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Clinical Neuroradiology

Koray Akkan, Erhan Ilgit, Baran Onal, Emetullah Cindil, Evsen Polattas Solak, Fatih Oncu, Dilan Ece Geylan
BACKGROUND: The treatment strategy and the correct incidence of near occlusion (NO) of the internal carotid artery (ICA) is still controversial. In routine radiological imaging NO can easily be misdiagnosed as complete occlusion and there is no consensus on the standard treatment strategy. PURPOSE: To present our perioperative and long-term follow-up results of ICA NO patients treated with carotid artery stenting (CAS). MATERIAL AND METHODS: Between 2004-2014 a total of 182 patients with ICA NO were evaluated for CAS...
October 25, 2016: Clinical Neuroradiology
Seung Chai Jung, Ho Sung Kim, Choong-Gon Choi, Sang Joon Kim, Sun U Kwon, Dong-Wha Kang, Jong S Kim
PURPOSE: The aim of this article is to present high-resolution magnetic resonance imaging (HR-MRI) findings of chronic stage spontaneous and unruptured intracranial artery dissection (ICAD). MATERIAL AND METHODS: From March 2012 to April 2016 a total of 29 patients (15 male and14 female, age range 37-68 years) with chronic stage spontaneous and unruptured ICAD (vertebral artery 27, posterior inferior cerebellar artery 1 and middle cerebral artery 1) were retrospectively enrolled...
September 27, 2016: Clinical Neuroradiology
C Herweh, S Nagel, J Pfaff, C Ulfert, M Wolf, M Bendszus, M Möhlenbruch
INTRODUCTION: Stent-assisted coiling of wide-necked intracranial aneurysms has become an established treatment and has significantly benefited from the introduction of compliant, self-expanding devices, such as the Enterprise VRD (EP-VRD). We report our experiences with the successor model, the Enterprise2 (EP2) stent in stent-assisted coiling as well as in the treatment of atherosclerotic stenosis. MATERIALS AND METHODS: In 11 consecutive patients 12 EP2 were used to treat 9 intracranial aneurysms and 2 stenoses...
September 27, 2016: Clinical Neuroradiology
Tanja Schneider, Tobias Mahraun, Julian Schroeder, Andreas Frölich, Philip Hoelter, Marlies Wagner, Jean Darcourt, Christophe Cognard, Alain Bonafé, Jens Fiehler, Susanne Siemonsen, Jan-Hendrik Buhk
PURPOSE: The presence of intraparenchymal hyperattenuations (IPH) on flat-panel computed tomography (FP-CT) after endovascular recanalization in stroke patients is a common phenomenon. They are thought to occur in ischemic areas with breakdown of the blood-brain barrier but previous studies that investigated a mutual interaction are scarce. We aimed to assess the relationship of IPH localization with prethrombectomy diffusion-weighted imaging (DWI) lesions. METHODS: This retrospective multicenter study included 27 acute stroke patients who underwent DWI prior to FP-CT following mechanical thrombectomy...
September 16, 2016: Clinical Neuroradiology
C Ulfert, J Pfaff, S Schönenberger, J Bösel, C Herweh, M Pham, M Bendszus, M Möhlenbruch
PURPOSE: A variety of devices for treatment of wide-necked bifurcation aneurysms are emerging. Here we report our results using the new pCONus device with special emphasis on the morphological and anatomical requirements for successful implantation. METHODS: In this study we treated 21 patients with 22 aneurysms by endovascular interventions. After providing informed consent, patients were included according to the following criteria: aneurysm dome to neck ratio <2 or neck diameter >4 mm...
September 16, 2016: Clinical Neuroradiology
Ji Eun Park, Hae-Won Koo, Hairi Liu, Seung Chul Jung, Danbi Park, Dae Chul Suh
PURPOSE: Spinal arteriovenous malformations (SAVMs) are rare events. This study evaluated initial clinical presentations and treatment outcomes of SAVMs. METHODS: In this study, 91 consecutive patients with SAVM between January 1993 and November 2014 were evaluated. Initial clinical presentations, radiological findings, treatment results, and follow-up outcomes were evaluated according to disease type and treatment modalities. Patient status was scored using the modified Rankin scale (mRS) and Aminoff-Logue Disability scale (ALS)...
September 13, 2016: Clinical Neuroradiology
P Bhogal, M AlMatter, M Aguilar, I Nakagawa, O Ganslandt, H Bäzner, H Henkes
No abstract text is available yet for this article.
September 12, 2016: Clinical Neuroradiology
Bernd Eckert
No abstract text is available yet for this article.
December 2016: Clinical Neuroradiology
(no author information available yet)
No abstract text is available yet for this article.
December 2016: Clinical Neuroradiology
C A Taschner, R Sankowski, J M Shah, H Urbach, R Hartmann, M Prinz
No abstract text is available yet for this article.
December 2016: Clinical Neuroradiology
Adam de Havenon, Scott McNally
No abstract text is available yet for this article.
December 2016: Clinical Neuroradiology
Martin Bendszus, Götz Thomalla, Werner Hacke, Michael Knauth, Christian Gerloff, Susanne Bonekamp, Jens Fiehler
No abstract text is available yet for this article.
December 2016: Clinical Neuroradiology
Jeremy Heit, Ian Connolly, Omar Choudhri
No abstract text is available yet for this article.
December 2016: Clinical Neuroradiology
D T Ginat, L Ferro, M B Gluth
We describe the temporal bone computed tomography (CT) findings of an unusual case of branchio-oto-renal syndrome with ectopic ossicles that are partially located in the middle cranial fossa. We also describe quantitative temporal bone CT assessment pertaining to cochlear implantation in the setting of anomalous cochlear anatomy associated with this syndrome.
December 2016: Clinical Neuroradiology
A C-O Tsang, A Y-S Tang, W C Chung, G K-K Leung, K W Chow
No abstract text is available yet for this article.
December 2016: Clinical Neuroradiology
M Marrale, G Collura, M Brai, N Toschi, F Midiri, G La Tona, A Lo Casto, C Gagliardo
In recent years many papers about diagnostic applications of diffusion tensor imaging (DTI) have been published. This is because DTI allows to evaluate in vivo and in a non-invasive way the process of diffusion of water molecules in biological tissues. However, the simplified description of the diffusion process assumed in DTI does not permit to completely map the complex underlying cellular components and structures, which hinder and restrict the diffusion of water molecules. These limitations can be partially overcome by means of diffusion kurtosis imaging (DKI)...
December 2016: Clinical Neuroradiology
C Wu, S Schnell, M Markl, S A Ansari
No abstract text is available yet for this article.
December 2016: Clinical Neuroradiology
S Tsutsumi, M Hori, H Ono, T Tabuchi, S Aoki, Y Yasumoto
BACKGROUND AND PURPOSE: The infundibular recess (IR), commonly illustrated as a V-shaped hollow in the sagittal view, is recognized as a small extension of the third ventricle into the pituitary stalk. The precise morphology of the human IR is unknown. The present study sought to delineate the morphology of the IR using magnetic resonance imaging. MATERIALS AND METHODS: Subjects included 100 patients without acute cerebral infarcts, intracranial hemorrhage, intrasellar or suprasellar cysts, hydrocephalus, inflammatory disease, or brain tumors...
December 2016: Clinical Neuroradiology
S Siemonsen, K L Young, M Bester, J Sedlacik, C Heesen, J Fiehler, J-P Stellmann
PURPOSE: Phase imaging provides additional information on multiple sclerosis (MS) lesions and may in combination with mean diffusivity (MD) and magnetization transfer ratio (MTR) help differentiating heterogeneity of MS lesion pathology. METHODS: Magnetic resonance imaging (MRI) was performed in 23 MS patients including diffusion tensor imaging (DTI), magnetization transfer imaging (MTI), and SWI. Mean values (MTR, MD, and homodyne filtered phase) from 138 chronic MS lesions and normal appearing white matter (NAWM) were obtained and correlations examined...
December 2016: Clinical Neuroradiology
J U Regula, L Jestaedt, F Jende, A Bartsch, H-M Meinck, M-A Weber
OBJECTIVE: The objective of this study was to evaluate the clinical usefulness of whole-body magnetic resonance imaging (MRI) in facio-scapulo-humeral muscular dystrophy (FSHD). METHODS: In 20 patients with genetically proven FSHD1, we prospectively assessed muscular involvement and correlated the results of semi-quantitative manual muscle testing and other parameters such as disease duration, creatine kinase (CK) levels and repeat length of the D4Z4 locus with whole-body MRI...
December 2016: Clinical Neuroradiology
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