AIMC Topic: Single Photon Emission Computed Tomography Computed Tomography

Clear Filters Showing 1 to 10 of 22 articles

Accuracy of deep learning-based attenuation correction in Tc-GSA SPECT/CT hepatic imaging.

Radiography (London, England : 1995) Nov 15, 2024
INTRODUCTION: Attenuation correction (AC) is necessary for accurate assessment of radioactive distribution in single photon emission computed tomography (SPECT). The method of computed tomography-based AC (CTAC) is widely used because of its accuracy...
Male Middle Aged Deep Learning Image Processing, Computer-Assisted Humans Female Aged Adult Single Photon Emission Computed Tomography Computed Tomography Technetium Tc 99m Pentetate Technetium Tc 99m Aggregated Albumin Liver Radiopharmaceuticals Tomography, Emission-Computed, Single-Photon
View on PubMed DOI

Investigation of scatter energy window width and count levels for deep learning-based attenuation map estimation in cardiac SPECT/CT imaging.

Physics in medicine and biology Nov 11, 2024
Deep learning (DL) is becoming increasingly important in generating attenuation maps for accurate attenuation correction (AC) in cardiac perfusion SPECT imaging. Typically, DL models take inputs from initial reconstructed SPECT images, which are perf...
Deep Learning Image Processing, Computer-Assisted Heart Scattering, Radiation Humans Single Photon Emission Computed Tomography Computed Tomography
View on PubMed DOI

Machine learning-derived clinical decision algorithm for the diagnosis of hyperfunctioning parathyroid glands in patients with primary hyperparathyroidism.

European radiology Oct 30, 2024
PURPOSE: To train and validate machine learning-derived clinical decision algorithm (CDA) for the diagnosis of hyperfunctioning parathyroid glands using preoperative variables to facilitate surgical planning.
Aged Adult Sensitivity and Specificity Male Retrospective Studies Clinical Decision-Making Female Parathyroid Glands Humans Single Photon Emission Computed Tomography Computed Tomography Machine Learning Four-Dimensional Computed Tomography Algorithms Technetium Tc 99m Sestamibi Middle Aged Radiopharmaceuticals Parathyroidectomy Hyperparathyroidism, Primary
View on PubMed DOI

Deep Learning-Enabled Quantification of Tc-Pyrophosphate SPECT/CT for Cardiac Amyloidosis.

Journal of nuclear medicine : official publication, Society of Nuclear Medicine Jul 1, 2024
Transthyretin cardiac amyloidosis (ATTR CA) is increasingly recognized as a cause of heart failure in older patients, with Tc-pyrophosphate imaging frequently used to establish the diagnosis. Visual interpretation of SPECT images is the gold standard...
Cardiomyopathies Single Photon Emission Computed Tomography Computed Tomography Amyloid Neuropathies, Familial Technetium Tc 99m Pyrophosphate Deep Learning Image Processing, Computer-Assisted Amyloidosis Humans Female Aged Aged, 80 and over Male Middle Aged
View on PubMed DOI

A Deep-Learning-Based Partial-Volume Correction Method for Quantitative Lu SPECT/CT Imaging.

Journal of nuclear medicine : official publication, Society of Nuclear Medicine Jun 3, 2024
With the development of new radiopharmaceutical therapies, quantitative SPECT/CT has progressively emerged as a crucial tool for dosimetry. One major obstacle of SPECT is its poor resolution, which results in blurring of the activity distribution. Es...
Lutetium Monte Carlo Method Radioisotopes Phantoms, Imaging Single Photon Emission Computed Tomography Computed Tomography Humans Deep Learning Image Processing, Computer-Assisted
View on PubMed DOI

Enhancing voxel-based dosimetry accuracy with an unsupervised deep learning approach for hybrid medical image registration.

Medical physics May 21, 2024
BACKGROUND: Deformable registration is required to generate a time-integrated activity (TIA) map which is essential for voxel-based dosimetry. The conventional iterative registration algorithm using anatomical images (e.g., computed tomography (CT)) ...
Humans Deep Learning Image Processing, Computer-Assisted Unsupervised Machine Learning Radiometry Single Photon Emission Computed Tomography Computed Tomography
View on PubMed DOI

Artificial Intelligence Predicts Hospitalization for Acute Heart Failure Exacerbation in Patients Undergoing Myocardial Perfusion Imaging.

Journal of nuclear medicine : official publication, Society of Nuclear Medicine May 1, 2024
Heart failure (HF) is a leading cause of morbidity and mortality in the United States and worldwide, with a high associated economic burden. This study aimed to assess whether artificial intelligence models incorporating clinical, stress test, and im...
Male Middle Aged Disease Progression Cohort Studies Artificial Intelligence Humans Acute Disease Female Hospitalization Heart Failure Aged Myocardial Perfusion Imaging Single Photon Emission Computed Tomography Computed Tomography
View on PubMed DOI

Fast SPECT/CT planar bone imaging enabled by deep learning enhancement.

Medical physics Apr 23, 2024
BACKGROUND: The application of deep learning methods in rapid bone scintigraphy is increasingly promising for minimizing the duration of SPECT examinations. Recent works showed several deep learning models based on simulated data for the synthesis of...
Image Processing, Computer-Assisted Bone and Bones Single Photon Emission Computed Tomography Computed Tomography Humans Male Deep Learning Time Factors
View on PubMed DOI

AI-Defined Cardiac Anatomy Improves Risk Stratification of Hybrid Perfusion Imaging.

JACC. Cardiovascular imaging Mar 6, 2024
BACKGROUND: Computed tomography attenuation correction (CTAC) improves perfusion quantification of hybrid myocardial perfusion imaging by correcting for attenuation artifacts. Artificial intelligence (AI) can automatically measure coronary artery cal...
Aged Humans Coronary Artery Disease Coronary Circulation Male Artificial Intelligence Coronary Vessels Myocardial Perfusion Imaging Time Factors Prognosis Vascular Calcification Middle Aged Single Photon Emission Computed Tomography Computed Tomography Predictive Value of Tests Retrospective Studies Computed Tomography Angiography Risk Assessment Coronary Angiography Radiographic Image Interpretation, Computer-Assisted Female Reproducibility of Results Risk Factors
View on PubMed DOI

Deep learning approach for automated segmentation of myocardium using bone scintigraphy single-photon emission computed tomography/computed tomography in patients with suspected cardiac amyloidosis.

Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology Feb 1, 2024
BACKGROUND: We employed deep learning to automatically detect myocardial bone-seeking uptake as a marker of transthyretin cardiac amyloid cardiomyopathy (ATTR-CM) in patients undergoing 99mTc-pyrophosphate (PYP) or hydroxydiphosphonate (HDP) single-p...
Single Photon Emission Computed Tomography Computed Tomography Amyloid Neuropathies, Familial Technetium Tc 99m Pyrophosphate Myocardium Humans Female Deep Learning Prealbumin Radionuclide Imaging Cardiomyopathies
View on PubMed DOI
Popular Topics
Recent Journals