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Πλοήγηση ανά Θέμα "Neuroimaging"

Αποτελέσματα 1-18 από 18

    • Cancer-associated stroke: Pathophysiology, detection and management (Review) 

      Dardiotis E., Aloizou A.-M., Markoula S., Siokas V., Tsarouhas K., Tzanakakis G., Libra M., Kyritsis A.P., Brotis A.G., Aschner M., Gozes I., Bogdanos D.P., Spandidos D.A., Mitsias P.D., Tsatsakis A. (2019)
      Numerous types of cancer have been shown to be associated with either ischemic or hemorrhagic stroke. In this review, the epidemiology and pathophysiology of stroke in cancer patients is discussed, while providing vital ...

    • Case Series: Bilateral Homonymous Visual Field Defects Due to Bilateral Ischemic Strokes 

      Papageorgiou E., Anthis N., Stathi T., Tsironi E., Asproudis I. (2018)
      SIGNIFICANCE Bilateral strokes are rare and should be considered when patients present with bilateral visual field loss characterized by patterns consistent with right and left-sided homonymous visual field defects. ...

    • Clinical outcomes and neuroimaging profiles in nondisabled patients with anticoagulant-related intracerebral hemorrhage 

      Lioutas V.-A., Goyal N., Katsanos A.H., Krogias C., Zand R., Sharma V.K., Varelas P., Malhotra K., Paciaroni M., Sharaf A., Chang J., Karapanayiotides T., Kargiotis O., Pappa A., Mai J., Pandhi A., Schroeder C., Tsantes A., Mehta C., Kerro A., Khan A., Mitsias P.D., Selim M.H., Alexandrov A.V., Tsivgoulis G. (2018)
      Background and Purpose: The aim of this study was to prospectively validate our prior findings of smaller hematoma volume and lesser neurological deficit in nonvitamin K oral anticoagulant (NOAC) compared with Vitamin K ...

    • Closed-Loop Stimulation in the Control of Focal Epilepsy of Insular Origin 

      Smith, J. R.; Fountas, K. N.; Murro, A. M.; Park, Y. D.; Jenkins, P. D.; Morrell, M.; Esteller, R.; Greene, D. (2010)
      Background: Previous studies have shown that closed-loop or responsive neurostimulation can abort induced or spontaneous epileptiform discharges. Objective: To assess the effectiveness of a programmable cranially implanted ...

    • Common and Uncommon Artifacts in T1 FLAIR SAG Sequences of MRI Brain 

      Lavdas E., Papaioannou M., Boci N., Dardiotis E., Roka V., Sakkas G.K., Apostolopoulou G., Gogou L., Mavroidis P. (2021)
      Objective: This study aims at identifying, classifying, and measuring the frequency the different artifacts that show up in the images of the Sagittal T1 Fluid Attenuated Inversion Recovery (FLAIR) sequence. Materials and ...

    • Confidence intervals for differences between volumes under receiver operating characteristic surfaces (VUS) and generalized Youden indices (GYIs) 

      Yin J., Nakas C.T., Tian L., Reiser B. (2018)
      This article explores both existing and new methods for the construction of confidence intervals for differences of indices of diagnostic accuracy of competing pairs of biomarkers in three-class classification problems and ...

    • Focal hypoperfusion in acute ischemic stroke perfusion CT: Clinical and radiologic predictors and accuracy for infarct prediction 

      Bill O., Inácio N.M., Lambrou D., Wintermark M., Ntaios G., Dunet V., Michel P. (2019)
      BACKGROUND AND PURPOSE: Perfusion CT may improve the diagnostic performance of noncontrast CT in acute ischemic stroke. We assessed predictors of focal hypoperfusion in acute ischemic stroke and perfusion CT performance ...

    • The greek variant in app gene: The phenotypic spectrum of app mutations 

      Kalampokini S., Georgouli D., Patrikiou E., Provatas A., Valotassiou V., Georgoulias P., Spanaki C., Hadjigeorgiou G.M., Xiromerisiou G. (2021)
      Mutations in the gene encoding amyloid precursor protein (APP) cause autosomal dominant inherited Alzheimer’s disease (AD). We present a case of a 68-year-old female who presented with epileptic seizures, neuropsychiatric ...

    • Hemispheric asymmetries of visual ERPs in left-handed bilinguals 

      Andreou, G.; Karapetsas, A. (2001)
      ERPs (NI, Pl, N2, P2) obtained from left and right occipital and temporal lobes were elicited in 30 left-handed highly proficient bilingual males in response to visually presented linguistic stimuli. The absence of ...

    • Hemorrhagic transformation in patients with acute ischemic stroke and atrial fibrillation: Time to initiation of oral anticoagulant therapy and outcomes 

      Paciaroni M., Bandini F., Agnelli G., Tsivgoulis G., Yaghi S., Furie K.L., Tadi P., Becattini C., Zedde M., Abdul-Rahim A.H., Lees K.R., Alberti A., Venti M., Acciarresi M., D’Amore C., Mosconi M.G., Cimini L.A., Altavilla R., Volpi G., Bovi P., Carletti M., Rigatelli A., Cappellari M., Putaala J., Tomppo L., Tatlisumak T., Marcheselli S., Pezzini A., Poli L., Padovani A., Masotti L., Vannucchi V., Sohn S.-I., Lorenzini G., Tassi R., Guideri F., Acampa M., Martini G., Ntaios G., Athanasakis G., Makaritsis K., Karagkiozi E., Vadikolias K., Liantinioti C., Chondrogianni M., Mumoli N., Consoli D., Galati F., Sacco S., Carolei A., Tiseo C., Corea F., Ageno W., Bellesini M., Colombo G., Silvestrelli G., Ciccone A., Lanari A., Scoditti U., Denti L., Mancuso M., Maccarrone M., Ulivi L., Orlandi G., Giannini N., Gialdini G., Tassinari T., De Lodovici M.L., Bono G., Rueckert C., Baldi A., D'Anna S., Toni D., Letteri F., Giuntini M., Lotti E.M., Flomin Y., Pieroni A., Kargiotis O., Karapanayiotides T., Monaco S., Baronello M.M., Csiba L., Szabó L., Chiti A., Giorli E., Del Sette M., Imberti D., Zabzuni D., Doronin B., Volodina V., Michel P., Vanacker P., Barlinn K., Pallesen L.-P., Barlinn J., Deleu D., Melikyan G., Ibrahim F., Akhtar N., Gourbali V., Caso V. (2018)
      Background—In patients with acute ischemic stroke and atrial fibrillation, early anticoagulation prevents ischemic recurrence but with the risk of hemorrhagic transformation (HT). The aims of this study were to evaluate ...

    • Historic Evolution of Open Cingulectomy and Stereotactic Cingulotomy in the Management of Medically Intractable Psychiatric Disorders, Pain and Drug Addiction 

      Brotis, A. G.; Kapsalaki, E. Z.; Paterakis, K.; Smith, J. R.; Fountas, K. N. (2009)
      Stereotactic cingulotomy constitutes a psychosurgical procedure nowadays advocated in the treatment of medically intractable obsessive-compulsive disorder, chronic pain and drug addiction. From its theoretical conception ...

    • Investigation of Unmedicated Early Onset Restless Legs Syndrome by Voxel-Based Morphometry, T2 Relaxometry, and Functional MR Imaging during the Night-Time Hours 

      Margariti, P. N.; Astrakas, L. G.; Tsouli, S. G.; Hadjigeorgiou, G. M.; Konitsiotis, S.; Argyropoulou, M. I. (2012)
      BACKGROUND AND PURPOSE: The pathophysiology of eRLS has not yet been elucidated. The purpose of the study was to assess, in patients with eRLS, the volume, iron content, and activation of the brain during night-time episodes ...

    • Lower Urinary Tract Symptoms Including Bladder Outlet Obstruction: What's New in Diagnostics? 

      Gravas S., Kyriazis I., Klausner A.P. (2018)
      It is well known that lower urinary tract symptoms (LUTS) have a multifactorial etiology. Therefore, there is an increased need for improved diagnostics for the optimal assessment of patients with LUTS in order to identify ...

    • Neuroimaging and clinical outcomes of oral anticoagulant–associated intracerebral hemorrhage 

      Tsivgoulis G., Wilson D., Katsanos A.H., Sargento-Freitas J., Marques-Matos C., Azevedo E., Adachi T., von der Brelie C., Aizawa Y., Abe H., Tomita H., Okumura K., Hagii J., Seiffge D.J., Lioutas V.-A., Traenka C., Varelas P., Basir G., Krogias C., Purrucker J.C., Sharma V.K., Rizos T., Mikulik R., Sobowale O.A., Barlinn K., Sallinen H., Goyal N., Yeh S.-J., Karapanayiotides T., Wu T.Y., Vadikolias K., Ferrigno M., Hadjigeorgiou G., Houben R., Giannopoulos S., Schreuder F.H.B.M., Chang J.J., Perry L.A., Mehdorn M., Marto J.-P., Pinho J., Tanaka J., Boulanger M., Salman R.A.-S., Jäger H.R., Shakeshaft C., Yakushiji Y., Choi P.M.C., Staals J., Cordonnier C., Jeng J.-S., Veltkamp R., Dowlatshahi D., Engelter S.T., Parry-Jones A.R., Meretoja A., Mitsias P.D., Alexandrov A.V., Ambler G., Werring D.J. (2018)
      Objective: Whether intracerebral hemorrhage (ICH) associated with non–vitamin K antagonist oral anticoagulants (NOAC-ICH) has a better outcome compared to ICH associated with vitamin K antagonists (VKA-ICH) is uncertain. ...

    • Repetitive Transcranial Magnetic Stimulation, Cognition, and Multiple Sclerosis: An Overview 

      Nasios G., Messinis L., Dardiotis E., Papathanasopoulos P. (2018)
      Multiple sclerosis (MS) affects cognition in the majority of patients. A major aspect of the disease is brain volume loss (BVL), present in all phases and types (relapsing and progressive) of the disease and linked to both ...

    • The role of intraoperative micro-Doppler ultrasound in verifying proper clip placement in intracranial aneurysm surgery 

      Siasios, I.; Kapsalaki, E. Z.; Fountas, K. N. (2012)
      Aneurysmal subarachnoid hemorrhage constitutes a clinical entity associated with high mortality and morbidity. It is widely accepted that improper clip placement may have as a result of incomplete aneurysm occlusion and/or ...

    • A Swedish family with de novo alpha-synuclein A53T mutation: Evidence for early cortical dysfunction 

      Puschmann, A.; Ross, O. A.; Vilarino-Guell, C.; Lincoln, S. J.; Kachergus, J. M.; Cobb, S. A.; Lindquist, S. G.; Nielsen, J. E.; Wszolek, Z. K.; Farrer, M.; Widner, H.; van Westen, D.; Hagerstrom, D.; Markopoulou, K.; Chase, B. A.; Nilsson, K.; Reimer, J.; Nilsson, C. (2009)
      A de novo alpha-symaclein A53T (p.Ala53 Th; c.209G > A) mutation has been identified in a Swedish family with autosomal dominant Parkinson's disease (PD). Two affected individuals had early-onset (before 31 and 40 years), ...

    • What scans see when patients see defects: neuroimaging findings in body dysmorphic disorder 

      Machremi E., Bakirtzis C., Karakasi M.-V., Boziki M.-K., Siokas V., Aloizou A.-M., Dardiotis E., Grigoriadis N. (2022)
      Body dysmorphic disorder (BDD) is characterized by an individual’s preoccupation with a perceived defect in their appearance which to others may be barely noticeable or even completely unnoticed. It confers significant ...