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Related Concept Videos

Imaging Studies II: Positron Emission Tomography and Scintigraphy01:25

Imaging Studies II: Positron Emission Tomography and Scintigraphy

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.
Fundamental Principles of PET
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.
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 being...

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Related Experiment Video

Updated: May 13, 2026

PET and MRI Guided Irradiation of a Glioblastoma Rat Model Using a Micro-irradiator
10:48

PET and MRI Guided Irradiation of a Glioblastoma Rat Model Using a Micro-irradiator

Published on: December 28, 2017

PET/CT imaging in neuroblastoma.

A Piccardo1, E Lopci, M Conte

  • 1Nuclear Medicine Unit, Galliera Hospital, Genoa, Italy. arnoldo.piccardo@galliera.it

The Quarterly Journal of Nuclear Medicine and Molecular Imaging : Official Publication of the Italian Association of Nuclear Medicine (AIMN) [And] the International Association of Radiopharmacology (IAR), [And] Section of the Society Of
|March 12, 2013
PubMed
Summary
This summary is machine-generated.

123Iodine-metaiodobenzylguanidine (123I-MIBG) scintigraphy is a key diagnostic tool for neuroblastoma (NB), offering high accuracy and prognostic value. Positron emission tomography/computed tomography (PET/CT) presents a promising alternative with technical advantages for NB imaging.

Related Experiment Videos

Last Updated: May 13, 2026

PET and MRI Guided Irradiation of a Glioblastoma Rat Model Using a Micro-irradiator
10:48

PET and MRI Guided Irradiation of a Glioblastoma Rat Model Using a Micro-irradiator

Published on: December 28, 2017

Area of Science:

  • Nuclear medicine
  • Oncology
  • Pediatric imaging

Background:

  • 123Iodine-metaiodobenzylguanidine (123I-MIBG) scintigraphy is the standard for neuroblastoma (NB) diagnosis and prognosis.
  • It also guides 131I-MIBG radionuclide therapy but has limitations and potential for false negatives.
  • Understanding normal 123I-MIBG distribution and correlating with other imaging is crucial.

Purpose of the Study:

  • To review the current role of PET/CT imaging in neuroblastoma (NB).
  • To analyze the efficacy of various PET tracers in NB patients.
  • To compare PET/CT with 123I-MIBG scintigraphy in NB diagnosis.

Main Methods:

  • Review of existing literature on PET/CT and 123I-MIBG scintigraphy in neuroblastoma (NB).
  • Analysis of diagnostic accuracy and prognostic value of different imaging modalities.
  • Comparison of technical superiorities and limitations of PET/CT versus 123I-MIBG.

Main Results:

  • 123I-MIBG scintigraphy demonstrates high accuracy and prognostic value in NB assessment.
  • False negative 123I-MIBG results require careful consideration and correlation with other diagnostics.
  • PET/CT offers technical advantages and has shown efficacy in NB imaging, with various tracers available.

Conclusions:

  • PET/CT is a valuable addition to the diagnostic workup of neuroblastoma (NB).
  • Further research comparing PET/CT tracers and their role alongside 123I-MIBG is warranted.
  • Optimizing NB imaging requires understanding the strengths and weaknesses of both 123I-MIBG and PET/CT.