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PET/MRI

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Meet the future of PETMRI- New Siemens Biograph One coming soon! (1920 x 1080 px) (3480 x 2160 px)4.png

UPDATE SPRING 2026- Meet the future of PET/MRI- New Siemens Biograph One coming soon!

In January 2025, St. Joseph's Health Care London announced a very exciting partnership with WSIB through the game-changing investment of $65.75 million to transform the prevention, diagnosis and treatment of workplace injuries and illness for Ontarians. A cornerstone of this investment is a dedicated Siemens Biograph One PET/MRI scanner to support rapid and accurate diagnosis of mental health conditions including PTSD and depression. 

Renovations to accommodate the new Biograph One began in January 2026, including infrastructure, control room and injection room upgrades to support the advanced requirements of PET/MRI imaging. Construction is on track for completion in April 2026, with research scanning set to resume in May 2026 following installation and commissioning, marking the next phase of innovation for the PET/MRI program.

In addition to mental health conditions, the new PET/MRI scanner is a robust tool that will be used by Lawson Research Institute scientists for the early detection and treatment of Canada’s major health challenges – heart failure, cognitive impairment, cancer, and stroke as well as supporting the future of theranostics at St. Joseph's Health Care London. 

The PET/MRI connects Lawson with a small network of elite molecular imaging research centres throughout the world with similar PET/MR expertise and opens the doors to international collaboration.

Advantages of simultaneous PET/MRI

The advantages of hybrid PET/MR imaging are considerable:

The simultaneous image capture of the PET and MRI scans eliminates potential imaging problems caused by involuntary patient movement, such as breathing, beating of the heart and muscle relaxation

  • The MRI scanner provides improved imaging of soft tissues compared to CT
  • When used for anatomical imaging, the radiation dose for patients is significantly less than that of PET/CT
  • The combined scanner reduces the overall procedure time and the need for patients to return for multiple visits
  • Patients can be diagnosed more quickly and accurately since the imaging and overall information available from the scan is superior and more detailed compared to other methods
  • The scanner’s non-invasive imaging can replace more expensive, complex and  riskier invasive diagnostic techniques (e.g. biopsies, exploratory surgery)
  • Earlier detection of specific markers of disease through PET/MRI can open the door to more treatment options for patients. 

Equipment

Siemens Biograph One

More info coming soon!

Coils

Coils

More info coming soon!

Ancillary Equipment

Vpixx

VPixx Projector

PROPixx Projector and data acquisition system- Native resolution is 1920x1080. Deterministic timing between reception of video signal and update of display pixels with refresh rates up to 500Hz. Standard and super-long throw lenses available. Stereo audio, trigger and digital video inputs/outputs available in the control room. Set-up in MRI Imaging room with SHIELDPixx enclosure.
Website: http://www.vpixx.com

VPixx Projector
infocus

InFocus Projector

InFocus IN5102 LCD projector Native resolution is 1024x768 (XGA). 4000 Lumens. Lens: standard and ultra-long throw (LENS-040). Permanently mounted in equipment room. XGA connection and video signal amplifier available in control room.
Website: http://www.infocus.com

InFocus Projector
eye tracker

Eye Tracking

Eye Tracking
Trackpixx Eye Tracking is a remote 2000 Hz eye and gaze tracking system that offers customization potential, versatility and a large tracking range for binocular or monocular tracking.

Website: http://vpixx.com

Eye Tracking
button box

Button Response Pads

fORP fiber-optic button box for interactive subject participation. We have the 4 button diamond patterned MR-compatible response pad and an identical trainer for use outside the MRI environment. Interface: FIU-932 Fiber: 12-fiber, 55’ Devices: HHSC-1x4-D, TR-1x4-D<
Website: http://www.curdes.com

Button Response Pads
trigger

Triggers (Synchronization with imaging)

Our standard way of triggering experiments is implemented through the fiber optic trigger pulses sent from the MRI scanner in certain pulse sequences (eg. BOLD EPI). The fiber optic is typically connected to the fORP interface and the trigger pulse is converted to various formats. The formats available are: TTL and analog (36 pin connector); USB (small connector). Serial, parallel and USB cables are available.

Triggers (Synchronization with imaging)
serene sound

Sound System and Communication

RTI SereneSound Headset Used for protocols requiring high fidelity audio stimuli. 30dB attenuation of gradient noises 40Hz to 40kHz frequency response. Slim profile for use with Siemens 32-channel head coil.
Website: http://www.mrivideo.com

Sound System and Communication
audio source

Audio Source

Cambridge Soundworks 765i – part of RTI Serene Sound system. Used as basic audio/video source and audio monitor. Audio inputs: Am/FM radio, CD, iPod, Aux Audio outputs: lineout (3.5mm stereo jack), Headphone (3.5mm). Video inputs: DVD,CD-ROM, DVD-ROM Video outputs: s-video, composite
Website: http://store.cambridgesoundworks.com

Audio Source
stim pres

Stimuli Presentation Software

The Stim2 system presents custom designed audio and video stimuli, and supports subject feedback via a 4-button MRI-compatible response pad.
Website: http://www.neuroscan.com/stim.cfm

Stimuli Presentation Software
power lab

Powerlab 4/35

High-performance data acquisition hardware for research applications. 2 analog outputs, TTL trigger input, 8 digital inputs and 8 digital outputs.
Website: http://www.adinstruments.com/products/powerlab

Powerlab 4/35
glasses

MR Compatible Eyeglasses

Cambridge Research Systems Medigoggles. MR-compatible interchangeable prescription eyeglass with lens inserts in Rx powers from -6 to +6 dioptre in 0.5 dioptre increments.
Website: http://www.crsltd.com

MR Compatible Eyeglasses
swisstrace

Swisstrace twilite two Blood Sampler and Beta Scintillator System

Online blood sampling system for arterial input curve acquisition. MRI compatible LYSO scintillator. Connection via two flexible light guides.
Website: http://www.swisstrace.com

Swisstrace twilite two Blood Sampler and Beta Scintillator System
medrad

Power Injector

MEDRAD Spectris solaris EP MR injection system. Can be used to deliver injectibles continuously or in bolus

Power Injector
infusion pump

MRI compatible Infusion Pump

MRidium 3860+ MRI IV Infusion System. Intuitive Smart IV Pump technology reduces input errors. Placement up to the 10000 Gauss line. Infusion range of 0.1 to 1400 mL/hr. Delivery via syringe, bag or bottle. Adjustable KVO Rate, Upstream / Downstream Occlusion Detection and Air-in-Line Detection. Wireless Remote Display allows for control room operation of unit.

MRI compatible Infusion Pump
physio

Physiological Monitoring & Recording

Monitoring and recording of peripheral pulse (top), ECG (middle) and respiration (bottom) through standard Siemens wireless PMU equipment. An MRI-compatible pulse-oximeter, Nonin 8604FO, can be used to display SpO2& and pulse rate.
Website: http://www.nonin.com

Physiological Monitoring & Recording
eeg

EEG System

MagLink RT system records EEG in the MR using an MR-compatible EEG cap (64 or 128 channels) and pulse oximeter. A cable system sends EEG from the magnet to a system unit in the MR control unit. QuikGel and QuikCells are both available as options depending on experimenter preference. Accepts incoming TTL pulses to mark the recorded EEG file with events.
Website: http://www.neuro.com/maglink.cfm

EEG System
eeg data

EEG Data Acquisition Software

SCAN software acquires and analyzes EEG data. Also used to obtain 3D spatial representations of electrode placement.
Website: http://www.neuroscan.com/scan.cfm

EEG Data Acquisition Software
elec source loc

Electrical Source Localization Software

CURRY 6 integrates EEG, ECoG, MEG, MRI, fMRI, PET, SPECT and CT to determine electrical source analysis.
Website: http://www.neuroscan.com/curry.cfm

Electrical Source Localization Software
thermal stim

Thermal Stimulator

Medoc - The Medoc Thermal Stimulator Pathway 95 utilizes a thermode (either CHEPS or ATS available) placed on the subject's skin, which can either heat or cool the skin as required. The thermal stimulation can become painful if desired, but will not damage (i.e.: burn) the skin. A response button can be used outside the MRI to tailor the stimulus to the individual subject's tolerance before entering the MRI. Researchers can program the Pathway to deliver virtually any set of thermal stimuli (subject to safety limitiations) with rapid rise times available (up to 10°C/s).
Website: http://www.medoc-web.com

Thermal Stimulator
temp sens

Temperature Sensing

Luxtron m3300 Biomedical Lab Kit for temperature sensing. The m3300 Biomed Lab Kit is a fiber optic thermometry system designed for such demanding environments, featuring patented fiber optic probes that use the fluorescence of phosphors at their tips to sense temperatures based on optical signals. Because they are non-metallic, and electrically non-conductive, they are immune to electromagnetic interference and can measure temperatures accurately in environments where conventional electrical sensors are ineffective or useless.
Website: http://www.lumasenseinc.com

Temperature Sensing
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Phantoms

acr phantom

ACR Phantom

The ACR MRI Phantom is an 8" (203.2 mm) diameter cylinder, 6.82" (173.40 mm) tall with various fixtures inside, including a grid, cylinders, and other points of interest. Marked with reference points for nose and chin. The Phantom is approved by the American College of Radiology and is compatible with the ACR Phantom Cradles.

Phantoms
nema wb

NEMA Phantom

The NEMA IEC Body Phantom Set™ consists of a body phantom, a lung insert and an insert with six spheres with various sizes. It is designed in accordance with the recommendations by the International Electrotechnical Commission (IEC) and modified by the National Electrical manufacturers Association (NEMA). It is recommended for use in the evaluation of reconstructed image quality in whole body PET imaging.

NEMA Phantom
adni

ADNI Phantom

The ADNI (Alzheimer's Disease Neuroimaging Initiative) Magphan® phantom is used for detailed measurements of volume distortion in MR scanners.The Magphan® Quantitative Imaging Phantom contains a total of 165 spheres made from polycarbonate plastic. These spheres are filled with copper sulfate and water solutions. The spheres are mounted on a series of polycarbonate plates and posts to maintain their fixed positions inside the phantom. The phantom includes one 6cm diameter sphere, four 3cm diameter spheres, two 1.5cm diameter spheres and one hundred fifty-eight 1cm spheres. Measurements of the phantom are compared with the known positions of the spheres to give an accurate measurement of the distortion of the scanner.

ADNI Phantom
pet torso

PET Torso Phantom

The PET Torso Phantom consists of a fillable body phantom, two large hollow cylindrical chambers and one smaller hollow cylindrical chamber

PET Torso Phantom
nema scatter

NEMA Scatter Phantom

The NEMA Scatter Phantom complies with NEMA 2012 Standard and determines the imaging systems relative sensitivity to scatter radiation. It can measure the effects of dead-time and the effects of random events generated at different levels of activity of the line source

NEMA Scatter Phantom
nema sens

NEMA Sensitivity Phantom

The NEMA Scatter Phantom complies with NEMA 2012 Standard and is ideal for measuring PET camera sensitivity

NEMA Sensitivity Phantom
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IGPC3-collage_nocaption.jpg

Contact

The PET/MRI is available to all peer-reviewed grant funded scientific investigators who have obtained appropriate ethics approval. Access is subject to approval by the 3T PET/MRI Operating Advisory Group.

Make a Booking:
mmrbookings@lawsonimaging.ca
Facility Manager
Heather Biernaski, MRT(MR)(N)
heather.biernaski@sjhc.london.on.ca
519-646-6100 x61615
PET/MRI Technologist
Yvonne Huston, MRT(MR)
yvonne.huston@sjhc.london.on.ca
519-646-6100 x61615

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