The wait time for PET/CT is about 4 weeks. We are also able to provide PET/CT examinations in general anesthesia or analgosedation to pediatric patients and adult patients with specific problems (claustrophobia).

After filling in the required data on the application form online, press the “Send request” button. We will inform you of the nearest examination date no later than the next working day.

The PET/CT is a non-invasive diagnostic imaging method. It combines the benefits of the PET (positron emission tomography) and the CT (computed tomography) in one examination. A prerequisite is the administration of a radioactive substance (for the PET) and the possible administration of iodinated contrast agent (for the display of morphological CT). Thanks to this, it makes it possible to determine the exact anatomical location of the pathological finding and, at the same time, to clarify unclear structural changes. This significantly increases the yield of both methods. The simultaneous performance of both examinations simplifies the otherwise often lengthy, patient-demanding examination process.

This method is most often used in oncology, in patients with suspected cancer or with already confirmed cancer. In this case, the examination is performed before the start of treatment (based on this examination, the treatment procedure is changed in up to 25% of cases). However, the examination is also often performed as a control after the performed treatment (evaluation of the effect of the treatment and for its possible adjustment) or for the planning of radiotherapy. The PET/CT is also used in the diagnosis of inflammatory, autoimmune diseases, in neurology and cardiology.

At the Proton Therapy Center, we perform examinations using the following radiopharmaceuticals:

  • PET/CT of the torso using the radiopharmaceutical fluorodeoxyglucose (FDG),
  • PET/CT of the torso using the radiopharmaceutical fluorocholine (FCh),
  • PET/CT of the torso using radiopharmaceutical 18F-fluciclovin (Axumin),
  • PET/CT of the brain using the radiopharmaceutical fluorodeoxyglucose (FDG),
  • PET/CT of the brain using the radiopharmaceutical C-methionine (C-Met)
  • PET/CT for radiotherapy planning.

Use of Radiopharmaceuticals and Iodine Contrast Media

Intravenous administration of special radioactive substances, called radiopharmaceuticals, most commonly F-fluorodeoxyglucose (FDG) and F-choline (FCH), is required to produce a metabolic picture. The radiopharmaceuticals are rapidly expelled from the patient’s body in the urine. They do not cause allergies and do not affect a patient’s ability to drive a vehicle. If the patient is given additional medicines, they need to consult with the doctor if they can drive. We obtain the morphological picture with the help of a full-fledged CT examination, with the application of iodine contrast (if it is not contraindicated). The examination is time consuming, it takes about 3 hours, because a large body is scanned as standard (called a whole-body examination). For the administration of the contrast agent, we require a previous laboratory check of the patient’s renal function. This avoids the need to perform only a native, less extensive, examination or move the patient to a later date (after receiving laboratory results).

Our workplace is equipped with: PET/CT Siemens Biograph Vision 450

The hybrid PET/CT scanner combines the benefits of metabolic testing (PET) and structural imaging (CT). Its relatively short and extra-wide gantry (“tunnel”) with a diameter of 78 cm and an examination table with a load capacity of up to 227 kg allow for the examinations of stout patients, claustrophobic patients, as well as patients with radiotherapy planning aids. The device is also equipped with an algorithm for suppressing metallic artefacts, for example in the proximity of joint replacements.

Book "Protonová radioterapie", author Pavel Vítek et al., published by Maxdorf

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Book "Co byste měli vědět o rakovině prsu", author Jitka Abrahámová et al., published by Grada

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