angiography. Septal blooming was observed in four patients in susceptibility-weighted imaging. On perfusion MR, central hyperperfusion was observed in four patients, and peripheral hyperperfusion was observed in one patient. On MR spectroscopy, choline increase was observed in two patients, and there was a lactate peak in three patients, and both a choline increase and lactate peak in one patient. On DTI, there was fiber distortion in five patients and fiber deformation in one patient. Conclusion Advanced MRI techniques and 3D volumetric high-resolution MRI sequences can provide a valuable contribution to the diagnosis and can be successfully used in the management of these lesions.Öğe Detection of the glenoid bare spot by non-arthrographic MR imaging, conventional MR arthrography, and 3D high-resolution T1-weighted VIBE MR arthrography: comparison with CT arthrography(Springer, 2023) Özel, Mehmet Ali; Oğul, Hayri; Köksal, Ali; Köse, Mehmet; Tuncer, Kutsi; Eren, Suat; Kantarcı, MecitObjectivesTo determine the diagnostic accuracy of non-arthrographic MR imaging, conventional MR arthrography, and 3D T1-weighted volumetric interpolated breath-hold examination (VIBE) MR arthrography sequences as compared with a CT arthrography in the diagnosis of glenoid bare spot.MethodsA retrospective study of 216 patients who underwent non-arthrographic MR imaging, conventional MR arthrography, VIBE MRI arthrography, and CT arthrogram between January 2011 and March 2022 was conducted. The diagnostic accuracy of non-arthrographic MR imaging, direct MR arthrography, and VIBE MRI arthrography in the detection of glenoid bare spot was compared with that of CT arthrography. All studies were reviewed by 2 MSK radiologists. Interobserver agreement for MR imaging and MR arthrographic findings was calculated.ResultsSixteen of 216 patients were excluded. Twenty-three of 200 shoulders had glenoid bare spot on CT arthrographic images. The glenoid bare spot was detected in 11 (47.8%) and 7 (30.4%) patients on conventional non-arthrographic MR images and in 18 (78.3%) and 16 (69.6%) patients on conventional MR arthrograms by observers 1 and 2, respectively. Both observers separately described the bare spot in 22 of 23 patients (95.7%) on 3D volumetric MR arthrograms. Interobserver variabilities were fair agreement for conventional non-arthrographic MR imaging (kappa = 0.35, p < 0.05), moderate agreement for conventional MR arthrogram (kappa = 0.50, p < 0.05), and near-perfect agreement for 3D volumetric MR arthrogram reading (kappa = 0.87, p < 0.05).ConclusionsA 3D high-resolution T1-weighted VIBE MR arthrography sequence may yield diagnostic performance that is comparable with that of CT arthrography in the diagnosis of glenoid bare spot.Öğe Incidental diagnosis of a patent ductus arteriosus via computed tomography angiography in an asymptomatic adult(Ma Healthcare Ltd, 2021) Köksal, Ali; Topcu, Selim; Oğul, Hayri; Kantarcı, Mecit[Bastract Not Available]Öğe Intercostal herniation of lung and liver in a post-traumatic patient(Ma Healthcare Ltd, 2022) Ayyıldız, Veysel; Aydın, Yener; Özel, Mehmet E.; Köksal, Ali; Oğul, Hayri[Bastract Not Available]Öğe Intracranial dermoid cyst mimicking a thrombosed giant aneurysm of the anterior communicating artery(Ma Healthcare Ltd, 2022) Oğul, Hayri; Köksal, Ali; Kaya, Serhat; Kantarcı, Mecit; Eren, Suat[Bastract Not Available]Öğe Multiple Oncocytomas of Bilateral Parotid Glands: A Case Report(Sage Publications Inc, 2022) Aydın, Fahri; Ayyıldız, Veysel; Gözgeç, Elif; Köksal, Ali; Oğul, Hayri; Kantarcı, Mecit[Bastract Not Available]Öğe Pontine capillary telangiectasia mimicking active demyelinating plaque in a patient with multiple sclerosis(Springer-Verlag Italia Srl, 2022) Köksal, Ali; Kızıloğlu, Alper; Oğul, Hayri[Bastract Not Available]Öğe A rare cause of unilateral opaque lung: giant primary myxoid spindle cell liposarcoma(Ma Healthcare Ltd, 2022) Ayyıldız, Veysel; Köksal, Ali; Aydın, Yener; Oğul, Hayri[Bastract Not Available]Öğe Rare presentation of a choroid plexus papilloma(Ma Healthcare Ltd, 2022) Yeşilyurt, Mustafa; Köksal, Ali; Oğul, Hayri[Bastract Not Available]Öğe Transient splenial lesion as late complication of COVID-19 infection(Assoc Arquivos Neuro- Psiquiatria, 2022) Köksal, Ali; Oğul, Yasemin; Ayyıldız, Veysel; Oğul, Hayri[Bastract Not Available]
