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Development of respiratory motion-resolved hepatobiliary phase cine-magnetic resonance imaging for stereotactic body radiotherapy in liver tumor.
Sci Rep
December 2024
Department of Radiology, Kobe University Graduate School of Medicine, Kobe, Japan.
Cine-magnetic resonance imaging (MRI) has been used to track respiratory-induced motion of the liver and tumor and assist in the accurate delineation of tumor volume. Recent developments in compressed sensitivity encoding (SENSE; CS) have accelerated temporal resolution while maintaining contrast resolution. This study aimed to develop and assess hepatobiliary phase (HBP) cine-MRI scans using CS.
View Article and Find Full Text PDFLow functional liver imaging score is associated with poor prognosis following hepatectomy for hepatocellular carcinoma.
Sci Rep
December 2024
Department of General Surgery, Graduate School of Medicine, Chiba University, 1-8-1 Inohana, Chuo-ku, Chiba, 260-8670, Japan.
Liver function affects the prognosis of patients with hepatocellular carcinoma (HCC). This study aimed to investigate the prognostic impact of the functional liver imaging score (FLIS), assessed using gadoxetic acid-enhanced magnetic resonance imaging, on long-term outcomes following hepatectomy for HCC. The FLIS was assessed in 235 patients who underwent initial hepatectomy for HCC.
View Article and Find Full Text PDFA case of uveoscleral mucosa-associated lymphoid tissue lymphoma with secondary angle-closure glaucoma.
BMC Ophthalmol
December 2024
Department of Ophthalmology, Faculty of Medicine, Graduate School of Medicine, Hokkaido University, N-15, W-7, Kita-ku, Sapporo, 060-8638, Japan.
Background/aim: Mucosa-associated lymphoid tissue (MALT) lymphomas occur in not only the ocular adnexa, but rarely in the sclera or uvea. Histopathological confirmation contributes to a better understanding of the pathogenesis and treatment. We report a case of uveoscleral MALT lymphoma with angle-closure glaucoma.
View Article and Find Full Text PDFZinc Sensing with Pyridine-Based Lanthanide Contrast Agent: Structural Analysis in Aqueous Solution.
Chemistry
December 2024
CNRS, Centre de Biophysique Moléculaire, Rue Charles Sadron, 45071, Orléans, FRANCE.
Zinc is an important physiological cation, and its misregulation is implicated in various diseases. It is therefore important to be able to image zinc by non-invasive methods such as Magnetic Resonance Imaging (MRI). In this work, we have successfully synthesized a novel Gd3+-based complex specifically for Zn2+ sensing by MRI.
View Article and Find Full Text PDFPediatric Neuroimaging of Multiple Sclerosis and Neuroinflammatory Diseases.
Tomography
December 2024
Department of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA.
Using a pediatric-focused lens, this review article briefly summarizes the presentation of several demyelinating and neuroinflammatory diseases using conventional magnetic resonance imaging (MRI) sequences, such as T1-weighted with and without an exogenous gadolinium-based contrast agent, T2-weighted, and fluid-attenuated inversion recovery (FLAIR). These conventional sequences exploit the intrinsic properties of tissue to provide a distinct signal contrast that is useful for evaluating disease features and monitoring treatment responses in patients by characterizing lesion involvement in the central nervous system and tracking temporal features with blood-brain barrier disruption. Illustrative examples are presented for pediatric-onset multiple sclerosis and neuroinflammatory diseases.
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