Welcome to the Escape Room Gallery.

Can you spot the non-contrast images and help conserve Gadolinium use?

Gadolinium-based contrast agents are used in approximately 34%* of MRI scans, including MR Angiography exams. A key advantage of MR Angiography is that it can be performed without the use of a contrast agent. Recent advancements with scanner hardware, acceleration in image acquisition and techniques designed to increase SNR have made non-contrast MRA more of a routine diagnostic option. For the first few decades of MR’s existence, it was believed that MRI contrast agents were entirely safe to administer, even when double and triple dosed for MRA exams. However, in 2006, this belief was challenged when gadolinium-based agents were directly linked to Nephrogenic Systemic Fibrosis, a potentially lethal disease. Deposition of gadolinium in vital organs, such as the brain, liver and kidneys is also of concern.

Join us on a journey to spot the non-contrast images and unlock more images as you go!

*IMV 2021 MR Market Outlook Report

Room 1

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Carotid MR Angiography

Carotid 3D Time-Of-Flight, with Fast 3D technology, is an inflow technique which allows coverage from Circle of Willis to aortic arch.

Fast 3D reduces the acquisition time of TOF MR Angiography by up to 50%.

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Circle of Willis MR Angiography

3D Time-Of-Flight is an inflow technique covering the Circle of Willis.

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MR Angiography of the Upper Legs

Non-Contrast Flow-Spoiled Fast Blood Imaging (FS-FBI).

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Room 2

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Peripheral Runoff MR Angiography

Canon’s Flow-Spoiled Fast Blood Imaging (FS-FBI) utilizes FASE as a base sequence and allows imaging without the use of contrast agents. Images are acquired in both systole and diastole and then subtracted to leave just the arterial images. Timing for systole and diastole are automatically selected utilizing Canon’s Delay Tracker software.

Canon’s Shape Coil is a versatile and flexible solution that adapts to different body shapes and aids in positioning challenging anatomies. Shape Coil W provides coverage for this triple station runoff so automatic stitching can be performed to seamlessly combine multiple stations into one image.

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Renal Artery MR angiography

Non-Contrast SSFP Time-SLIP of the renal arteries.

Canon’s Time-SLIP allows visualization of the renal arteries without the use of contrast agents. This technique uses steady state free precession as the base sequence and a Time-SLIP tag pulse to tag the area of interest and then allow bright blood to fill the renal arteries based on the BBTI (Black Blood Time Inversion) time.

Canon’s Time-SLIP imaging utilizes Fast 3D technology which allows for accelerated imaging of the renal arteries and up to a 50% scan time reduction.

Shape coil provides flexible coverage and comfort.

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Pulmonary MR angiography

Non-Contrast Pulmonary Time-SLIP. Inflowing blood is spatially labeled allowing visualization of the pulmonary vessels without the use of a contrast agent.

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Room 3

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MR Angiography of the Foot

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MR Angiography of the Foot

Non-Contrast Flow-Spoiled Fast Blood Imaging (FS-FBI) allows visualization of the vessels in the feet without the use of contrast agents.

FS-FBI technique utilizes FASE as the base sequence. Images are acquired in both systole and diastole and then subtracted to leave just the arterial images. Canon’s Delay Tracker technology automatically selects the appropriate delay times for systole and diastole, providing workflow efficiency.

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mASTAR Circle of Willis

Non-contrast MR Angiography is performed using ASTAR pulses. After uniform Tag pulses are applied, sequential acquisition is performed at varying TI timings to acquire MRA images at different TI times, allowing hemodynamics to be observed.

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MR Coronary Artery Imaging

MRCA utilizes Canon’s Real Time Motion Correction to image detailed coronary arteries during free-breathing acquisition of the whole heart.

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Room 4

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Carotid MR Angiography

Non-Contrast SSFP Time-SLIP of the carotid arteries.

Canon’s Time-SLIP technology allows visualization of the carotid arteries without the use of contrast agents.

This technique uses steady state free precession as the base sequence and a Time-SLIP tag pulse over the arch allowing spatially labeled or “tagged” blood from the arch to move into the carotids.

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Portal MR angiography

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Portal MR angiography

Non-Contrast Portal Time-SLIP uses a “tag” to spatially label inflowing blood allowing visualization of the portal system without the use of a contrast agent.

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Final Room

View your results.

You correctly identified of Gadolinium conserved!

No contrast was used in this adventure! You successfully identified of 11 images. Below are all of the answers.

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Canon Medical Systems' Non-Contrast Techniques

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