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Impact of intravenous CT contrast agents on internal calibration techniques to determine trabecular BMD of the lumbar spine.
Eur J Radiol
January 2025
Department of Medicine 3, Friedrich-Alexander-University Erlangen-Nürnberg and Universitätsklinikum Erlangen, Erlangen, Germany; Institute of Medical Physics, Friedrich-Alexander-University Erlangen-Nürnberg, Erlangen, Germany. Electronic address:
Objectives: Contrast agents are frequently administered in computed tomography (CT) scans used for opportunistic screening of osteoporosis. The objective of this study is to compare the impact of contrast-related bone mineral density (BMD) increase between phantom-based and internal CT calibration techniques.
Materials And Methods: Phantom-based and internal CT calibration techniques were used to determine trabecular BMD in 93 existing clinical CT scans of the lumbar spine of 34 subjects, scanned before and after administration of contrast agents.
Retrospective evaluation of a novel ultrasound-based imaging analysis software for predicting radiofrequency ablation areas.
PLoS One
January 2025
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.
Objective: This study aimed to introduce and evaluate a novel software-based system, BioTrace, designed for real-time monitoring of thermal ablation tissue damage during image-guided radiofrequency ablation for hepatocellular carcinoma (HCC).
Methods: BioTrace utilizes a proprietary algorithm to analyze the temporo-spatial behavior of thermal gas bubble activity during ablation, as seen in conventional B-mode ultrasound imaging. Its predictive accuracy was assessed by comparing the ablation zones it predicted with those annotated by radiologists using contrast-enhanced computed tomography (CECT) 24 hours post-treatment, considered the gold standard.
Clinical utility of quantitative ultrasonography parameters combined with serum cancer antigen 15‑3, human epidermal growth factor receptor 2 and soluble E‑cadherin in diagnosing mass‑type breast cancer.
Oncol Lett
March 2025
Department of Imaging, The Affiliated Hospital of Beihua University, Jilin, Jilin 132011, P.R. China.
Contrast-enhanced ultrasonography (CEUS), a newly developed imaging technique, holds certain value in differentiating benign from malignant tumors. Additionally, serum tumor markers also exhibit significant clinical importance in the diagnosis and monitoring of malignant tumors. Reports have indicated abnormal expression of HER-2, CA153 and sE-cad in breast cancer.
View Article and Find Full Text PDFUltrasound combined with contrast‑enhanced ultrasound in the diagnosis of primary squamous cell carcinoma of the thyroid: A case report and literature review.
Oncol Lett
March 2025
Department of Ultrasound, Affiliated Hospital of Guangdong Medical University, Zhanjiang, Guangdong 524002, P.R. China.
Primary squamous cell carcinoma of the thyroid (PSCCT) is a rare malignancy with a poor prognosis. Therefore, early diagnosis and treatment are critical to the survival of patients and to improve their quality of life. However, diagnosing this illness is challenging.
View Article and Find Full Text PDFIncarcerated Left Paraduodenal Hernia as a Rare Cause of Acute Abdomen: A Case Report and Literature Review.
Cureus
December 2024
General Surgery, Grant Medical College and Sir JJ Group of Hospitals, Mumbai, IND.
Internal hernias are one of the rare causes of intestinal obstruction and usually is the diagnosis of exclusion. Para-duodenal hernias (PDH) are rare congenital disorders that occur due to malrotation of the midgut in the embryonic phase of development. They can be asymptomatic or can present as an incarcerated, strangulated, or even obstructed internal hernia.
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