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Hot Quadrate Sign Under Focus of F18-FDG PET-CT: An Incidental Finding.
J Pak Med Assoc
January 2025
Department of Nuclear Medicine, Shaukat Khanum Memorial Cancer Hospital and Research Center, Lahore.
"Hot quadrate lobe sign" refers to visualization of caudate lobe of liver due to excess accumulation of radiotracer secondary to superior vena cava obstruction. Collateral channels are formed between thoracic and mediastinal vessels; internal mammary through the paraumbilical vessels which drain blood to the left portal vein and into the caudate lobe of liver. It was first described on Tc99-m sulfur colloid scan.
View Article and Find Full Text PDFMicrofluidics-enabled core/shell nanostructure assembly: Understanding encapsulation processes via particle characterization and molecular dynamics.
Adv Colloid Interface Sci
January 2025
Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, Biocity (3rd fl.), Tykistökatu 6A, 20520 Turku, Finland; Turku Bioscience Centre, University of Turku and Åbo Akademi University, Biocity (5th fl.), Tykistökatu 6A, 20520 Turku, Finland. Electronic address:
In the realm of hybrid nanomaterials, the construction of core/shell nanoparticles offer an effective strategy for encompassing a particle by a polymeric or other suitable material, leading to a nanocomposite with distinct features within its structure. The polymer shell can be formed via nanoprecipitation, optimized by manipulating fluid flow, fluid mixing, modulating device features in microfluidics. In addition to the process optimization, success of polymer assembly in encapsulation strongly lies upon the favorable molecular interactions originating from the diverse chemical environment shared between core and shell materials facilitating formation of core/shell nanostructure.
View Article and Find Full Text PDFStrong inorganic acid mists and respiratory tract cancers: a meta-analysis.
Occup Med (Lond)
January 2025
Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy.
Background: Exposure to strong inorganic acid mists (SIAMs) in the workplace has been linked to respiratory tract cancers.
Aims: We conducted a meta-analysis of cohort and case-control studies examining the association between occupational SIAMs and respiratory tract cancers other than laryngeal cancer, which is already established.
Methods: Studies mentioned in the 1992 IARC Monograph on carcinogenicity of SIAMs were combined with later studies identified from a systematic search of Scopus, PubMed and Embase.
How tailor-made copolymers can control the structure and properties of hybrid nanomaterials: the case of polyionic complexes.
Nanoscale
January 2025
Laboratoire Softmat, Université de Toulouse, CNRS UMR 5623, 118 route de Narbonne, 31062 Toulouse Cedex 9, France.
Hybrid polyionic complexes (HPICs) are colloidal structures with a charged core rich in metal ions and a neutral hydrophilic corona. Their properties, whether as reservoirs or catalysts, depend on the accessibility and environment of the metal ions. This study demonstrates that modifying the coordination sphere of these ions can tune the properties of HPICs by altering the composition of the complexing block or varying formulation conditions.
View Article and Find Full Text PDFErlotinib-induced Perioral Lesions Resembling Scleroderma.
Acta Dermatovenerol Croat
November 2024
Constantin A. Dasanu MD, PhD, Lucy Curci Cancer Center, Eisenhower Health, 39000 Bob Hope Dr, Rancho Mirage, CA 92270 , USA;
Erlotinib, an epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI), is currently used in the therapy of several solid malignancies. This agent has been associated with several dermatological side-effects, the most common being papulo-pustular acneiform rash. Herein we describe a unique skin effect in a patient treated with erlotinib for non-small cell lung cancer.
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