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Items: 1 to 50 of 167

1.

CT angiography of intracranial arterial vessels: impact of tube voltage and contrast media concentration on image quality.

Ramgren B, Björkman-Burtscher IM, Holtås S, Siemund R.

Acta Radiol. 2012 Oct 1;53(8):929-34. doi: 10.1258/ar.2012.120218. Epub 2012 Aug 17.

PMID:
22903017
2.

Comprehensive CT Evaluation in Acute Ischemic Stroke: Impact on Diagnosis and Treatment Decisions.

Löve A, Siemund R, Andsberg G, Cronqvist M, Holtås S, Björkman-Burtscher I.

Stroke Res Treat. 2011;2011:726573. doi: 10.4061/2011/726573. Epub 2011 Mar 15.

3.

Cerebral perfusion imaging in hemodynamic stroke: be aware of the pattern.

Siemund R, Cronqvist M, Andsberg G, Ramgren B, Knutsson L, Holtås S.

Interv Neuroradiol. 2009 Dec;15(4):385-94. Epub 2009 Dec 28.

4.

Absolute quantification of cerebral blood flow: correlation between dynamic susceptibility contrast MRI and model-free arterial spin labeling.

Knutsson L, van Westen D, Petersen ET, Bloch KM, Holtås S, Ståhlberg F, Wirestam R.

Magn Reson Imaging. 2010 Jan;28(1):1-7. doi: 10.1016/j.mri.2009.06.006. Epub 2009 Aug 19.

PMID:
19695822
5.

Absolute quantification of cerebral blood flow in neurologically normal volunteers: dynamic-susceptibility contrast MRI-perfusion compared with computed tomography (CT)-perfusion.

Ziegelitz D, Starck G, Mikkelsen IK, Tullberg M, Edsbagge M, Wikkelsö C, Forssell-Aronson E, Holtås S, Knutsson L.

Magn Reson Med. 2009 Jul;62(1):56-65. doi: 10.1002/mrm.21975.

6.

[New methods for safe diagnosis and treatment in stroke].

Lilja A, Holtås S.

Lakartidningen. 2008 Nov 19-25;105(47):3424-9. Swedish. No abstract available.

PMID:
19112972
7.

[Now we can "read" the brain].

Holtås S.

Lakartidningen. 2008 Nov 19-25;105(47):3423. Swedish. No abstract available.

PMID:
19112971
8.

Follow-up of intracranial aneurysms treated with detachable coils: comparison of 3D inflow MRA at 3T and 1.5T and contrast-enhanced MRA at 3T with DSA.

Ramgren B, Siemund R, Cronqvist M, Undrén P, Nilsson OG, Holtås S, Larsson EM.

Neuroradiology. 2008 Nov;50(11):947-54. doi: 10.1007/s00234-008-0429-z. Epub 2008 Aug 21.

PMID:
18716766
9.

Human cerebral blood volume (CBV) measured by dynamic susceptibility contrast MRI and 99mTc-RBC SPECT.

Engvall C, Ryding E, Wirestam R, Holtås S, Ljunggren K, Ohlsson T, Reinstrup P.

J Neurosurg Anesthesiol. 2008 Jan;20(1):41-4.

PMID:
18157024
10.

Model-free arterial spin labelling for cerebral blood flow quantification: introduction of regional arterial input functions identified by factor analysis.

Knutsson L, Bloch KM, Holtås S, Wirestam R, Ståhlberg F.

Magn Reson Imaging. 2008 May;26(4):554-9. Epub 2007 Dec 3.

PMID:
18060721
11.

Human neuroblasts migrate to the olfactory bulb via a lateral ventricular extension.

Curtis MA, Kam M, Nannmark U, Anderson MF, Axell MZ, Wikkelso C, Holtås S, van Roon-Mom WM, Björk-Eriksson T, Nordborg C, Frisén J, Dragunow M, Faull RL, Eriksson PS.

Science. 2007 Mar 2;315(5816):1243-9. Epub 2007 Feb 15.

12.

[Functional imaging medicine--a new specialty with great prospects].

Arheden H, Aspelin P, Bajc M, Damm S, Flodmark O, Friberg P, Gustafsson L, Holtås S, Modin A, Riklund K, Rydh A.

Lakartidningen. 2006 Sep 27-Oct 3;103(39):2883-4. Swedish. No abstract available.

PMID:
17128923
13.

Endovascular treatment of intracerebral arteriovenous malformations: procedural safety, complications, and results evaluated by MR imaging, including diffusion and perfusion imaging.

Cronqvist M, Wirestam R, Ramgren B, Brandt L, Romner B, Nilsson O, Säveland H, Holtås S, Larsson EM.

AJNR Am J Neuroradiol. 2006 Jan;27(1):162-76.

14.

Diffusion and perfusion MRI in patients with ruptured and unruptured intracranial aneurysms treated by endovascular coiling: complications, procedural results, MR findings and clinical outcome.

Cronqvist M, Wirestam R, Ramgren B, Brandt L, Nilsson O, Säveland H, Holtås S, Larsson EM.

Neuroradiology. 2005 Nov;47(11):855-73. Epub 2005 Oct 19.

PMID:
16235046
15.

Vertebrobasilar dissection with subarachnoid hemorrhage: a retrospective study of 29 patients.

Ramgren B, Cronqvist M, Romner B, Brandt L, Holtås S, Larsson EM.

Neuroradiology. 2005 Feb;47(2):97-104. Epub 2005 Feb 16.

PMID:
15711986
16.

Hand-arm-vibration syndrome (HAVS): is there a central nervous component? An fMRI study.

Lundborg G, Rosén B, Knutsson L, Holtås S, Ståhlberg F, Larsson EM.

J Hand Surg Br. 2002 Dec;27(6):514-9.

PMID:
12475506
17.

Value of conventional, and diffusion- and perfusion weighted MRI in the management of patients with unclear cerebral pathology, admitted to the intensive care unit.

Sundgren PC, Reinstrup P, Romner B, Holtås S, Maly P.

Neuroradiology. 2002 Aug;44(8):674-80. Epub 2002 Jul 18.

PMID:
12185545
18.

Carotid artery stenosis: contrast-enhanced MR angiography with two different scan times compared with digital subtraction angiography.

Sundgren PC, Sundén P, Lindgren A, Lanke J, Holtås S, Larsson EM.

Neuroradiology. 2002 Jul;44(7):592-9. Epub 2002 Jun 20.

PMID:
12136361
19.

Diffusion-weighted imaging of brain metastases: their potential to be misinterpreted as focal ischaemic lesions.

Geijer B, Holtås S.

Neuroradiology. 2002 Jul;44(7):568-73. Epub 2002 May 29.

PMID:
12136357
20.

Combined diffusion weighting and CSF suppression in functional MRI.

Andersson L, Bolling M, Wirestam R, Holtås S, Ståhlberg F.

NMR Biomed. 2002 May;15(3):235-40.

PMID:
11968139
21.

Serial investigation of perfusion disturbances and vasogenic oedema in hypertensive encephalopathy by diffusion and perfusion weighted imaging.

Sundgren PC, Edvardsson B, Holtås S.

Neuroradiology. 2002 Apr;44(4):299-304. Epub 2002 Feb 16.

PMID:
11914804
22.

Assessment of contractile and noncontractile components in human skeletal muscle by magnetic resonance imaging.

Holmbäck AM, Askaner K, Holtås S, Downham D, Lexell J.

Muscle Nerve. 2002 Feb;25(2):251-8.

PMID:
11870694
23.

Thrombolysis for acute ischemic stroke: a consensus statement of the 3rd Karolinska Stroke Update, October 30-31, 2000.

Kaste M, Thomassen L, Grond M, Hacke W, Holtås S, Lindley RI, Roine R, Gunnar Wahlgren N, Wardlaw JM.

Stroke. 2001 Nov;32(11):2717-8. Review. No abstract available.

PMID:
11692044
24.

Diffusion- and perfusion-weighted MRI in therapeutic neurointerventional procedures.

Cronqvist M, Ramgren B, Geijer B, Wirestam R, Brandt L, Holtås S.

Neuroradiology. 2001 Aug;43(8):662-71.

PMID:
11548175
25.

The value of b required to avoid T2 shine-through from old lucunar infarcts in diffusion-weighted imaging.

Geijer B, Sundgren PC, Lindgren A, Brockstedt S, Ståhlberg F, Holtås S.

Neuroradiology. 2001 Jul;43(7):511-7.

PMID:
11512577
26.

Proton magnetic resonance spectroscopy in brain tumours: clinical applications.

Burtscher IM, Holtås S.

Neuroradiology. 2001 May;43(5):345-52. Review.

PMID:
11396737
27.

[Increase the number of MR examinations! Optimal utilization contributes to cost-effective health care].

Bergström K, Ericson K, Fagerlund M, Hindmarsh T, Holtås S.

Lakartidningen. 2001 Apr 18;98(16):1952-3. Swedish. No abstract available.

PMID:
11370415
28.

Persistent high signal on diffusion-weighted MRI in the late stages of small cortical and lacunar ischaemic lesions.

Geijer B, Lindgren A, Brockstedt S, Ståhlberg F, Holtås S.

Neuroradiology. 2001 Feb;43(2):115-22.

PMID:
11326555
29.

Perfusion-related parameters in intravoxel incoherent motion MR imaging compared with CBV and CBF measured by dynamic susceptibility-contrast MR technique.

Wirestam R, Borg M, Brockstedt S, Lindgren A, Holtås S, Ståhlberg F.

Acta Radiol. 2001 Mar;42(2):123-8.

PMID:
11281143
30.

Proton MR spectroscopy in clinical routine.

Burtscher IM, Holtås S.

J Magn Reson Imaging. 2001 Apr;13(4):560-7. Review.

PMID:
11276100
31.

Rectal carcinoma: double-contrast MR imaging for preoperative staging.

Wallengren NO, Holtås S, Andrén-Sandberg A, Jonsson E, Kristoffersson DT, McGill S.

Radiology. 2000 Apr;215(1):108-14.

PMID:
10751475
32.

Absolute cerebral blood flow measured by dynamic susceptibility contrast MRI: a direct comparison with Xe-133 SPECT.

Wirestam R, Ryding E, Lindgren A, Geijer B, Holtås S, Ståhlberg F.

MAGMA. 2000 Dec;11(3):96-103. Erratum in: MAGMA 2001 Aug;13(1):60.

PMID:
11154950
33.

A ring-enhancing metastasis with central high signal on diffusion-weighted imaging and low apparent diffusion coefficients.

Holtås S, Geijer B, Strömblad LG, Maly-Sundgren P, Burtscher IM.

Neuroradiology. 2000 Nov;42(11):824-7.

PMID:
11151689
34.

Regional cerebral blood flow distributions in normal volunteers: dynamic susceptibility contrast MRI compared with 99mTc-HMPAO SPECT.

Wirestam R, Ryding E, Lindgren A, Geijer B, Ostergaard L, Andersson L, Holtås S, Ståhlberg F.

J Comput Assist Tomogr. 2000 Jul-Aug;24(4):526-30.

PMID:
10966181
35.

High-resolution diffusion imaging using phase-corrected segmented echo-planar imaging.

Brockstedt S, Moore JR, Thomsen C, Holtås S, Ståhlberg F.

Magn Reson Imaging. 2000 Jul;18(6):649-57.

PMID:
10930774
36.

201Thallium SPECT and 1H-MRS compared with MRI in chemotherapy monitoring of high-grade malignant astrocytomas.

Kallén K, Burtscher IM, Holtås S, Ryding E, Rosén I.

J Neurooncol. 2000;46(2):173-85.

PMID:
10894370
37.

Organ damage in treated middle-aged hypertensives compared to normotensives: results from a cross-sectional study in general practice.

Enström I, Burtscher IM, Eskilsson J, Holm K, Holtås S, Pennert K, Thulin T.

Blood Press. 2000;9(1):28-33.

PMID:
10854005
38.

Quantitative 201Tl SPET imaging in the follow-up of treatment for brain tumour: a sensitive tool for the early identification of response to chemotherapy?

Källén K, Geijer B, Malmström P, Andersson AM, Holtås S, Ryding E, Rosén I.

Nucl Med Commun. 2000 Mar;21(3):259-67.

PMID:
10823328
39.

[Multidisciplinary cooperation behind a quality registry for carotid surgery. Good coverage during the first two years].

Wahlgren NG, Bergqvist D, Hellenius ML, Holtås S, Jogestrand T, Lindqvist M, Norrving B, Troëng T, von Arbin M.

Lakartidningen. 2000 Apr 5;97(14):1678-82, 1684-5. Swedish.

PMID:
10815394
40.

[Commission of inquiry scrutinized complications of carotid surgery. Half of the complications could be explicable by errors or dubious indications].

Bergqvist D, von Arbin M, Hellénius ML, Holtås S, Jogestrand T, Lindqvist M, Norrving B, Troëng T, Wahlgren NG.

Lakartidningen. 2000 Apr 5;97(14):1673-6. Swedish.

PMID:
10815393
41.

Assessment of regional cerebral blood flow by dynamic susceptibility contrast MRI using different deconvolution techniques.

Wirestam R, Andersson L, Ostergaard L, Bolling M, Aunola JP, Lindgren A, Geijer B, Holtås S, Ståhlberg F.

Magn Reson Med. 2000 May;43(5):691-700.

42.

Clinical lacunar syndromes as predictors of lacunar infarcts. A comparison of acute clinical lacunar syndromes and findings on diffusion-weighted MRI.

Lindgren A, Staaf G, Geijer B, Brockstedt S, Ståhlberg F, Holtås S, Norrving B.

Acta Neurol Scand. 2000 Feb;101(2):128-34.

PMID:
10685861
43.

Proton MR spectroscopy and preoperative diagnostic accuracy: an evaluation of intracranial mass lesions characterized by stereotactic biopsy findings.

Burtscher IM, Skagerberg G, Geijer B, Englund E, Ståhlberg F, Holtås S.

AJNR Am J Neuroradiol. 2000 Jan;21(1):84-93.

44.

[Very rapid development of functional image diagnostics].

Pettersson H, Albrechtsson U, Arheden H, Holtås S, Jarlman O, Jonson B, Jonsson K, Laurin S, Lundstedt C, Stridbeck H.

Lakartidningen. 1999 Dec 8;96(49):5501-6. Review. Swedish. No abstract available.

PMID:
10643245
45.

MRI and proton spectroscopy in a child with Rasmussen's encephalitis. Case report.

Sundgren PC, Burtscher IM, Lundgren J, Geijer B, Holtås S.

Neuroradiology. 1999 Dec;41(12):935-40.

PMID:
10639671
46.

Quality assessment of localization technique performance in small volume in vivo 1H MR spectroscopy.

Burtscher IM, Johansson E, Holtås S, Ståhlberg F.

Magn Reson Imaging. 1999 Dec;17(10):1511-9.

PMID:
10610000
47.

Paragangliomas of the spinal canal.

Sundgren P, Annertz M, Englund E, Strömblad LG, Holtås S.

Neuroradiology. 1999 Oct;41(10):788-94.

PMID:
10552032
48.

Assessment of glioma viability by estimating 201Tl SPET tumour uptake volume.

Källén K, Geijer B, Andersson AM, Holtås S, Ryding E, Rosén I.

Nucl Med Commun. 1999 Sep;20(9):837-44.

PMID:
10533190
49.

In vivo proton MR spectroscopy of untreated and treated brain abscesses.

Burtscher IM, Holtås S.

AJNR Am J Neuroradiol. 1999 Jun-Jul;20(6):1049-53.

50.

Triggering in quantitative diffusion imaging with single-shot EPI.

Brockstedt S, Borg M, Geijer B, Wirestam R, Thomsen C, Holtås S, Ståhlberg F.

Acta Radiol. 1999 May;40(3):263-9.

PMID:
10335963

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