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Open AccessJournal ArticleDOI

MIRD Pamphlet No. 24: Guidelines for Quantitative 131I SPECT in Dosimetry Applications

TLDR
The purpose of this document is to provide guidance on the development of protocols for quantitative 131I SPECT in radionuclide therapy applications that require regional (normal organs, lesions) and 3-dimensional dosimetry.
Abstract
The reliability of radiation dose estimates in internal radionuclide therapy is directly related to the accuracy of activity estimates obtained at each imaging time point. The recently published MIRD pamphlet no. 23 provided a general overview of quantitative SPECT imaging for dosimetry. The present document is the first in a series of isotope-specific guidelines that will follow MIRD 23 and focuses on one of the most commonly used therapeutic radionuclides, 131I. The purpose of this document is to provide guidance on the development of protocols for quantitative 131I SPECT in radionuclide therapy applications that require regional (normal organs, lesions) and 3-dimensional dosimetry.

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Citations
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The joint IAEA, EANM, and SNMMI practical guidance on peptide receptor radionuclide therapy (PRRNT) in neuroendocrine tumours

TL;DR: This guidance covers the rationale, indications and contraindications for PRRNT, assessment of treatment response and patient follow-up, and is aimed at guiding nuclear medicine specialists in selecting likely candidates to receive PRR NT and to deliver the treatment in a safe and effective manner.
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Initial Evaluation of [18F]DCFPyL for Prostate-Specific Membrane Antigen (PSMA)-Targeted PET Imaging of Prostate Cancer

TL;DR: Initial safety, biodistribution, and radiation dosimetry results with [18F]DCFPyL, a second-generation fluorine-18-labeled small-molecule PSMA inhibitor, in patients with prostate cancer are presented and its accumulation is high in presumed primary and metastatic foci.
Journal ArticleDOI

An Evidence-Based Review of Quantitative SPECT Imaging and Potential Clinical Applications

TL;DR: SPECT continues to suffer from poorer photon detection efficiency and spatial resolution than PET; however, it has the benefit in some situations of longer radionuclide half-lives, which may better suit the biologic process under examination, as well as the ability to perform multitracer studies using pulse height spectroscopy to separate different radiolabels.
Journal ArticleDOI

MIRD Pamphlet No. 23: Quantitative SPECT for Patient-Specific 3-Dimensional Dosimetry in Internal Radionuclide Therapy

TL;DR: An overview of 3-dimensional SPECT methods and requirements for internal dosimetry at both regional and voxel levels is presented, and Combined SPECT/CT image-based methods are emphasized, because the CT-derived anatomic information allows one to address multiple technical factors that affect SPECT quantification while facilitating the patient-specific voxels-level dosimetric calculation itself.
Journal ArticleDOI

Radiopharmaceutical therapy in cancer: clinical advances and challenges.

TL;DR: An overview of the fundamental properties of radiopharmaceutical therapy is provided, agents in use and in clinical development are discussed and the associated translational challenges are highlighted.
References
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Journal ArticleDOI

A Monte Carlo program for the simulation of scintillation camera characteristics

TL;DR: The usefulness of the Monte Carlo code for the accurately simulation of important parameters in scintillation camera systems, stationary as well as SPECT (single-photon emission computed tomography) systems, has been demonstrated.
Journal ArticleDOI

MIRD Pamphlet No. 23: Quantitative SPECT for Patient-Specific 3-Dimensional Dosimetry in Internal Radionuclide Therapy

TL;DR: An overview of 3-dimensional SPECT methods and requirements for internal dosimetry at both regional and voxel levels is presented, and Combined SPECT/CT image-based methods are emphasized, because the CT-derived anatomic information allows one to address multiple technical factors that affect SPECT quantification while facilitating the patient-specific voxels-level dosimetric calculation itself.
Journal ArticleDOI

Quantitative Accuracy of Clinical 99mTc SPECT/CT Using Ordered-Subset Expectation Maximization with 3-Dimensional Resolution Recovery, Attenuation, and Scatter Correction

TL;DR: Current commercially available SPECT/CT technology using OSEM-3D reconstruction, scatter correction, and CT-based attenuation correction allows quantification of 99mTc radioactivity concentration in absolute terms within 3.6% in phantoms and 1.1% in patients with a focus on the bladder.
Journal Article

Quantitative SPECT imaging: A review and recommendations by the focus committee of the society of nuclear medicine Computer and Instrumentation Council

TL;DR: The physics principles, instrumentation and reconstruction methods behind SPECT imaging are reviewed, with particular attention paid to the mechanisms that can significantly affect the accuracy of a SPECT image.
Journal ArticleDOI

Accuracy of quantitative reconstructions in SPECT/CT imaging

TL;DR: The goal of this study was to determine the quantitative accuracy of the OSEM-APDI reconstruction method based on SPECT/CT imaging for Tc-99m, In-111, I-123, and I-131 isotopes.
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