Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3928758 | PMC |
| http://dx.doi.org/10.4103/0972-3919.125783 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Detection and correction of translational motion in SPECT with exponential data consistency conditions.
Phys Med Biol
January 2025
Université de Lyon, CREATIS ; CNRS UMR5220 ; Inserm U1206 ; INSA-Lyon ; Université Lyon 1, CREATIS, Centre Léon Bérard, Lyon, 69373, FRANCE.
Rigid patient motion can cause artifacts in single photon emission computed tomography (SPECT) images, compromising the diagnosis and treatment planning. Exponential data consistency conditions (eDCCs) are mathematical equations describing the redundancy of exponential SPECT measurements. It has been recently shown that eDCCs can be used to detect patient motion in SPECT projections.
View Article and Find Full Text PDFCerebral glucose metabolic correlates of cognitive and behavioural impairments in amyotrophic lateral sclerosis.
J Neurol
August 2024
Deutsches Zentrum für Neurodegenerative Erkrankungen (DZNE), Rostock-Greifswald, Rostock, Germany.
Objective: Half of ALS patients are cognitively and/or behaviourally impaired. As cognition/behaviour and cerebral glucose metabolism can be correlated by means of F-Fluorodeoxyglucose positron emission tomography (FDG-PET), we aimed to utilise FDG-PET, first, to replicate group-level differences in glucose metabolism between non-demented ALS patients separated into non-impaired (ALSni), cognitively impaired (ALSci), behaviourally impaired (ALSbi), and cognitively and behaviourally impaired (ALScbi) groups; second, to investigate glucose metabolism and performance in various cognitive domains; and third, to examine the impact of partial volume effects correction (PVEC) of the FDG-PET data on the results.
Methods: We analysed neuropsychological, clinical, and imaging data from 67 ALS patients (30 ALSni, 21 ALSci, 5 ALSbi, and 11 ALScbi).
Evaluation of Motion Artifact Correction Technique for Cone-Beam Computed Tomography Image Considering Blood Vessel Geometry.
J Clin Med
April 2024
Department of Radiology, College of Medicine, Ewha Womans University, Seoul 03760, Republic of Korea.
In this study, we present a quantitative method to evaluate the motion artifact correction (MAC) technique through the morphological analysis of blood vessels in the images before and after MAC. Cone-beam computed tomography (CBCT) scans of 37 patients who underwent transcatheter chemoembolization were obtained, and images were reconstructed with and without the MAC technique. First, two interventional radiologists selected the blood vessels corrected by MAC.
View Article and Find Full Text PDFWhat do brain endocasts tell us? A comparative analysis of the accuracy of sulcal identification by experts and perspectives in palaeoanthropology.
J Anat
February 2024
Département Homme et Environnement, UMR 7194, CNRS, PaleoFED Team, Muséum national d'Histoire naturelle, Paris, France.
Article Synopsis
- * The study involved 14 experts assessing an MRI-derived endocast of a human brain to evaluate how accurately they could identify specific brain folds (sulci) based on their expertise.
- * Findings revealed significant discrepancies in experts' identifications; accuracy varied with the position on the endocast and highlighted the need to account for variations in sulcal shape when analyzing fossil specimens, which could impact interpretations in palaeoanthropology.
CT attenuation correction improves quantitative risk prediction by cardiac SPECT in obese patients.
Eur J Nucl Med Mol Imaging
February 2024
Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, Dana 3, P.O. Box 208017, New Haven, CT, 06520, USA.
Purpose: This study aimed to compare the predictive value of CT attenuation-corrected stress total perfusion deficit (AC-sTPD) and non-corrected stress TPD (NC-sTPD) for major adverse cardiac events (MACE) in obese patients undergoing cadmium zinc telluride (CZT) SPECT myocardial perfusion imaging (MPI).
Methods: The study included 4,585 patients who underwent CZT SPECT/CT MPI for clinical indications (chest pain: 56%, shortness of breath: 13%, other: 32%) at Yale New Haven Hospital (age: 64 ± 12 years, 45% female, body mass index [BMI]: 30.0 ± 6.
Want AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!