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Toronto General Hospital

Medical Imaging Leadership

Patrik Rogalla

Dr. Patrik Rogalla

Site Director

Hayley Panet

Hayley Panet

Site Manager

Heidi Schmidt

Dr. Heidi Schmidt

Radiologist-in-Chief

Location

1st Floor, Peter Munk and Gerrard Buildings

Toronto General Hospital Map

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Toronto General Hospital

Our Services

Computed Tomography (CT)

Computed Tomography (CT)

Hours of Operation:
Monday to Friday
8:00 a.m. – 11:00 p.m.

  • CT uses a pencil-thin X-ray beam to take detailed pictures inside the body.
  • CT can be used to study all parts of the body.
  • From CT images, colourful three-dimensional pictures of organs can be created.
X-ray

General Radiography (X-ray)

Hours of Operation:
Monday to Friday
8:00 a.m. – 5:00 p.m.

  • X-rays are the oldest and most frequently used form of medical imaging.
  • X-rays use small amounts of radiation to produce images of bones and internal organs.
  • It’s non-invasive and helps physicians diagnose and treat medical conditions.
Interventional Radiology

Interventional Radiology

Hours of Operation:
Monday to Friday
8:00 a.m. – 4:00 p.m.

  • Interventional radiology offers some of the most minimally invasive, targeted treatments available.
  • It uses X-rays, Ultrasound, CT and other imaging to advance a catheter in the body.
  • IR treatments allow for lower risk, less pain, and shorter recovery time.
Magnetic Resonance Imaging (MRI)

Magnetic Resonance Imaging (MRI)

Hours of Operation:
24 hours, 7 days a week

  • MRIs produce pictures of the body using powerful magnets and radio waves.
  • MRI is a non-invasive procedure.
  • Blood flow and organ motion can be measured with MRI.
  • Unlike CT or PET scans, MRI does not use radiation to take an image.
Positron Emission Tomography MRI

Positron Emission Tomography MRI (PETMR)

Hours of Operation:
Monday to Friday
9:00 a.m. – 5:00 p.m.

  • PETMR combines technology from both molecular imaging and MRI.
  • Images produced from injection of radiopharmaceutical are combined with MRI images.
  • This new technology currently is used in research trials.
  • PET scans your body using a small amount of radioactive suger to help find certain diseases early.
  • PET scans can also help show how well your treatment is working.
Molecular Imaging (Nuclear Medicine)

Molecular Imaging (Nuclear Medicine)

Hours of Operation:
Monday to Friday
8:00 a.m. – 5:00 p.m.

  • Nuclear medicine uses small amounts of radioactive material, called radiopharmaceuticals, to aid diagnosis.
  • The radiopharmaceutical emits energy from the body, which is picked up by a Gamma Camera.
  • It’s safe and typically non-invasive.
Radiopharmacy

Radiopharmacy

Hours of Operation:
Monday to Friday
5:30 a.m. – 4:00 p.m.

  • The radiopharmaceuticals used in nuclear medicine are manufactured every day in our centralized radiopharmacy.
  • Radiopharmacy or nuclear pharmacy is a specialized type of pharmacy dedicated only to compounding and dispensing radiopharmaceuticals for nuclear medicine procedures.
Ultrasound

Ultrasound

Hours of Operation:
Monday to Friday
8:00 a.m. – 9:00 p.m.

  • Ultrasound uses sound waves to see the inside of the body in real-time.
  • It allows examination of organs, soft tissues and blood vessels.
  • Common uses include examination of the uterus, liver, thyroid, heart—the list goes on!