Related Experiment Video
Updated: Apr 29, 2026
08:30
X-ray Dose Reduction through Adaptive Exposure in Fluoroscopic Imaging
Published on: September 11, 2011
18.9K
Pediatric nuclear medicine and radiation dose
S Ted Treves1, Anthony E Falone2, Frederic H Fahey2
1Division of Nuclear Medicine and Molecular Imaging, Brigham and Women׳s Hospital, Harvard Medical School, Boston, MA; Division of Nuclear Medicine and Molecular Imaging, Boston Children׳s Hospital, Harvard Medical School, Boston, MA.
Seminars in Nuclear Medicine
|May 17, 2014
Summary
Nuclear medicine studies in children offer valuable diagnostic insights with low radiation exposure. Adhering to updated pediatric radiopharmaceutical standards minimizes radiation doses while preserving diagnostic accuracy.
Area of Science:
- Pediatric imaging
- Nuclear medicine
- Medical diagnostics
Background:
- Nuclear medicine is crucial for diagnosing pediatric diseases.
- Radiation exposure in children during these procedures is generally low.
- Past variations in administered radiopharmaceutical activities existed.
Purpose of the Study:
- To emphasize adherence to current pediatric radiopharmaceutical standards.
- To ensure minimal radiation exposure in pediatric patients.
- To maintain the diagnostic integrity of nuclear medicine studies in children.
Main Methods:
- Reviewing and applying recent standards for pediatric radiopharmaceutical administered doses.
- Optimizing routine nuclear medicine protocols for pediatric imaging.
- Utilizing advanced image processing techniques.
- Exploring the potential of advanced imaging systems.
Main Results:
- Adherence to standards helps ensure the lowest effective administered activities.
- Diagnostic value of pediatric nuclear medicine studies is preserved.
- Further reductions in radiation exposure are achievable through protocol optimization and advanced technologies.
Conclusions:
- Current standards effectively manage radiopharmaceutical doses in pediatric nuclear medicine.
- Optimizing protocols and employing advanced technologies can further reduce radiation exposure.
- Nuclear medicine remains a safe and valuable diagnostic tool for children.
Related Concept Videos
01:29Drug Dosing: Infants and Children
1.0K
Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
1.0K
01:26Pharmacokinetics in Pediatric Patients: Drug Excretion
405
In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...
405
01:13Radiological Investigation III: Pulmonary Angiogram and PET Scan
720
Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
720
01:17Pharmacokinetics in Pediatric Patients: Drug Distribution
552
Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight,...
552
01:24Pharmacokinetics in Pediatric Patients: Drug Metabolism
409
In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses...
409
02:59Biological Effects of Radiation
15.4K
All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...
15.4K