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Preoperative diagnosis of primary ovarian lymphoma: a case report and a decade of insights.
Front Oncol
December 2024
Department of Radiology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China.
Through a comprehensive retrospective analysis of a 52-year-old woman with primary ovarian lymphoma (POL) and a review of similar cases over the past decade in the PubMed database, we gained several key insights into improving the understanding of POL among clinicians and radiologists for accurate diagnosis. POL is more prevalent among women in their 40s and usually presents with clinical manifestations of a solid mass (typically over 10 cm) and abdominal pain with B symptoms. Four imaging features show promise as indicators of potential diagnostic value in POL: the ovarian retention sign, touching ovaries, vascular floatation, and the sandwich sign.
View Article and Find Full Text PDFHandedness manipulation of propagating antiferromagnetic magnons.
Nat Commun
November 2024
Institute for Chemical Research, Kyoto University, Uji, Kyoto, 611-0011, Japan.
Antiferromagnetic magnons possess a distinctive feature absent in their ferromagnetic counterparts: the presence of two distinct handedness modes, the right-handed (RH) and left-handed (LH) precession modes. The magnon handedness determines the sign of spin polarization carried by the propagating magnon, which is indispensable for harnessing the diverse functionalities in magnonic devices, such as data encoding, magnon polarization-based logic systems, and quantum applications involving magnons. However, the control of coherently propagating magnon handedness in antiferromagnets has remained elusive.
View Article and Find Full Text PDFCystitis glandularis: MR imaging characteristics in 27 patients.
Jpn J Radiol
October 2024
Department of Radiology, First Medical Center of Chinese, PLA General Hospital, 28 Fuxing Road, Haidian District, Beijing, 100853, China.
Purpose: To explore the diagnostic characteristics of cystitis glandularis (CG) using magnetic resonance imaging (MRI).
Materials And Methods: A retrospective study was conducted on pathologically confirmed patients who underwent bladder MRI examination between January 2019 and November 2023. Image analysis was jointly conducted, with emphasis on lesion location, morphology, size, signal intensity, and pattern of enhancement, by two genitourinary radiologists with 22 and 15 years of experience, respectively.
Introduction Diabetic retinopathy (DR) is a microvascular ailment that can arise from the long-term effects of diabetes mellitus. It can potentially cause retinal damage that could endanger vision and cause blindness. The worsening of DR is mainly linked to poor glycemic control, uncontrolled hypertension, and dyslipidemia.
View Article and Find Full Text PDFSupercurrent and Superconducting Diode Effect in Parallel Double Quantum Dots with Rashba Spin-Orbit Interaction.
Materials (Basel)
September 2024
School of Electronic and Information Engineering, UEST of China, Zhongshan Institute, Zhongshan 528400, China.
We study theoretically the supercurrent and the superconducting diode effect (SDE) in a structure comprising parallel-coupled double quantum dots (DQDs) sandwiched between two superconductor leads in the presence of a magnetic flux. The influence of the Rashba spin-orbit interaction (RSOI), which induces a spin-dependent phase factor in the dot-superconductor coupling strength, is taken into account by adopting the nonequilibrium Green's function technique. This RSOI-induced phase factor serves as a driving force for the supercurrent in addition to the usual superconducting phase difference, and it leads to the system's left/right asymmetry.
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