Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Henk W. Venema"'
Publikováno v:
European Journal of Radiology. 82:1144-1158
This article reviews two important aspects of CT-colonography, namely colonic distension and scan parameters. Adequate distension should be obtained to visualize the complete colonic lumen and optimal scan parameters should be used to prevent unneces
Autor:
Chung Y. Nio, Geert J. Streekstra, O.D.F. Henneman, Henk W. Venema, Thierry N. Boellaard, M.C. van Dorth-Rombouts, Jaap Stoker
Publikováno v:
Clinical radiology, 68(8), 799-806. W.B. Saunders Ltd
Aim To assess the feasibility of colorectal cancer detection using dual-energy computed tomography with iodine mapping and without bowel preparation or bowel distension. Materials and methods Consecutive patients scheduled for preoperative staging co
Publikováno v:
European Journal of Endocrinology, 166, 619-24
European journal of endocrinology / European Federation of Endocrine Societies, 166(4), 619-624. BioScientifica Ltd.
European Journal of Endocrinology, 166, 4, pp. 619-24
European journal of endocrinology / European Federation of Endocrine Societies, 166(4), 619-624. BioScientifica Ltd.
European Journal of Endocrinology, 166, 4, pp. 619-24
ObjectiveEndocrine deficiencies, like GH and estrogen deficiencies, are likely candidates to explain increased visceral to subcutaneous fat ratio in patients with pituitary insufficiency. However, recent reports pointed to cranial radiotherapy (CRT)
Autor:
Karin Bol, Geert J. Streekstra, G. J. den Heeten, Charles B. L. Majoie, Henk W. Venema, Cornelis A. Grimbergen, Henk A. Marquering, H.A.F. Gratama van Andel
Publikováno v:
Medical Physics. 37:5711-5727
Purpose: Computed tomographyangiography (CTA) is often used to determine the degree of stenosis in patients that suffer from carotid artery occlusive disease. Accurate and precise measurements of the diameter of the stenosed internal carotid artery a
Autor:
G. J. den Heeten, Cornelis A. Grimbergen, H.A.F. Gratama van Andel, Geert J. Streekstra, Henk W. Venema, Charles B. L. Majoie
Publikováno v:
Medical Physics. 36:1074-1085
CT perfusion (CTP) examinations of the brain are performed increasingly for the evaluation of cerebral blood flow in patients with stroke and vasospasm after subarachnoid hemorrhage. Of the same patient often also a CT angiography (CTA) examination i
Autor:
Lieuwe de Haan, Hans P. Sauerwein, Therese van Amelsvoort, Mireille J. Serlie, Hiske E. Becker, Regje M. E. Blümer, Lonneke van Nimwegen, Mariëtte T. Ackermans, Eric Fliers, Jitschak G. Storosum, Henk W. Venema, Gideon Allick
Publikováno v:
Journal of clinical endocrinology and metabolism, 93(2), 572-577. The Endocrine Society
OBJECTIVE: Our objective was to measure insulin sensitivity and body composition in antipsychotic-naive patients with DSM IV schizophrenia and/or schizoaffective disorder compared with matched controls. DESIGN: Seven antipsychotic medication-naive pa
Publikováno v:
AJR. American journal of roentgenology, 191(4), W181-W189. American Roentgen Ray Society
OBJECTIVE. The purpose of this study was to determine the influence of tagged material on the minimal radiation dose needed to detect colorectal polyps at CT. MATERIALS AND METHODS. The study was conducted in two phases. In the first, three experienc
Publikováno v:
European Radiology
European radiology, 18(9), 1818-1830. Springer Verlag
European radiology, 18(9), 1818-1830. Springer Verlag
The introduction of digital radiography not only has revolutionized communication between radiologists and clinicians, but also has improved image quality and allowed for further reduction of patient exposure. However, digital radiography also poses
Autor:
M. Romijn, H.A.F. Gratama van Andel, J. Van Rijn, W.J. van Rooij, G. J. den Heeten, Marieke E. S. Sprengers, Cornelis A. Grimbergen, M.A.A. van Walderveen, Charles B. L. Majoie, Henk W. Venema
Publikováno v:
AJNR. American journal of neuroradiology, 29(1), 134-139. American Society of Neuroradiology
AJNR Am J Neuroradiol
AJNR Am J Neuroradiol
BACKGROUND AND PURPOSE: Our aim was to determine the diagnostic accuracy of multisection CT angiography combined with matched mask bone elimination (CTA-MMBE) for detection of intracranial aneurysms compared with digital subtraction angiography (DSA)
Autor:
G. J. den Heeten, Geert J. Streekstra, Charles B. L. Majoie, M. van Straten, Cornelis A. Grimbergen, Henk W. Venema, H.A.F. Gratama van Andel
Publikováno v:
Medical Physics. 34:3711-3723
For clear visualization of vessels in CT angiography (CTA) images of the head and neck using maximum intensity projection (MIP) or volume rendering (VR) bone has to be removed. In the past we presented a fully automatic method to mask the bone [match