chapter 11-1 vasc-asl: renal arteries · dm# 65225v3 copyright 2013 by hitachi medical systems...

DM# 65225v3 Copyright 2013 by Hitachi Medical Systems America, Inc. All rights reserved. 11-1

Chapter 11-1 VASC-ASL: Renal Arteries

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For detailed safety information, please refer to Chapter 1, Safety, in the Echelon Reference Manual.

Position the respiratory bellows on the patient.

Place the Torso coil on the table on top of Table Pads A and B.

For a detailed explanation on how to set up for respiratory gating, refer to Chapter 3-5, Imaging.

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CautionAvoid loops in the cable. Place any excess cable between the patient table andthe pads. Prevent the cable from touching the patient or any part of themagnet bore.

Align the laser to the center of the Torso coil and press and hold the Set button to advance the patient to isocenter.

Place the patient on the table within the coil as shown.

3 Connect the coil cables to the patient table connector.

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Load your site’s VASC-ASL Renals protocol. If your site does not have one, select the VASC-ASL Renals protocol from the System library.

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Select the S-Map task.Load the Scanogram SCA images.Position the slice group centered to the body, as displayed at left.Select the button.

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Select the Scanogram SCA task, then select the button.

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Select the Shim Axial task.Load the Scanogram SCA images.Confirm the kidneys are in the center of the slice group. If necessary, reposition the patient and acquire new Scanograms.Select the button.

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Chapter 11-1 VASC-ASL: Renal ArteriesSelect the Cor BASG (Resp.Gate) task.Load the Scanogram SCA images.Position the slice group as displayed at left, covering the aorta through the posterior border of the kidneys.Add slices if necessary.

Open the Waveform window and select Respiratory Wave.Enter the patient’s respiration rate into the Beat Rate field of the Gating parameter section.Select the button.

Select the Scanogram 2D TOF Sag w/ MIP task.Load the Scanogram SCA images.Position the slice group as displayed at left, centered on the aorta and covering through the renal pelvis.Select the button.

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Chapter 11-1 VASC-ASL: Renal ArteriesSelect the Cor VASC-ASL Aorta/Renals task.

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Load the Cor BASG, Scanogram Axial and the MIP image from the Scanogram 2D TOF Sag w/ MIP.Position the slice group as displayed, ensuring coverage of the anterior Aorta and at least half of the Kidneys.Position the Selective IR pulse (yellow band) to cover from mid-spleen, just above the Splenic Vein, to just below the FOV as displayed.Note: The 3D slab can be angled with the Aorta on the Sag MIP image.

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Enter the patient’s respiration rate into the Beat Rate field of the Gating parameter section.Select the button.

Note: If after running the scan the renals are not seen, move the Selective IR pulse inferiorly to cover just above the Renal Arteries and repeat the scan.

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Select the Axial VASC-ASL Renals task.

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Load the Scanogram Axial, the MIP image from the Scanogram 2D TOF Sag w/ MIP, and the Cor VASC-ASL Aorta/Renals MIP image.

Position the slice group as displayed, ensuring coverage of the Renal Arteries.Position the Selective IR Pulse (yellow band) to cover from just above the slice stack as displayed.

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Load the Cor VASC-ASL images into the Sliding MIP task.

Select the Sliding MIP task.

Select the button.

Refer to Chapter 5, Post Processing, for explanation of MIP steps.

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Load the Axial VASC-ASL images into the MIP task.

Select the MIP Renals task.

Perform routine MIP functions, then select the button.


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Chapter 11-2 VASC-ASL: Hepatic Portal Vein

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Place the Torso coil on the table on top of Table Pads A and B.

For a detailed explanation on how to set up for respiratory gating, refer to Chapter 3-5, Imaging.

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CautionAvoid loops in the cable. Place any excess cable between the patient table andthe pads. Prevent the cable from touching the patient or any part of themagnet bore.



3 Connect the coil cables to the patient table connector.

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Load your site’s VASC-ASL Hepatic Portal Vein protocol. If your site does not have one, select the VASC-ASL Hepatic Portal Vein protocol from the System library.




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Select the Shim Axial task.Load the Scanogram SCA images.Confirm the liver is in the center of the slice group. If necessary, reposition the patient and acquire new Scanograms.Select the button.

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Chapter 11-2 VASC-ASL: Hepatic Portal VeinSelect the Cor BASG task.Load the Scanogram SCA images.Position the slice group as displayed at left, covering the Vena Cava and mid-liver.Add slices if necessary.

Open the Waveform window and select Respiratory Wave.Enter the patient’s respiration rate into the Beat Rate field of the Gating parameter section.Select the button.

Select the MRV VASC task.Load the Cor BASG, Scanogram Sag and Scanogram Axial images.Position the slice group as displayed at left, centered on the hepatic portal system.Select the button.

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Portal Vein

Select the Cor VASC-ASL Portal Vein task.

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Load the Cor BASG, MIP image from the MRV VASC scan, and the MRV VASC images.Position the slice group as displayed, ensuring coverage of the Portal Vein and IVC.Position the Selective IR pulse (yellow band) to cover half of the Portal Vein, the Splenic Vein, and the Mesenteric Vein as displayed.Note: The 3D slab can be angled with the vasculature on the Sag MIP image.

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IVC

Portal Vein

Splenic Vein

Mesenteric Vein

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A Selective IR Pulse turned ON:Yields an image without the Portal, Splenic, and Mesenteric Veins.

After scan completion, three separate series are reconstructed and displayed in the Output Series pane.

- =B A C

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SIR Pulse Off SIR Pulse On Subtraction

B Selective IR Pulse turned OFF:Yields an image without the Portal, Splenic, and Mesenteric Veins.

B Subtraction of B from A:Yields an image of the Hepatic Portal System.



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Load the VASC-ASL images into the Sliding MIP task.

Select the Sliding MIP task.

Select the button.


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Sliding MIP images displayed in the Review Task.

Results may vary


Chapter 11-3 VASC-ASL: Pulmonary Arteries

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Place the Torso coil on the table on top of Table Pads A and B. 1


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For a detailed explanation on how to set up for respiratory gating, refer to Chapter 3-5, Imaging.3

Place the upper portion of the torso coil on top of the patient. Use the Velcro straps to secure the coil.

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CautionAvoid loops in the cable. Place any excess cable between the patient table and the pads. Prevent the cable from touching the patient or any part of the magnet bore.


Connect the coil cables to the patient table connector.

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Load your site’s VASC-ASL Pulmonary Arteries protocol. If your site does not have one, select the VASC-ASL Pulmonary Arteries protocol from the System library.

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Select the Shim Axial task.Load the Scanogram SCA images.Confirm the heart is in the center of the slice group. If necessary, reposition the patient and acquire new Scanograms.Select the button.

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Select the VASC task.Load the Scanogram SCA images.Position the slice group as displayed at left, centered on the heart and pulmonary vessels.Select the button.

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Chapter 11-3 VASC-ASL: Pulmonary ArteriesSelect the Cor VASC-ASL Pulmonary Arteries task.

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Load the Scanogram Sag, Scanogram Cor, and the VASC images.Position the slice group as displayed, ensuring coverage of the Pulmonary Arteries.

Position the Selective IR pulse (yellow band) covering the Pulmonary Veins as displayed, taking care not to cover the Right Ventricle and Pulmonary Trunk.Note: The 3D slab and SIR pulse can be angled with the vasculature on the VASC images.

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14Right Ventricle Pulmonary TrunkPulmonary Trunk

Pulmonary Veins (white arrows)

Pulmonary Arteries (red arrows)

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Chapter 11-3 VASC-ASL: Pulmonary ArteriesSelect the Axial VASC-ASL Pulmonary Arteries task.

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Load the Scanogram Sag, VASC, and the MIP image from the Cor VASC-ASL Pulmonary Arteries scan.Position the slice group as displayed, ensuring coverage of the Pulmonary Arteries.

Position the Selective IR pulse (yellow band) covering the Pulmonary Veins as displayed, taking care not to cover the Right Ventricle and Pulmonary Trunk.Note: The 3D slab and SIR pulse can be angled with the vasculature on the VASC images.

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Pulmonary Veins (white arrows)Pulmonary Arteries (red arrows)

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Chapter 11-3 VASC-ASL: Pulmonary ArteriesSelect the Cor VASC-ASL Pulmonary Veins task.

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Load the Scanogram Sag, Scanogram Cor, and the VASC images.Position the slice group as displayed, ensuring coverage of the Pulmonary Veins.

Position the Selective IR pulse (yellow band) covering the Right Ventricle and Pulmonary Trunk.Note: The 3D slab and SIR pulse can be angled with the vasculature on the VASC images.

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Chapter 11-3 VASC-ASL: Pulmonary ArteriesSelect the Axial VASC-ASL Pulmonary Veins task.

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Load the Scanogram Sag, VASC, and the MIP image from the Cor VASC-ASL Pulmonary Veins scan.Position the slice group as displayed, ensuring coverage of the Pulmonary Veins.

Position the Selective IR pulse (yellow band) covering the Right Ventricle and Pulmonary Trunk.Note: The 3D slab and SIR pulse can be angled with the vasculature on the VASC images.

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Pulmonary Veins (white arrows)

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Load the Cor VASC-ASL Pulmonary Arteries images into the Sliding MIP Cor task.

Select the Sliding MIP Cor task.

Select the button.


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Results may vary



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Load the Axial VASC-ASL Pulmonary Arteries images into the Sliding MIP Axial task.

Select the Sliding MIP Axial task.

Select the button.


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Results may vary



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35 Change the Series Name in the MIP Setting pane from Arteriesto Veins for each task.

Repeat Steps 28-33 for the Cor VASC-ASL Pulmonary Veins and the Axial VASC-ASL Pulmonary Veins image sets.

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chapter 11-1 vasc-asl: renal arteries · dm# 65225v3 copyright 2013 by hitachi medical systems...

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