Released: 2/28/2008 5:40 PM EST Source: American Institute of
... Another rapidly growing technique used to detect diseases in people of all ages is positron emission tomography (PET). This technique uses short-lived radionuclides produced in cyclotrons. These nuclides are labeled to compounds such as glucose, testosterone and amino acids to monitor physiological ...
... Another rapidly growing technique used to detect diseases in people of all ages is positron emission tomography (PET). This technique uses short-lived radionuclides produced in cyclotrons. These nuclides are labeled to compounds such as glucose, testosterone and amino acids to monitor physiological ...
Physics in Medicine - Wayne State University Physics and Astronomy
... concepts have been used to implement various technologies throughout the medical field. At the conclusion of the course the student is expected to: Understand the basic atomic physics involved in x-ray generation Understand the basic nuclear physics involved in radionuclide treatments and imagin ...
... concepts have been used to implement various technologies throughout the medical field. At the conclusion of the course the student is expected to: Understand the basic atomic physics involved in x-ray generation Understand the basic nuclear physics involved in radionuclide treatments and imagin ...
Functional Imaging
... Same as PET scan, but instead measures movement of blood molecules, which is an index of neuron activity Extremely precise images collected rapidly, many times per second. Doesn’t require injection of radioactive materials. ...
... Same as PET scan, but instead measures movement of blood molecules, which is an index of neuron activity Extremely precise images collected rapidly, many times per second. Doesn’t require injection of radioactive materials. ...
Invention and Purpose
... What is it used for? • Scanning body to produce body structure images to detect injuries, diseases, illness, etc. ...
... What is it used for? • Scanning body to produce body structure images to detect injuries, diseases, illness, etc. ...
NImag
... Coincidence counting • Method of counting employing a coincidence circuit so that an event is recorded only if events are detected in two sensing devices simultaneously. • Such counting methods may be used to reduce background noise if a radioisotope emits more than one detectable radiation event i ...
... Coincidence counting • Method of counting employing a coincidence circuit so that an event is recorded only if events are detected in two sensing devices simultaneously. • Such counting methods may be used to reduce background noise if a radioisotope emits more than one detectable radiation event i ...
Introduction to CT
... At the initialization of the scan x-rays passing through the patient are attenuated depending on the tissue type. A detector system located opposite the x-ray tube measures the attenuation values as an analogue signal This signal is transmitted to the Analogue to digital converter (ADC) The ADC conv ...
... At the initialization of the scan x-rays passing through the patient are attenuated depending on the tissue type. A detector system located opposite the x-ray tube measures the attenuation values as an analogue signal This signal is transmitted to the Analogue to digital converter (ADC) The ADC conv ...
Imaging Highlights
... Teletherapy vs Bradytherapy Teletherapy – radiation source is external Bradytherapy – radiation source is internal ...
... Teletherapy vs Bradytherapy Teletherapy – radiation source is external Bradytherapy – radiation source is internal ...
yhhn -spect-pet-cki-2012
... • Dose calibrators are gas filled ionising chambers. The gas is air and sealed to avoid variations in temperature and atmospheric pressure. • Dose calibrators are used to assay large quantities of activities where it is too large for NaI(Tl) detector ...
... • Dose calibrators are gas filled ionising chambers. The gas is air and sealed to avoid variations in temperature and atmospheric pressure. • Dose calibrators are used to assay large quantities of activities where it is too large for NaI(Tl) detector ...
Physics of PET - University of Washington
... The most important of the corrections is attenuation correction (AC): Photons that encounter more or denser material on their path from the annihilation site to the detectors are more likely to be absorbed or scattered (i.e. attenuated) than photons that travel through sparser parts of the body. If ...
... The most important of the corrections is attenuation correction (AC): Photons that encounter more or denser material on their path from the annihilation site to the detectors are more likely to be absorbed or scattered (i.e. attenuated) than photons that travel through sparser parts of the body. If ...
Power Point 2 - VIA Lab - Carnegie Mellon University
... Gamma camera for creating image of radioactive target Camera is rotated around patient ...
... Gamma camera for creating image of radioactive target Camera is rotated around patient ...
Two-dimensional Reconstruction of a Radioactive Source
... images generated during a CT scan can be reformatted in multiple planes, and can even generate three-dimensional images which can be viewed on a computer monitor, printed on film or transferred to electronic media. CT scanning is often the best method for detecting many different cancers since the i ...
... images generated during a CT scan can be reformatted in multiple planes, and can even generate three-dimensional images which can be viewed on a computer monitor, printed on film or transferred to electronic media. CT scanning is often the best method for detecting many different cancers since the i ...
Fluorodeoxyglucose Positron Emission Tomography in the
... the positron source, is intravenously administered and taken intracellular as a potential energy source by tumor cells in higher concentrations than most nonmalignant tissue and then is arrested in the second step of glucose metabolism because of the 2-deoxy modification to the glucose molecule. The ...
... the positron source, is intravenously administered and taken intracellular as a potential energy source by tumor cells in higher concentrations than most nonmalignant tissue and then is arrested in the second step of glucose metabolism because of the 2-deoxy modification to the glucose molecule. The ...
How CT scanners Work Imagine an upright doughnut. This
... small box called the x-ray tube. A banana shaped box lies in the 6 o’clock position called the CT detector. These two boxes spin relative to one another during each rotation whether clockwise or counterclockwise. This rotation creates a spiral pattern of images, hence the naming of the pictures as s ...
... small box called the x-ray tube. A banana shaped box lies in the 6 o’clock position called the CT detector. These two boxes spin relative to one another during each rotation whether clockwise or counterclockwise. This rotation creates a spiral pattern of images, hence the naming of the pictures as s ...
RADIOLOGY NYU Langone Radiology is
... NYU Langone Medical Center’s board certified radiologists and licensed technologists specialize in imaging and are involved in a variety of innovative collaborations and research initiatives. The Department consists of more than 100 sub-specialized academic radiologists, many of them acknowledged le ...
... NYU Langone Medical Center’s board certified radiologists and licensed technologists specialize in imaging and are involved in a variety of innovative collaborations and research initiatives. The Department consists of more than 100 sub-specialized academic radiologists, many of them acknowledged le ...
RADIOLOGY The Department of Radiology at
... of reports and images and allow physicians to view patient exam status, reports and images online from their office. In addition to our convenient hours, weekend, evening and often same-day appointments are available. Language interpretation services are available as needed. Our Areas of Specializat ...
... of reports and images and allow physicians to view patient exam status, reports and images online from their office. In addition to our convenient hours, weekend, evening and often same-day appointments are available. Language interpretation services are available as needed. Our Areas of Specializat ...
X-Rays - LSU School of Medicine
... electromagnetic radiation. Shorter wavelength, greater energy/greater the ability to penetrate matter • X-rays are described as packets of energy called Quanta or Photons • Photons travel at the speed of light • Photon energy measured in Electron ...
... electromagnetic radiation. Shorter wavelength, greater energy/greater the ability to penetrate matter • X-rays are described as packets of energy called Quanta or Photons • Photons travel at the speed of light • Photon energy measured in Electron ...
pet/ct request form - nhs
... ................................................Date of last cycle: ...
... ................................................Date of last cycle: ...
CT Protocol Selection in PET-CT Imaging
... prescribed for diagnostic assessment (with contrast enhancement or otherwise) typically requires higher techniques and imparts more radiation dose than the other two types of studies. If the CT scan is performed for anatomic localization of the PET image only, the acquisition technique can be reduce ...
... prescribed for diagnostic assessment (with contrast enhancement or otherwise) typically requires higher techniques and imparts more radiation dose than the other two types of studies. If the CT scan is performed for anatomic localization of the PET image only, the acquisition technique can be reduce ...
Advancements in molecular medicine
... Scanning All PET calibrations and measurements were done with the MRI ramped to 3T, shimmed and calibrated. Sensitivity was measured using 8.8 MBq of 18F-FDG in a 70 cm long line source placed inside five concentric aluminum sleeves. Coincidence rates were measured for 1 through 5 of the sleeves in ...
... Scanning All PET calibrations and measurements were done with the MRI ramped to 3T, shimmed and calibrated. Sensitivity was measured using 8.8 MBq of 18F-FDG in a 70 cm long line source placed inside five concentric aluminum sleeves. Coincidence rates were measured for 1 through 5 of the sleeves in ...
Print this article
... imaging that uses radionuclides/ radioisotopes and depends on the process of radioactive decay in the diagnosis and treatment of disease. It is a broad term that covers many imaging techniques with the common basis, since ionizing radiation originating within the body is detected and then imaged so ...
... imaging that uses radionuclides/ radioisotopes and depends on the process of radioactive decay in the diagnosis and treatment of disease. It is a broad term that covers many imaging techniques with the common basis, since ionizing radiation originating within the body is detected and then imaged so ...
CT Simulator
... • CT Simulation can improve target and normal tissue contouring and treatment planning • TG-66 report provides a very thorough QA process for CT simulation ...
... • CT Simulation can improve target and normal tissue contouring and treatment planning • TG-66 report provides a very thorough QA process for CT simulation ...
WCM CLC Citigroup Biomedical Imaging Center
... • PET can help physicians evaluate patients for coronary artery bypass or angioplasty procedures, diagnose psychiatric and neurological diseases, assess head trauma and movement disorders, and help diagnose and stage tumor malignancies. Instruments in the CBIC combine sophisticated computed t ...
... • PET can help physicians evaluate patients for coronary artery bypass or angioplasty procedures, diagnose psychiatric and neurological diseases, assess head trauma and movement disorders, and help diagnose and stage tumor malignancies. Instruments in the CBIC combine sophisticated computed t ...
Imaging Core Laboratory Standard Operating Procedure Image
... The patient must be counseled on the importance of continuing to drink fluids for several hours after the scan. This will increase urine flow rate, which will help to minimize the radiation dose to the bladder wall. ...
... The patient must be counseled on the importance of continuing to drink fluids for several hours after the scan. This will increase urine flow rate, which will help to minimize the radiation dose to the bladder wall. ...
Radiology Research Imagining Study Set Up Form
... Please complete and email this form along with the protocol related to the imaging scans to [email protected]. Contact Pat Smoll via email or at 987-2249 if you have any questions. ...
... Please complete and email this form along with the protocol related to the imaging scans to [email protected]. Contact Pat Smoll via email or at 987-2249 if you have any questions. ...
fan beam MVCT image quality
... Meeks SL, Harmon JF, Langen KM, Willoughby TR, Wagner TH, Kupelian PA. Performance characterization of megavoltage computed tomography imaging on a helical tomotherapy unit. Medical Physics, 2005; 32:8 : 2673-2681 ...
... Meeks SL, Harmon JF, Langen KM, Willoughby TR, Wagner TH, Kupelian PA. Performance characterization of megavoltage computed tomography imaging on a helical tomotherapy unit. Medical Physics, 2005; 32:8 : 2673-2681 ...
Positron emission tomography
Positron emission tomography (PET) is a nuclear medicine, functional imaging technique that produces a three-dimensional image of functional processes in the body. The system detects pairs of gamma rays emitted indirectly by a positron-emitting radionuclide (tracer), which is introduced into the body on a biologically active molecule. Three-dimensional images of tracer concentration within the body are then constructed by computer analysis. In modern PET-CT scanners, three dimensional imaging is often accomplished with the aid of a CT X-ray scan performed on the patient during the same session, in the same machine.If the biologically active molecule chosen for PET is fluorodeoxyglucose (FDG), an analogue of glucose, the concentrations of tracer imaged will indicate tissue metabolic activity as it corresponds to the regional glucose uptake. Use of this tracer to explore the possibility of cancer metastasis (i.e., spreading to other sites) is the most common type of PET scan in standard medical care (90% of current scans). However, on a minority basis, many other radioactive tracers are used in PET to image the tissue concentration of other types of molecules of interest. One of the disadvantages of PET scanners is their operating cost.