A 38-year-old woman developed sclerotic and atrophic changes of the left femur in the winter of 1976. In 1980, she was referred to our dermatology clinic and was diagnosed with localized linear scleroderma from the results of the physical examinations and the histological findings. Although several local and systemic treatments were employed over the following 10 years, the sclerotic lesion did not show any remarkable improvement. In 1991, several hard and white papules appeared in the lesion, and a biopsy specimen of these white papules revealed calcinosis.
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http://dx.doi.org/10.1111/j.1346-8138.2002.tb00176.x | DOI Listing |
J Ultrasound Med
March 2025
Department of Biomedical Engineering, Department of Small Animal Clinical Sciences, Texas A&M University, College Station, Texas, USA.
The lack of sensibility of traditional ultrasound (US) imaging to the slow blood flow in small vessels resulted in the development of microbubble (MB) contrast agents. These MBs are given intravenously, and US imaging can detect them quite effectively. This noninvasive imaging method, known as contrast-enhanced US (CEUS), now makes it possible to accurately assess tissue perfusion and blood flow.
View Article and Find Full Text PDFSoft Matter
March 2025
Institute of Electronic Structure & Laser, FORTH, Heraklion, 70013, Greece.
The cage concept, a central microscopic mechanism for glassy dynamics, has been utilized in concentrated colloidal suspensions to describe a number of phenomena. Here, we probe the evolution of cage formation and shear elasticity with increasing volume fraction in hard sphere suspensions, with emphasis on the short-time dynamics. To this end, we utilize linear viscoelastic (LVE) measurements, by means of conventional rotational rheometers and a home-made HF piezo-rheometer, to probe the dynamic response over a broad range of volume fractions up to the very dense glassy regime in proximity to random close packing.
View Article and Find Full Text PDFBJU Int
March 2025
Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario, Canada.
Background: Exercise-induced urinary incontinence (UI) can hinder physical activity, particularly in women engaging in high-impact activities. This condition is linked to reduced passive support of the urethra and bladder. Intravaginal devices that support pelvic structures may offer a solution, but high-quality evidence is lacking.
View Article and Find Full Text PDFBiomed Chromatogr
April 2025
NMPA Key Laboratory for Research and Evaluation of Drug Metabolism & Guangdong Provincial Key Laboratory of New Drug Screening & Guangdong-Hongkong-Macao Joint Laboratory for New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou, China.
Compound 13b, a newly identified anthraquinone derivative, has demonstrated potent efficacy against the Zika virus. To explore the bioavailability and pharmacokinetic properties of compound 13b, a robust and sensitive HPLC-MS/MS method was established and verified to determine its plasma concentration in rats. Sample preparation involved protein precipitation using acetonitrile with testosterone as an internal standard.
View Article and Find Full Text PDFBrain
March 2025
Univ. Bordeaux, INSERM, Neurocentre Magendie, U1215, F-3300 Bordeaux, France.
Ischemic strokes disrupt brain networks, leading to remote effects in key regions like the thalamus, a critical hub for brain functions. However, non-invasive methods to quantify these remote consequences still need to be explored. This study aimed to demonstrate that MRI-derived R2* changes can capture iron accumulation linked with inflammation secondary to stroke-induced disconnection.
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