Results 71 to 80 of about 1,238 (180)

Development Of An Automatic Calculation Method For Ct Dose Estimation Based On Individual Specific Size In Paediatric Population [PDF]

, 2022
The current dose estimation based on CTDIvol in paediatric CT leads to significant inaccuracies in dose estimation due to inadequate size consideration.
Abdulkadir, Muhammad Kabir
core   +1 more source

An Age-Based Size-Specific Dose Estimate for Pediatric Computed Tomography Head Examinations Performed at Songklanagarind Hospital, Thailand, from 2017 to 2019

Applied Sciences
Computed tomography (CT) is the primary source of diagnostic radiation in pediatric patients. Patient head size and tissue attenuation are critical factors for estimating CT radiation doses.
Saowapark Poosiri, Kanokkwan Chuboonlap, Nuttita Kaewlaied   +2 more
doaj   +1 more source

Evaluation of a super‐resolution deep learning reconstruction algorithm in abdominal CT imaging—A qualitative and quantitative performance analysis

Journal of Applied Clinical Medical Physics, Volume 27, Issue 5, May 2026.
Abstract Background A super‐resolution deep learning (DL) image reconstruction algorithm (Precise Image Quality Engine (PIQE)) was originally designed for cardiac CT, but is now available for abdominal CT. Purpose To examine objective and subjective image quality (IQ) improvements PIQE compared to Advanced Intelligent Clear‐IQ Engine (AiCE) in ...
Aria M. Salyapongse, Martin G. Wagner, Meghan G. Lubner, Kelsey L. Schluter, Matthew R. Smith, Michio D. Taya, Andrew L. Wentland, Timothy P. Szczykutowicz, Giuseppe V. Toia   +8 more
wiley   +1 more source

Alterations in corneal epithelial dendritic cell in Sjogren’s syndrome dry eye and clinical correlations

Scientific Reports, 2022
We aimed to investigate the density and morphology of corneal dendritic cells (DCs) in dry eye (DE) patients with or without Sjogren’s syndrome (SS). This study included 28 patients with Sjogren’s syndrome dry eye (SSDE), 33 patients with non-Sjogren’s ...
Ran Hao, Yi Ding, Xuemin Li
doaj   +1 more source

Accurate iodine quantification and residual error reduction with principal component analysis multimaterial decomposition using spectral CT

Medical Physics, Volume 53, Issue 4, April 2026.
Abstract Background Multimaterial decomposition (MMD) in dual‐energy CT enables iodine quantification, critical for diagnostic applications. However, residual errors from noniodine materials in iodine maps limit accuracy, especially in complex thoracic regions and low‐dose settings.
Hamidreza Khodajou‐Chokami, Huanjun Ding, Sabee Molloi   +2 more
wiley   +1 more source

Difference between volume Computed Tomography Dose Index (CTDIvol) and Size Specific Dose Estimates (SSDE) in abdomen- and thorax protocols in patients of different sizes in different CT scanners. [PDF]

, 2021
Background: Volume Computed Tomography Dose Index (CTDIvol) only provides information about the radiation dose delivered by a CT scanner. The Size Specific Dose Estimate (SSDE) introduced by the American Association of Physicists in Medicine (AAPM) takes
Birnisdóttir, Hugrún Pála
core   +2 more sources

A Segmentation-based Automated Calculation of Patient Size and Size-specific Dose Estimates in Pediatric Computed Tomography Scans

Journal of Medical Physics
Background and Purpose: Size-specific dose estimates (SSDE) have been introduced into computed tomography (CT) dosimetry to tailor patients’ unique sizes to facilitate accurate CT radiation dose quantification and optimization.
Muhammad Kabir Abdulkadir, Noor Diyana Osman, Anusha Achuthan, Radin A. Nasirudin, Muhammad Zabidi Ahmad, Noor Hasyima Mat Zain, Ibrahim Lutfi Shuaib   +6 more
doaj   +1 more source

A Spectral‐Spatial Dual Encoder With Bio‐Inspired Swarm Adaptation for Cognitive Spectrum Sensing Using Real‐World RF Signal Data

IET Communications, Volume 20, Issue 1, January/December 2026.
The proposed model includes a dual‐stream deep learning architecture which has a 1D convolutional neural network (CNN)‐based spectral encoder and a graph convolutional network (GCN)‐based spatial encoder for extracting the frequency‐domain and node‐topology features. Experimental analysis of the proposed model is performed using the Real‐World Wireless
P. Ramakrishnan, C. Kumar, R. Saravana Kumar, Sourav Barua   +3 more
wiley   +1 more source

DETERMINATION OF LOCAL DIAGNOSTIC REFERENCE LEVEL (LDL) PEDIATRIC PATIENTS ON CT HEAD EXAMINATION BASED ON SIZE-SPECIFIC DOSE ESTIMATES (SSDE) VALUES

Journal of Vocational Health Studies, 2019
Background: CT Scan provides the biggest contribution in receiving radiation doses in patients. Especially in pediatric patients or children. Local DRL (Diagnostic Reference Level) is an effort to optimize radiation for patients in every health facility.
Risalatul Latifah, Naily Z. Jannah, Dezy Z.I Nurdin, Budi P   +3 more
doaj   +1 more source

Metastatic Pancreatic Adenocarcinoma With Intraepithelial Spread to the Uterine Tube: A Diagnostic Challenge Simulating Serous Tubal Intraepithelial Carcinoma (STIC)

Case Reports in Pathology, Volume 2026, Issue 1, 2026.
We present the case of a 55‐year‐old asymptomatic woman in whom a left adnexal mass was incidentally discovered during a routine ultrasound examination. PET/CT imaging revealed a hypermetabolic left abdominopelvic mass measuring 25 cm in diameter and a 3‐cm lesion located in the pancreatic tail.
Javier A. Baena-Del Valle, Luis E. Quiroga-Hernández, Suraiya Saleem, Natalia A. Hurtado-Buendía, Catalina Buriticá-Cifuentes, Marcela Mejía-Arango, Daniel E. Sanabria-Serrano   +6 more
wiley   +1 more source