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Related Concept Videos

Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

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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...
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Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
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Radiological Investigation I: X-ray and CT01:30

Radiological Investigation I: X-ray and CT

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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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Positron Emission Tomography01:29

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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
One of the main requirements of a PET scan is a positron-emitting radioisotope, which is produced in a cyclotron and then attached to a substance used by the part of the body...
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Updated: Jul 7, 2025

A Whole Body Dosimetry Protocol for Peptide-Receptor Radionuclide Therapy PRRT: 2D Planar Image and Hybrid 2D+3D SPECT/CT Image Methods
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ACR-ACNM-ARS-ASTRO-SNMMI Practice Parameter for the Performance of Therapy With Radiopharmaceuticals.

Paul E Wallner1, Don C Yoo2, Jeremie Calais3

  • 1GenesisCare, Greenbelt.

American Journal of Clinical Oncology
|December 22, 2023
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This practice parameter provides guidance for physicians using radiopharmaceuticals in therapy. It covers essential aspects of radiopharmaceutical administration, safety, and patient care for optimal outcomes.

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Area of Science:

  • Radiological Sciences
  • Nuclear Medicine
  • Radiation Oncology

Background:

  • Revised practice parameter for therapeutic radiopharmaceutical use.
  • Developed by leading professional organizations including the ACR and SNMMI.
  • Resource for physicians performing procedures with unsealed radioactive sources.

Framework:

  • Guidance on the roles of physicians, medical physicists, and specialized personnel.
  • Defines therapeutic radiopharmaceuticals, including radionuclides and targeted agents.
  • Covers general principles and indications for various radiopharmaceutical therapies.

Implementation:

  • Addresses clinical scenarios, available agents, and team qualifications.
  • Details consultation, documentation, and post-therapy follow-up requirements.
  • Emphasizes radiation safety, quality control, infection control, and patient education.

Implications:

  • Ensures optimal patient care and safety in radiopharmaceutical therapy.
  • Provides a comprehensive framework for the safe and effective use of therapeutic radiopharmaceuticals.
  • Supports adherence to regulatory requirements for authorized users.