The Difference Between a CT Scanner & CT Simulator

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THE DIFFERENCE BETWEEN A CT SCANNER CT SIMULATOR
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By Vikki Harmonay
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Quite often the terms CT Scanner and CT Simulator
are used interchangeably. But are they really the
same thing? Well, yes and no.
A CT Scanner produces detailed images of
structures inside the body. These can include
organs, blood vessels and bones. CT scans can be
used to diagnose conditions, including problems
with blood flow, stroke, cancer, injuries to
internal organs and damage to bones. It uses a
series of X-rays and a computer to produce a 3D
image of bones and soft tissue. Its a painless,
noninvasive way to diagnose conditions.
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A CT Simulator is a real-time, CT-linked, 3D
treatment planning system. It consists of a CT
Scanner, and a lot more. It also includes a
multi-image display, a treatment planning device
that has real-time visual optimization and a
laser beam projector. A CT simulation procedure
is a process thats performed before a
radiotherapy treatment to determine the size,
shape and location of a tumor. A radiotherapy
team and oncologist can then plan a custom-made
treatment for a patient. The CT Simulator is
designed for CT sim procedures with an 80 cm or
larger bore, a flat table top, laser positioning
devices and virtual simulation imaging software.
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There are three phases to a CT Simulation
Procedure

• Creating an immobilization device The patient
  must remain still during a radiation treatment,
  so an immobilization device is necessary to make
  sure the tumor can be targeted to millimeters in
  order to preserve the healthy tissue. These
  devices are custom made to fit over areas of the
  body, like a head, neck or pelvic region.
• Take images of the tumor while the oncology
  patient is in position. The CT sim procedure
  mimics the position of the patient in the linear
  accelerator in all aspectsexcept when delivering
  the therapeutic beam.

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• Targeting marks are placed on the patients body
  for localization of the radiation beam. The marks
  arent permanent but do have to remain on the
  patient until the last day of radiation therapy.

• Looking for a CT Scanner?

Talk to the experts at Atlantis Worldwide. There
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Other Blogs You May Have Missed

• Is Your CT Tube About To Fail?
• Installing a CT Scanner What You Need to Know
• Should your business lease or buy medical imaging
  equipment?
• What Radiographers Have To Say About COVID-19
• Free CT Resources
• Meet the author Vikki Harmonay

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