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Related Concept Videos

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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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Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
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Positron Emission Tomography01:29

Positron Emission Tomography

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.
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X-ray Imaging01:24

X-ray Imaging

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Updated: May 27, 2026

Scanning Skeletal Remains for Bone Mineral Density in Forensic Contexts
07:56

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Published on: January 29, 2018

The bone scan.

Arnold I Brenner1, June Koshy, Jose Morey

  • 1Staten Island University Hospital, Staten Island, NY 10305, USA. abrenner@siuh.edu

Seminars in Nuclear Medicine
|November 29, 2011
PubMed
Summary
This summary is machine-generated.

Bone imaging using technetium (99m-Tc) diphosphonates is a sensitive, low-cost nuclear procedure. New modalities like PET/CT and SPECT/CT enhance diagnosis, but planar imaging remains valuable for many bone conditions.

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Area of Science:

  • Nuclear Medicine
  • Radiology
  • Oncology

Background:

  • Bone imaging is a high-volume nuclear procedure valued for its sensitivity, low cost, and whole-body assessment.
  • Technetium (99m-Tc) diphosphonates leverage physiological uptake for diagnosing bone conditions.
  • Traditional planar bone imaging has proven diagnostic utility for benign and malignant bone diseases.

Purpose of the Study:

  • To review current indications for planar bone imaging.
  • To highlight scenarios where planar imaging is sufficient, and when SPECT may enhance diagnosis.
  • To discuss the role of emerging imaging modalities in bone disease evaluation.

Main Methods:

  • Review of current indications for planar bone imaging.
  • Discussion of complementary roles of SPECT, PET, CT, and MRI.
  • Emphasis on dose reduction and integrated image interpretation.

Main Results:

  • Planar bone imaging remains diagnostically sufficient for many indications.
  • SPECT, PET/CT, and other advanced modalities can enhance diagnostic accuracy.
  • (18)F sodium fluoride PET is re-emerging as a bone imaging agent.

Conclusions:

  • Bone imaging, particularly with 99m-Tc diphosphonates, is a cornerstone in evaluating bone pathology.
  • Advanced imaging techniques like SPECT/CT and PET/CT offer complementary diagnostic information.
  • Optimizing imaging protocols, including dose reduction and multidisciplinary interpretation, improves patient care.