Positron Emission Tomography
The tracer travels through the body and is absorbed by the organs and tissues that are being studied. Then, 45 minutes after the injection, you will lie down on a flat examination table that is moved into the center of a PET scanner, a doughnut-shaped machine. This machine detects and records the energy given off by the tracer substance. With the aid of a computer, this energy is converted into three-dimensional pictures.
A physician can then look at cross-sectional images of the organ from any angle in order to detect any problems. PET scans are most often used to detect cancer , heart problems such as coronary artery disease and damage to the heart after a heart attack , brain disorders including brain tumors , memory disorders, and seizures , and other central nervous system disorders. One of the main differences between PET scans and imaging tests like a computed tomography CT scan or magnetic resonance imaging MRI is that the PET scan reveals metabolic changes in an organ or tissue earlier--at the cellular level.
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This is important and unique because diseases often begin with functional changes in the cells. A PET scan can often detect these very early changes, whereas a CT or MRI detect changes a little later, as the disease begins to cause changes in the structure of organs or tissues. Cleveland Clinic is a non-profit academic medical center.source link
What is Positron Emission Tomography (PET) Imaging?
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Important qualities of a PET technologist include: empathetic, detail-oriented, and great communicator. High school students can prepare for a future role as a PET technologist by taking advantage of science, math, technology, and communication courses. PET technologists begin their careers with higher education in nuclear medicine. Typically, most employers will require the following:.
The nuclear medicine technology field has grown due to a demand for PET and the need for PET specialty-certified technologists is high.
How PET scans work
The Bureau of Labor Statistics expects employment of nuclear medicine technologists to grow faster than average. With the growth of the middle-aged and older adult populations, demand will increase for diagnostic procedures, including nuclear medicine testing. In addition, technological advancements will likely increase the diagnostic use of nuclear medicine.
With additional training and experience, a PET technologist may become a chief technologist, research technologist, an educator, or move into marketing and sales. College of Medicine and Science. Academics Section Overview Academic programs. Admissions and Tuition Section Overview Residencies and fellowships.
Positron Emission Tomography, PET scan Mayfield Brain & Spine Cincinnati, Ohio
About Section Overview College profile. Patient Care College Research. Search Search Mayo Clinic Search. What does a positron emission tomography technologist do? Scope of practice PET technologists work with doctors, medical physicists , nuclear pharmacists, computer specialists, nurses and administrative staff to treat patients of all ages, from infants to the elderly. Common tasks and duties include: Ensuring patient safety during procedure Performing PET scans Capturing high quality diagnostic images Administering radiopharmaceuticals Maintaining equipment Work environment Employers of PET technologists include hospitals, universities, medical clinics, imaging clinics, diagnostic labs, and research centers.
- Positron emission tomography.
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Becoming a positron emission tomography technologist Important qualities of a PET technologist include: empathetic, detail-oriented, and great communicator.