Výsledky vyhledávání - "Walter M. Palm"

Augmenting inter-rater concordance of radiologic extranodal extension in HPV-positive oropharyngeal carcinoma: A multicenter study

Autor: Frank Hoebers, Eugene Yu, Brian O'Sullivan, Alida A. Postma, Walter M. Palm, Eric Bartlett, Jonathan Lee, Sarah Stock, Shlomo Koyfman, Jie Su, Wei Xu, Shao Hui Huang

Publikováno v: Head and Neck-Journal for the Sciences and Specialties of the Head and Neck, 44(11), 2361-2369. Wiley

Objectives: To assess intra- and inter-institutional concordance and identify methods to increase precision in radiologic extranodal extension (rENE) ascertainment in HPV+ oropharyngeal carcinoma. Methods: Six radiologists, blinded to clinical outcom

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2e5b569ca9c35b8fd34bc20f50ab1e9
https://doi.org/10.1002/hed.27130

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7T dynamic contrast-enhanced MRI for the detection of subtle blood-brain barrier leakage

Autor: Lisanne P. W. Canjels, Robert-Jan Alers, Vincent van de Ven, Jacobus F.A. Jansen, Benedikt A. Poser, Walter M. Palm, Veronique M.M.M. Schiffer, Marc E. A. Spaanderman, Marieke van den Kerkhof, Chahinda Ghossein-Doha, Walter H. Backes, Rob P.W. Rouhl, Robert J. van Oostenbrugge, Christopher J. Wiggins, Albert P. Aldenkamp

Publikováno v: Journal of Neuroimaging
Journal of Neuroimaging, 31(5), 902-911. Wiley

BACKGROUND AND PURPOSE: Dynamic contrast-enhanced MRI (DCE-MRI) can be employed to assess the blood-brain barrier (BBB) integrity. Detection of BBB leakage at lower field strengths (≤3T) is cumbersome as the signal is noisy, while leakage can be su

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c8baa5d8f37f10196d6e01be83908bc7
https://doi.org/10.1111/jon.12894

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Increase in blood–brain barrier leakage in healthy, older adults

Autor: Walter M. Palm, Walter H. Backes, Jacobus F.A. Jansen, Ed H.B.M. Gronenschild, Martin P.J. van Boxtel, Alida A Postma, Joost J. A. de Jong, Frans R.J. Verhey, Inge C.M. Verheggen

Publikováno v: Geroscience, 42(4), 1183-1193. Springer International Publishing
GeroScience

Blood–brain barrier (BBB) breakdown can disrupt nutrient supply and waste removal, which affects neuronal functioning. Currently, dynamic contrast-enhanced (DCE) MRI is the preferred in-vivo method to quantify BBB leakage. Dedicated DCE MRI studies

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c381f669d10cadbfd7826dee8ef4092
https://doi.org/10.1007/s11357-020-00211-2

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The interobserver agreement in the detection of recurrent HNSCC using MRI including diffusion weighted MRI

Autor: Inge Stegeman, Charlotte A.H. Lange, Luuk M. Janssen, Chris H.J. Terhaard, Frank A. Pameijer, Berit M. Verbist, Remco de Bree, Stefan C. A. Steens, Stefan D. Roosendaal, Jonas A. Castelijns, Walter M. Palm, Marielle E.P. Philippens, Juliette P. Driessen, Jan Willem Dankbaar, Boris Peltenburg, Frederick J. A. Meijer, Bart Dorgelo

Publikováno v: European Journal of Radiology, 105, 134-140. Elsevier Ireland Ltd
European Journal of Radiology, 105, 134-140. ELSEVIER IRELAND LTD
European Journal of Radiology, 105, 134-140
European journal of radiology, 105, 134-140. Elsevier Ireland Ltd
European Journal of Radiology, 105, 134. Elsevier Ireland Ltd
European Journal of Radiology, 105, pp. 134-140

Introduction: For the detection of local recurrences of head and neck squamous cell carcinomas (HNSCC) after (chemo)radiation, diagnostic imaging is generally performed. Diffusion weighted magnetic resonance imaging (DW-MRI) has been proven to be abl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e9d761c392b739445176988692856f3
https://doi.org/10.1016/j.ejrad.2018.05.031

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DWI for Assessment of Rectal Cancer Nodes After Chemoradiotherapy: Is the Absence of Nodes at DWI Proof of a Negative Nodal Status?

Autor: Walter M. Palm, Regina G. H. Beets-Tan, Geerard L. Beets, Doenja M. J. Lambregts, Monique Maas, Babs M. F. Hendriks, Miriam M. van Heeswijk

Publikováno v: American Journal of Roentgenology, 208(3), W79-W84. American Roentgen Ray Society

OBJECTIVE. When considering organ preservation in patients with rectal cancer with good tumor response, assessment of a node-negative status after chemoradiation therapy (CRT) is important. DWI is a very sensitive technique to detect nodes. The study

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::770d07dc8a35f3096946396bbbd651c6
https://doi.org/10.2214/ajr.16.17117

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Optimal detection of subtle gadolinium leakage in CSF with heavily T2-weighted fluid-attenuated inversion recovery imaging

Autor: Jacobus F.A. Jansen, Heidi I.L. Jacobs, Whitney M. Freeze, Erik Hoff, Frans R.J. Verhey, Walter H. Backes, R.W. van Hooren, Walter M. Palm, D.N. ter Weele

Publikováno v: American Journal of Neuroradiology, 40(9), 1481-1483. American Society of Neuroradiology
AJNR Am J Neuroradiol

SUMMARY: Pericortical enhancement on postcontrast FLAIR images is a marker for subtle leptomeningeal blood-brain barrier leakage. We explored the optimal FLAIR sequence parameters for the detection of low gadolinium concentrations within the CSF. On

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ead406d04f0b1de281b120fb6b649c2
https://hdl.handle.net/1887/3630348

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Pericortical Enhancement on Delayed Postgadolinium Fluid-Attenuated Inversion Recovery Images in Normal Aging, Mild Cognitive Impairment, and Alzheimer Disease

Autor: Roald S. Schnerr, Walter M. Palm, Jacobus F.A. Jansen, Frans R.J. Verhey, Whitney M. Freeze, Heidi I.L. Jacobs, Walter H. Backes, Erik Hoff

Publikováno v: American Journal of Neuroradiology, 38(9), 1742-1747. American Society of Neuroradiology
AJNR Am J Neuroradiol

BACKGROUND AND PURPOSE: Breakdown of BBB integrity occurs in dementia and may lead to neurodegeneration and cognitive decline. We assessed whether extravasation of gadolinium chelate could be visualized on delayed postcontrast FLAIR images in older i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d2072b1ab13d5b5a488a2b2376c5606
https://cris.maastrichtuniversity.nl/en/publications/b79c385d-6c0c-41e5-8a2b-92052f5ce5e5

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Cerebral atrophy in elderly with subjective memory complaints

Autor: Huub A. M. Middelkoop, Walter M. Palm, Eduard L. E. M. Bollen, Jeroen van der Grond, Wiesje M. van der Flier, Julien Milles, Rudi G. J. Westendorp, Luca Ferrarini, Mark A. van Buchem

Publikováno v: Journal of Magnetic Resonance Imaging. 38:358-364

Purpose To evaluate ventricular shape differences along the complete surface of the lateral and third ventricles of persons with subjective memory complaints (MC). Materials and Methods We included 28 controls and 21 persons with MC. FLAIR, T2, and P

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::00bdc6a9a983b082608ff3d1bc40914f
https://doi.org/10.1002/jmri.23977

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MMSE scores correlate with local ventricular enlargement in the spectrum from cognitively normal to Alzheimer disease

Autor: Johan H.C. Reiber, Gerard J. Blauw, Huub A. M. Middelkoop, Faiza Admiraal-Behloul, Eduard L. E. M. Bollen, Roald van der Landen, Mark A. van Buchem, Hans Olofsen, Rudi G. J. Westendorp, Luca Ferrarini, Walter M. Palm

Publikováno v: NeuroImage. 39:1832-1838

In this work, we aimed at correlating focal atrophy in periventricular structures with cognitive function, in the spectrum from healthy subjects to severe Alzheimer disease: 28 subjects with normal cognition and 84 patients presenting various degrees

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ae356e90f75b99331a39b4cc6ad5a90
https://doi.org/10.1016/j.neuroimage.2007.11.003

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Ventricular shape biomarkers for Alzheimer's disease in clinical MR images

Autor: Walter M. Palm, Johan H.C. Reiber, Faiza Admiraal-Behloul, Roald van der Landen, Hans Olofsen, Luca Ferrarini, Mark A. van Buchem

Publikováno v: Magnetic Resonance in Medicine. 59:260-267

The aim of this work was to identify ventricular shape-based biomarkers in MR images to discriminate between patients with Alzheimer's disease (AD) and healthy elderly. Clinical MR images were collected for 58 patients and 28 age-matched healthy cont

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e31b73460c986a7283781cc10cf89d0f
https://doi.org/10.1002/mrm.21471

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