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PET/CT

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Exam Explanation

Technologist helping patient have PET ScanA PET (Positron Emission Tomography) exam is a cutting-edge molecular imaging test that assesses the functionality of organs and tissues through the use of a radioactive tracer. Element utilizes different types of radioactive tracers tailored to target the cells associated with the specific areas of concern for your physician. This specialized exam is combined with a CT (Computed Tomography) scan for comprehensive disease detection. Unlike conventional imaging tests that focus solely on anatomy, PET technology looks at the chemical and metabolic activity of your body’s cells. The integration of PET/CT technology makes possible the early detection of various conditions, including numerous cancers and brain disorders.

Exam Preparation Instructions - Radiotracer Specific


F-18 FDG for Routine Oncology/Metabolic Evaluation

  • Nothing to eat or drink for 4 hours prior to your appointment time
  • Patient may drink only a small amount of water to take any necessary medication
  • Eat a low carbohydrate/no sugar diet beginning 24 hours prior to exam
  • No exercise or strenuous physical activity 24 hours prior to exam
  • No alcohol or smoking 12 hours prior to exam
  • Allow 2 hours at our facility for your PET/CT scan

F-18 PSMA positive lesions in prostate cancer patients with suspected metastasis and candidates for initial definite therapy and/or suspected recurrence based on elevated PSA levels

  • No prep required for this exam
  • Stay well hydrated

F-18 Fluciclovine (Axumin) Radiotracer for Prostate Cancer Recurrence

  • No strenuous activity 24 hours prior to exam
  • Nothing to eat or drink 4 hours prior to exam

Cu64 Dotatate (Detectnet) Radiotracer for Neuroendocrine Tumor

  • Drink plenty of water the day before and the day of the exam
  • Fasting is not required
  • Patients on LONG-ACTING SOMATOSTATIN treatment must schedule exam prior to next dose
  • Patients on SHORT-ACTING SOMATOSTATIN treatment should discontinue 48 hours prior to exam

F-18 Fluoroestradiol (Cerianna) Radiotracer for Evaluation of ER+ Lesions in Recurrent or Metastatic Breast Cancer

  • No prep required for this exam

F-18 Florbetaben Neuraceq Radiotracer for Evaluation of Beta Amyloid Plaque/Alzheimer’s Dementia

  • No prep required for this exam