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Fibroma of Tendon Sheath Arising in the Subacromial Bursa: A Case Report.
JBJS Case Connect
October 2024
Department of Orthopaedic Surgery, The University of Tokyo Hospital, Bunkyo-ku, Tokyo, Japan.
Case: An 18-year-old woman presented with shoulder pain that had persisted for a year. The magnetic resonance imaging showed a solitary lesion in the subacromial bursa (SAB). Arthroscopy revealed an ovoid mass connected to the bursal wall with thin synovial tissue that was excised en bloc arthroscopically.
View Article and Find Full Text PDFSynthesis and Characterization of Poly(ethylene furanoate)/Poly(ε-caprolactone) Block Copolymers.
J Am Soc Mass Spectrom
January 2025
Laboratory of Chemistry and Technology of Polymers and Colors, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece.
Biobased poly(ethylene furanoate) (PEF)/poly(ε-caprolactone) (PCL) block copolymers have been synthesized using ring opening polymerization (ROP) of ε-caprolactone (ε-CL) in the presence of PEF in different mass ratios. An increase in intrinsic viscosity is observed for the block copolymers with higher ε-CL content due to the extension of their macromolecular chain. Matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MS) was employed to understand the composition and structure of the produced block copolymers.
View Article and Find Full Text PDFFeels good, and less bad: Problematic use of the Internet is associated with heightened experiences of both gratification and compensation.
J Behav Addict
January 2025
1General Psychology: Cognition, Faculty of Computer Science, University of Duisburg-Essen, Germany.
Background: During the development of addictive behaviors, theoretical models assume a shift from experience of gratification being a driver in early stages to experience of compensation which dominates at later stages of addiction development. Initial studies show a trend in this direction; however, this shift has not yet been investigated in clinical samples. We assume experienced gratification to be highest in individuals with risky use (indicating the beginning of the addiction process), and compensation to be highest in individuals with pathological use.
View Article and Find Full Text PDFBiomarkers.
Alzheimers Dement
December 2024
Neurology Department Infanta Leonor Hospital, Madrid, Spain.
Background: biomarkers are essential in order to make a diagnosis with a high level of accuracy in patients with cognitive and behavior complaints. However, molecular imaging biomarkers not always provide an answer in daily clinical practice.
Methods: retrospective and descriptive study in patients with Amyloid PET (APscans) implemented according to rational use of this technic, between January 2019-November 2023 in Neurology Department, Infanta Leonor Hospital, Madrid, Spain.
Biomarkers.
Alzheimers Dement
December 2024
Laboratory of Alzheimer's Neuroimaging and Epidemiology - LANE, IRCCS Istituto Centro San Giovanni di Dio Fatebenefratelli, Brescia, Italy.
Background: This study investigated microstructural features of the locus coeruleus to entorhinal cortex pathway (LC-EC) in relation to amyloid (A), tau (T), neurodegeneration (N) markers and cognitive impairment in memory clinic patients.
Method: 124 participants were recruited from the Geneva Memory Clinic (n=30 cognitively unimpaired - CU; n=80 MCI and n=14 dementia - CI) and underwent clinical assessment, 3T MRI scan including diffusion weighted imaging, amyloid PET, and tau PET. Diffusivity indices (fractional anisotropy - FA, mean, axial and radial diffusivities - MD, AxD, RD) were assessed in the LC-EC pathway using a probabilistic atlas.
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