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| Result: Searchterm 'Slice'
found in 36 messages |
| Result Pages: 1 2 3 4 5 [6] 7 8 |
More Results:  Database (177) News Service (6) Resources (5) |
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A Marsh
Mon. 5 Oct.09,
16:53
[Start of:
'MRA BRAIN'
0 Reply]
 Category:
Applications and Examinations
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| MRA BRAIN |
Should block of slices angled or not angled on the scout.
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waseem zafar
Thu. 3 Sep.09,
11:09
[Start of:
'MRI TECHNOLOGIST'
0 Reply]
Category:
Jobs
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| MRI TECHNOLOGIST |
i am medical imaging technologist,i have passed BSc(HONS) Medical imaging technology in july 2007 from university of health sciences lahore.i have great experience of MRI(1.5T PHILIPS Magnetom,1.5T Siemens Avanto,Hitachi0.35T.ICAN PERFORM ALL TYPES OF SCANNING OF MRI INCLUDINGMRA,MRV,PERFUSION,DIFFUSION etc,
ihave also good experience of CT 64 SLICES TOSHIBA AQUILION,I CAN PERFORM ALL PERIPHERAL ANGIO,CARDIAC ANGIO,BIPHASIC AND OTHER CT PROCEDURES,I HAVE GREAT EXPERIENCE OF POSTPROCESSINF ON WORKSTATION OR VITREA,I CAN MAKE ALL 3D IMAGES ON VITREA.I AHVE EXPERINENCE OF NUCLEAR MEDICINE,AND FUJI CR SYSTEM,
I WANT TO WORK AT SAUDI ARABIA SO A I M LOOKING FOR THE JOB
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Matthijs Lipperts
Wed. 7 Jan.09,
11:05
[Start of:
'SPAIR movement artefact'
0 Reply]
Category:
Artifacts
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| SPAIR movement artefact |
Dear all,
When scanning wrists in our Avanto MR always the penultimate slice in the transversal series shows a movement artefact. This happens with all patients and always the penultimate slice. We found out that using regular fat saturation this does not occur, with SPAIR (which is preferable because of the frequent susceptibility artefacts in arms/wrists) however it happens all the time. The simple solution for our radiology staff is to use normal fat saturation instead of SPAIR, however we are intriged by this problem and were hoping that anyone also experienced this problem and maybe found an explanation.
Because it happens in only 1 slice we are suspecting some kind of interference of the slice selection pulse with the SPAIR pre-pulses.
Any input is appreciated,
thanks in advance, Matthijs
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Hugo Robalo
Thu. 3 Apr.08,
16:22
[Reply (2 of 4) to:
'MRI Bandwidth and turbo factor relation ?'
started by: 'young bong we'
on Thu. 20 Mar.08]
Category:
Basics and Physics
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| MRI Bandwidth and turbo factor relation ? |
A higher BW will increase the noise, minimum FoV, slices per TR and will decrease the minimum TE, SNR and echo spacing.
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Reader Mail
Wed. 12 Dec.07,
10:07
[Reply (1 of 2) to:
'double ir physic'
started by: 'soontorn siriserussa'
on Sun. 2 Dec.07]
Category:
Sequences and Imaging Parameters
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| double ir physic |
Different types of double inversion recovery (DIR, 2IR) sequences are used to improve the suppression of blood signal (black blood technique) or to null the signals from two different tissue types (e.g. white matter and cerebrospinal fluid).
The black blood technique (used in cardiovascular MRI) works with two inversion pulses, where the first pulse is nonselective and the second pulse is slice-selective. TI is set to a value at which the signal of the recovering inverted blood is zero (http://www.mr-tip.com/serv1.php?type=db1&dbs=Double%20Inversion).
The second technique (also named gray matter only) is used in brain imaging to improve the detection of lesions, for example in the diagnostic of multiple sclerosis. Two 180° pulses with different TI are used to suppress two different types of tissue simultaneously.
Hope this helps
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