CN105683772B - Push button blood vessel wall imaging with 3D search sweep - Google Patents
Push button blood vessel wall imaging with 3D search sweep Download PDFInfo
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Abstract
A kind of medical system (10) and method (100), are automatically imaged blood vessel wall.The search sweep of (102) to patient is executed automatically using magnetic resonance (MR), to position the target vasculature of patient.Described search scanning is three-dimensional (3D) and isotropic.The MR data set of described search scanning is that foot is projected to head (FH) projection, left-to-right (LR) and rear before (PA) is projected by automatic Reconstruction (104).Cover the 3D imaging volume (16) of target vasculature according to the projection to automatically determine (106), and executes the diagnostic scan of (108) to 3D imaging volume (16) using MR.
Description
Technical field
Present invention relates generally to magnetic resonance (MR) imagings.Application is specifically applied to be combined with blood vessel wall imaging, and will
It is described referring especially to blood vessel wall imaging.It will be appreciated, however, that the application is also applied to other use situations, without limiting
In above-mentioned application.
Background technique
Blood vessel wall imaging based on MR, the patch imaging such as based on MR, is had and is taken the photograph better than based on such as computerized tomography
The many advantages of the blood vessel wall imaging of other image modes of shadow (CT) and ultrasonic (US).These advantages include better soft tissue
Comparison and more elastic image comparison.Though there is these advantages, the clinical of the blood vessel wall imaging based on MR is used relatively slowly.
Among other things, compared with the blood vessel wall imaging based on other image modes, the imaging of blood vessel wall based on MR slowly and
With complex work process.Latest developments in hardware and imaging sequence subtract 45 minutes conventional imaging times
Lack up to 2/3rds.For example, the Bilateral Cervical of rule can be executed with as little as 15 minutes now due to these latest developments
Arteriography.Nevertheless, still complicated imaging workflow is still based on the more clinical extensively of the blood vessel wall imaging of MR
The challenge of use.
With reference to Figure 1A-D, the known work process for the blood vessel wall imaging based on MR about arteria carotis is illustrated.Work
It include before being able to carry out diagnostic scan three to four locater and/or search sweep (scout scan) as process.The
One scanning is search sweep, illustrates its example in figure 1A.Subsequent scanning include the scanning of bright blood transition time (TOF) and
Tilt dark blood scanning.The example of the two scannings is accordingly illustrated in figures ib and 1 c.Depending on the purpose of diagnostic scan,
The dark blood scanning of additional inclination can be required to capture the dark Blood Image of sagittal of the two sides from arteria carotis.Three to four
After a locator and/or search sweep, diagnostic scan is performed, and the example of diagnostic scan is illustrated in Fig. 1 D.In Balu
Et al. Serial MRI of carotid plaque burden:influence of subject repositioning
In on measurement precision, Magnetic Resonance in Medicine 2007.57:592-599 more in detail
Carefully describe workflow.
Workflow be it is complicated, reason first is that it requires many scannings.Search sweep and bright blood TOF scan quilt
The position of target vasculature for identification.In addition, because the position of branch is used as the boundary mark in diagnostic scan, it is one or more
It tilts dark blood scanning and be used to realize reproducible diagnostic scan.Tilting dark blood scanning can not be easily by bright blood
TOF scanning replaces, because the resolution ratio tilted on the foot to the direction head (FH) of dark blood scanning is 0.6 millimeter (mm) of approximation, and
Resolution ratio on the direction FH of bright blood TOF is approximation 2mm.In addition, more more reliable than bright blood sequence using dark blood sequence.It removes
Except the complexity of workflow, man-machine interactively of each requirement from skilled technician in scanning.Therefore, all scannings
Requirement is successfully completed to train comprehensively and then even be still susceptible to malfunction.
This application provides the new and improved system and method for overcoming these problems and other problems.
Summary of the invention
According to one aspect, a kind of medical system for blood vessel wall imaging is provided.The medical system includes control
Device, the controller include search unit.Described search unit execute the search sweep to patient using magnetic resonance (MR) with
Position the target vasculature of the patient.Search sweep is three-dimensional (3D) and isotropic.The controller further includes search weight
Unit is built, the MR data set that described search scans is redeveloped into foot to head (FH) projection, left-to-right by described search reconstruction unit
(LR) projection and rear before (PA) are projected.In addition, the controller includes: imaging-elementary volume, volume element, according to the projection come
Determine the 3D imaging volume for covering the target vasculature；And diagnosis unit, it is executed using MR to the 3D imaging volume
Diagnostic scan.
A kind of medical procedures for blood vessel wall imaging are provided according to another aspect,.Use magnetic resonance (MR) Lai Zidong
The search sweep to patient is executed to position the target vasculature of the patient.Described search scanning is three-dimensional (3D) and isotropism
's.The MR data set of described search scanning is projected by automatic Reconstruction for foot to head (FH), left-to-right (LR) projects and rear before
(PA) it projects.The 3D imaging volume for covering the target vasculature is automatically determined according to the projection.It is executed using MR to institute
State the diagnostic scan of 3D imaging volume.
A kind of medical system for blood vessel wall imaging is provided according to another aspect,.The medical system includes that magnetic is total
Shake (MR) scanner, and magnetic resonance (MR) scanner executes the search sweep to patient using magnetic resonance (MR) to position
State the target vasculature of patient.Described search scanning is three-dimensional (3D) and isotropic.The medical system further includes at reconstruction
Device is managed, the MR data set that described search scans is redeveloped into foot to head (FH) projection, left-to-right (LR) and thrown by the reconstruction processor
Shadow and rear before (PA) are projected.Even more, the medical system includes controller, and the controller is according to the projection
To automatically determine the 3D imaging volume for covering the target vasculature.The MR scanner, which also executes, examines the 3D imaging volume
Disconnected scanning.
One the advantage is that other than starting fully automated (that is, not requiring user to input) based on magnetic resonance (MR)
Blood vessel wall imaging.
Another advantage is that the reduction of the duration of locator and/or search sweep.
Another advantage is that from three or four to the reduction of the locator of only one and/or the quantity of search sweep.
Another advantage is that not damaged in registration accuracy between locator and/or scanning and diagnostic scan.
Those skilled in the art will be recognized of the invention another after reading and understanding following detailed description
Outer advantage.
Detailed description of the invention
The present invention can take the form of various parts and the arrangement of each component, and each step and step can be taken to pacify
The form of row.Attached drawing is not necessarily to be construed as limitation of the present invention merely to preferred illustrated embodiment.
Figure 1A illustrates the search sweep for the known approach being imaged for the blood vessel wall based on magnetic resonance (MR).
Figure 1B illustrates bright blood transition time (TOF) scanning for the approach of Figure 1A.
Fig. 1 C illustrates the dark blood scanning of inclination for the approach of Figure 1A.
Fig. 1 D illustrates the diagnostic scan of the approach for Figure 1A.
Fig. 2 illustrates the MR imaging system of the approach using the enhancing for blood vessel wall imaging.
Fig. 3 A illustrates left-to-right (LR) projection of bright blood scanning.
Fig. 3 B illustrates (AP) front to back projection of the bright blood scanning of Fig. 3 A.
The foot that Fig. 3 C illustrates the bright blood scanning of Fig. 3 A is projected to head (FH).
Fig. 4 is the block diagram of the approach of the enhancing for blood vessel wall imaging of Fig. 2.
Specific embodiment
The known approach being imaged for the blood vessel wall based on magnetic resonance (MR) includes complicated workflow, the complexity
Workflow is usually required that before being able to carry out diagnostic scan three to four locater and/or search sweep.In addition, planning is swept
Requirement training comprehensively is retouched, and is readily able to malfunction.The application is used for using the progress of hardware and three-dimensional (3D) imaging to provide
The approach of the enhancing of blood vessel wall imaging, the approach of the enhancing include reducing the workflow of desired people's interaction.Workflow
It can include as few as simply tapping or the user of the promotion of button (for example, START button) is interactive.
With reference to Fig. 2, the approach of the enhancing that imaging system 10 is imaged using MR and for blood vessel wall generates the mesh of patient 12
Mark the one or more diagnostic image of vascular (such as, arteria carotis).System 10 includes scanner 14, and the scanner definition is adjusted
Whole size is to adapt to imaging (or scanning) volume 16 of target vasculature.Patient support can be used for supporting patient 12, and
By target vasculature positioning close to the equal centers of imaging volume 16.
Scanner 14 includes the strong static state B that creation extends through imaging volume 160The main magnet 18 in magnetic field.Main magnet 18 is logical
Static B is created frequently with superconducting coil0Magnetic field.However, main magnet 18 also can be using permanent or resistive magnet.As long as superconduction
Coil is used, and main magnet 18 just includes the cooling system for superconducting coil, the cooling cryostat of such as liquid helium.It is being imaged
In volume 16, static B0The intensity in magnetic field is usually following one: 0.23 tesla, 0.5 tesla, 1.5 teslas, 3 it is special this
Drawing, 7 teslas etc., it is contemplated that other intensity.
The gradient controller 20 of scanner 14 is controlled, to use multiple magnetic field gradient coils 22 of scanner 14 by magnetic
Field gradient, such as x, y and z gradient, the static B being superimposed upon in imaging volume 160On magnetic field.Magnetic field gradient spatially coded imaging
Magnetic spin in volume 16.In general, multiple magnetic field gradient coils 22 include being spatially encoded on three orthogonal intersection space directions
Three individual magnetic field gradient coils.
In addition, one or more transmitters 24, such as transceiver, are controlled to one or more hairs using scanner 14
Coil array, such as whole-body coil 26 and/or surface coils 28 are penetrated, by B1Resonance excitation and manipulation radio frequency (RF) impulse ejection
Into imaging volume 16.B1Pulse is usually short duration, and when being acquired together with magnetic field gradient, is realized to magnetic
The manipulation of the selection of resonance.For example, B1Pulse excitation hydrogen dipole resonates, and magnetic field gradient is to the frequency in resonance signal
Spatial information in rate and phase is encoded.By adjusting RF frequency, can be motivated in other dipoles, such as phosphorus altogether
Vibration, phosphorus, which is inclined to, is gathered in known tissue, in such as bone.
Sequence controller 30 controls gradient controller 20 and/or transmitter 24 according to imaging sequence, in imaging volume 16
The interior MR signal for generating space encoding.Imaging sequence defines B1The sequence of pulse and/or magnetic field gradient.Furthermore it is possible to from sequence
The equipment or system remotely-or locally of controller, such as sequence memory 32 receive imaging sequence.
One or more receivers 34, such as transceiver receive the magnetic resonance letter of the space encoding from imaging volume 16
Number, and by the magnetic resonance signal of received space encoding be demodulated into MR data set.For example, MR data set includes the space k- number
According to track.For the magnetic resonance signal of reception space coding, receiver 34 uses one or more receiving coils of scanner 14
Array, such as whole-body coil 26 and/or surface coils 28.MR data set is usually stored in data storage 36 by receiver 34
In.
MR data set is redeveloped into MR image or the mapping of imaging volume 16 by reconstruction processor 38.This includes for by MR number
According to each MR signal of collection capture, the space encoded by magnetic field gradient is spatially decoded, comes from such as pixel or body to determine
The property of the MR signal of each area of space of element.It usually determines the intensity or amplitude of MR signal, but also can determine and phase
Other related properties such as position, relaxation time, magnetization transmitting.MR image or mapping are typically stored in video memory 40.
Master controller 42 controls reconstruction processor 38 and sequence controller 30, to use the one or more of target vasculature to sweep
Retouch and for blood vessel wall imaging enhancing approach, the one or more diagnostic image of Lai Shengcheng target vasculature.It is swept for each
It retouches, target vasculature is positioned in imaging volume 16.For example, patient 12 is positioned in patient support.Then, surface coils
28 are positioned on patient 12, and ROI is moved in imaging volume 16 by patient support.The size of imaging volume 16 can
Change between scans.
Once target vasculature is positioned in imaging volume 16, master controller 42 is just according to the scanning for the quantity being such as sliced
State modulator sequence controller 30, and imaging sequence is provided to sequence controller 30.For example, imaging sequence can be stored in
In sequence memory 32.As described above, imaging sequence defines the B for generating the MR signal of space encoding from imaging volume 161Pulse
Sequence and/or magnetic field gradient.In addition, master controller 42 can control and receive device 34 according to sweep parameter.For example, main control
Device 42 can adjust the gain of receiver 34.
As discussed above, for blood vessel wall imaging known approach include before being able to carry out diagnostic scan three to
Four locater and/or search sweep.First scanning is search sweep, illustrates its example in figure 1A.Subsequent scanning packet
It includes bright blood transition time (TOF) scanning and tilts dark blood scanning.The two scannings are accordingly illustrated in figures ib and 1 c
Example.Depending on the purpose of diagnostic scan, the dark blood scanning of additional inclination can be needed.Three to four locater and/
Or after search sweep, diagnostic scan is executed, the example of diagnostic scan is illustrated in Fig. 1 D.
The application uses the approach of the enhancing for blood vessel wall imaging comprising before executing isotropism diagnostic scan
Only single locator and/or search sweep.Need the user from MR system 10 to locator and/or search sweep only
Starting (for example, selection START button).It being capable of the every other step of automatic implementation.
It is imaged according to the blood vessel wall of the application bright by the way that search sweep and bright blood transition time (TOF) scanning group to be combined into
Blood scanning advantageously achieves the simplification workflow.Bright blood scanning has selectable range, compares mesh so that ensuring to cover
It marks the bigger volume (for example, twice of the volume of target volume) of vascular and target vasculature is positioned in the volume.This
Outside, isotropic resolution matrix of search sweep allows flexible image in any direction to rebuild, and thus maintains identical
Registration accuracy, regardless of plate (or slice) is positioned in where, and thus eliminates and dark blood tilted for one or more
The needs of liquid scanning.
Master controller 42 in response to user input (for example, come from user input equipment 44, the promotion of such as button it is defeated
Enter), to execute the approach of the enhancing for blood vessel wall imaging.The approach of enhancing includes being covered by search unit or the execution of module 46
The bright blood search sweep of lid imaging volume 16 is positioned in the imaging volume known to blood vessel wall.The ruler of imaging volume 16
It is very little be suitably adapted it is sufficiently large (for example, the visual field in 10-15 centimetres (cm) and other directions on the direction foot to head (FH)
Boundary), to include the target vasculature in the approximate known location for be centered at target vasculature.In this sense, bright blood is swept
The area of coverage retouched is big.The scanning of bright blood or isotropism, 3D and high-resolution (for example, 1-1.5mm).It is able to use
Any technology, such as transition time (TOF) or other magnetic resonance angiography (MRA) technologies, to generate bright blood scanning.
After executing bright blood scanning, search-reconstruction unit or module 48 use reconstruction processor 38, using known
Corresponding MR data set automatic Reconstruction is FH by technology, left-to-right (LR) and rear before (PA) bright blood projection.In other words, bright blood
The 3D rendering of liquid scanning or mapping are projected as two-dimentional (2D) image or mapping (that is, projection).Fig. 3 A-C illustrates these projections
Example.Fig. 3 A illustrates LR projection, and Fig. 3 B illustrates PA projection, and Fig. 3 C illustrates FH projection.
According to projection, 3D imaging volume is automatically determined by imaging-elementary volume, volume element or module 50.This includes automatically determining throwing
2D imaging volume in each of shadow.2D imaging volume is suitably adapted size to include complete target vasculature, and
Volume is minimized simultaneously with retention time efficiency.Determine that an approach of 2D imaging volume uses the edge for signal strength to examine
Survey the edge to identify target vasculature.Then the ampleness of such as 5-10cm is added to the perimeter of detection to define 2D imaging
Volume.The dotted line of Fig. 3 A-C illustrates the example for the 2D imaging volume being automatically determined.In some embodiments, (such as with
The mode illustrated in Fig. 3 A-C) display equipment 52 on to the user of MR system 10 show 2D imaging volume, to allow user to make
2D imaging volume is modified with user input equipment 44.
Once it is determined that 2D imaging volume, they are combined into 3D imaging volume.It can be by will be every in 2D imaging volume
A backwards projection (that is, backwards projection) Lai Zuhe 2D imaging volume into 3D imaging volume.In backwards projection, corresponding 2D at
As volume ad infinitum extends in the new third dimension.Then the intersection of backwards projection is determined.It is the friendship for indicating 3D imaging volume
Fork.Therefore, the 2D imaging volume of LR, PA and FH projection defines the shape of the 3D imaging volume on corresponding direction.For example, needle
The shape of the 3D imaging volume on the direction LR is defined to the 2D imaging volume of LR projection.
One or more diagnostic scans to 3D imaging volume are then executed by diagnosis unit or module 54.Diagnostic scan is
Isotropism and high-resolution are (for example, less than .7mm's).In addition, diagnostic scan is able to use acceleration technique and/or is folded into
As technology.Each of diagnostic scan can be T1 weighting, T2 weighting or both T1 and T2 weighting.In addition, in diagnostic scan
Each of can be depending on diagnostic scan application bright or dark blood scanning.It can be used for the imaging sequence of diagnostic scan
Example include the dark blood imaging sequence of 3D MERGE and 3D SNAP is dark or bright blood imaging sequence.In some embodiments, exist
Time can be used as diagnostic scan by limitation place, bright blood image scanning.
It is redeveloped by diagnosis-reconstruction unit or module 56 using the MR data set that reconstruction processor self diagnosis in 38 future scans
The image of target vasculature or mapping.These images or mapping can be displayed in display equipment 52, or otherwise be presented
To the user of MR system 10.Extraly, these images or mapping can be stored in video memory 40.
Master controller 42 can execute the approach of the enhancing for blood vessel wall imaging by software, hardware or both.?
This respect, can be by the unit or module of software, hardware or both come every in execution unit or module 46,48,50,54,56
It is a.For each of software unit or module, master controller 42 includes at least one processor of runs software.In unit or
When module 46,48,50,54,56 is entirely software, master controller 42 is at least one processor of runs software.The place of software
Reason device executable instruction is appropriately stored in program storage 58, and described program memory can be local or remote from master
Controller 42.According to preferred embodiment, master controller 42 is the approach for being programmed to execute the enhancing for blood vessel wall imaging
One or more processors.In such embodiments, the processor that processor usually runs the approach for realizing enhancing can be performed
Instruction.
In addition, although reconstruction processor 38 and sequence controller 30 are illustrated as answering in the outside of master controller 42
When recognizing that the one or both in these components can be integrated into together the group of software, hardware or both with master controller 42
It closes.For example, reconstruction processor 38 can be integrated into together with master controller 42 and run on the processor of master controller 42
Software module.
With reference to Fig. 4, the block diagram 100 of the method for enhancing is provided.As discussed above, suitably by master controller (42)
The method for executing enhancing.According to the method for enhancing, magnetic resonance (MR) Lai Zhihang 102 (movement corresponding to search unit 46) is used
Search sweep to patient, to position the target vasculature of patient.Search sweep is suitably three-dimensional (3D) and isotropic.
The MR data set of search sweep is reconstructed (104) (movement corresponding to search-reconstruction unit 58) as foot to head (FH), left-to-right
(LR) and rear before (PA) is projected, and automatically determines 106 (movements corresponding to imaging-elementary volume, volume element 50) according to projection
Cover the 3D imaging volume (16) of target vasculature.108 (movements corresponding to diagnosis unit 54) are executed using MR 3D is imaged
The diagnostic scan of volume (16), and the MR data set of diagnostic scan is reconstructed 110 (corresponding to the dynamic of diagnosis-reconstruction unit 56
Make) be target vasculature image.
It uses as described herein, memory includes any equipment or system of storing data, such as random access memory
Device (RAM) or read-only memory (ROM).In addition, as it is used herein, processor includes processing input equipment to generate output
Any equipment or system of data, such as microprocessor, microcontroller, graphics processing unit (GPU), specific integrated circuit
(ASIC), FPGA etc.；Controller includes any equipment or system for controlling another equipment or system；User input equipment includes permitting
Perhaps the user of user input equipment provides input to any equipment of another equipment or system, such as mouse or keyboard；And
Display equipment includes any equipment for showing data, such as liquid crystal display (LCD) or light emitting diode (LED) display
Device.
The present invention is described by reference to preferred embodiment.Other people can be with after reading and understanding foregoing detailed description
It modifies and modification.The present invention is directed to be interpreted as including all such modifications and variations, as long as it falls into claim
In the range of book or its equivalence.
Claims (20)
1. a kind of medical system (10) that the blood vessel wall for the target vasculature in patient is imaged, the medical system
(10) include:
Controller (42) comprising:
Search unit (46) executes the single search sweep to patient using magnetic resonance (MR) to position the institute of the patient
Target vasculature is stated, described search scanning is three-dimensional (3D) and isotropic；
It searches for reconstruction unit (48), the MR data set that described search scans is redeveloped into foot to head (FH) projection, left-to-right
(LR) projection and rear before (PA) are projected；
Imaging-elementary volume, volume element (50) determines the 3D imaging volume (16) for covering the target vasculature according to the projection；With
And
Diagnosis unit (54) executes the diagnostic scan to the 3D imaging volume (16) using MR.
2. medical system (10) according to claim 1, wherein the controller (42) further include:
It diagnoses reconstruction unit (56), the MR data set of the diagnostic scan is redeveloped into the image of the target vasculature.
3. according to claim 1 with medical system described in any one of 2 (10), wherein described search scanning be bright blood
Scanning.
4. medical system described in any one of -2 (10) according to claim 1, wherein described search scanning cover foot extremely
Head side upwardly extend 10-15 centimetres (cm) and left-to-right and after to the volume for crossing over visual field in front direction.
5. medical system described in any one of -2 (10) according to claim 1, wherein described search scanning resolution ratio be
1-1.5 millimeters (mm).
6. medical system described in any one of -2 (10) according to claim 1, wherein search, which is rebuild, includes:
The MR data set is redeveloped into 3D rendering or mapping；And
By the 3D rendering or mapping projections to foot to head, left-to-right and after to two dimension (2D) image in front direction or reflect
It penetrates, the 2D image or mapping correspond to the projection.
7. medical system described in any one of -2 (10) according to claim 1, wherein the imaging-elementary volume, volume element (50)
It determines the 2D imaging volume for covering the target vasculature in each of described projection, and combines the 2D imaging volume
For the 3D imaging volume.
8. medical system described in any one of -2 (10) according to claim 1, wherein the resolution ratio of the diagnostic scan is excellent
In 0.7 millimeter (mm).
9. medical system described in any one of -2 (10) according to claim 1, wherein the diagnostic scan is isotropism
's.
10. medical system described in any one of -2 (10) according to claim 1 further include being used by the controller (42)
MR scanner (14) and at least one of reconstruction processor (38), the MR scanner and the reconstruction processor are used respectively
In the reconstruction of the MR data set to the single search sweep and the diagnostic scan and described search scanning
It executes.
11. medical system described in any one of -2 (10) according to claim 1, wherein described search unit (46), described
Search reconstruction unit (48), the imaging-elementary volume, volume element (50) and the diagnosis unit (54) are software, and the controller
It (42) is the one or more processors for running the software.
12. a kind of medical procedures (100) for blood vessel wall to be imaged, the medical procedures include:
To execute the target arteries and veins that (102) position the patient to the single search sweep of patient automatically using magnetic resonance (MR)
Pipe, described search scanning are three-dimensional (3D) and isotropic；
By described search scanning MR data set automatic Reconstruction (104) be foot to head (FH) projection, left-to-right (LR) projection and
(PA) is projected before afterwards；
The 3D imaging volume (16) that (106) cover the target vasculature is automatically determined according to the projection；And
The diagnostic scan of (108) to the 3D imaging volume (16) is executed using MR.
13. medical procedures (100) according to claim 12, further includes:
The MR data set of the diagnostic scan is rebuild into the image that (110) are the target vasculature.
14. medical procedures (100) described in any one of 2 and 13 according to claim 1, wherein at least one of the following:
Described search scanning is bright blood scanning；
Described search scanning cover foot to head side upwardly extend 10-15 centimetres (cm) and left-to-right and after in front direction
Across the volume of visual field；And
The resolution ratio of described search scanning is 1-1.5 millimeters (mm).
15. medical procedures described in any one of 2-13 (100) according to claim 1, wherein the search is rebuild
(104) include:
The MR data set is redeveloped into 3D rendering or mapping；And
By the 3D rendering or mapping projections to foot to head, left-to-right and after to two dimension (2D) image in front direction or reflect
It penetrates, the 2D image or mapping correspond to the projection.
16. medical procedures described in any one of 2-13 (100) according to claim 1, wherein determination (106) packet
Include the 2D imaging volume for determining and covering the target vasculature in each of described projection, and by the 2D imaging volume group
It is combined into the 3D imaging volume.
17. medical procedures described in any one of 2-13 (100) according to claim 1, wherein at least one of the following:
Less than 0.7 millimeter of the resolution ratio of the diagnostic scan (mm)；And
The diagnostic scan is isotropic.
18. at least one processor (42) is configured as executing method described in any one of 2-17 according to claim 1
(100)。
19. a kind of non-transitory computer-readable medium (58) for carrying software, the software control one or more processors
(42) method (100) described in any one of 2-17 according to claim 1 is executed.
20. a kind of medical system (10) for blood vessel wall to be imaged, the medical system (10) include:
Magnetic resonance (MR) scanner (14), it is described to position to execute the single search sweep to patient using magnetic resonance (MR)
The target vasculature of patient, described search scanning are three-dimensional (3D) and isotropic；
The MR data set that described search scans is redeveloped into foot to head (FH) projection, left-to-right (LR) by reconstruction processor (38)
Projection and rear before (PA) are projected；
Controller (42) automatically determines the 3D imaging volume (16) for covering the target vasculature according to the projection, wherein
The MR scanner (14) also executes the diagnostic scan to the 3D imaging volume.
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| PCT/IB2014/064215 WO2015033271A1 (en) | 2013-09-09 | 2014-09-03 | Push-button vessel wall mri with 3d scout scan |
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| CN102334045A (en) * | 2009-01-13 | 2012-01-25 | 艾斯拜克特磁铁技术有限公司 | Means and methods for providing high resolution mri |
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