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Simulated Cam Morphology of the Hip Changes Sacroiliac Motion During Hip Motion and Loading in a Cadaveric Model.
Arthrosc Sports Med Rehabil
December 2024
Department of Orthopedic Surgery and Sports Medicine, Mayo Clinic, Rochester, Minnesota, U.S.A.
Purpose: To determine the relationship between cam morphology of the hip and ipsilateral sacroiliac motion compared to the native hip in a cadaveric model.
Methods: A simulated cam state was created using a 3-dimensional printed cam secured to the head-neck junction of 5 cadaveric hips. Hips were studied using a computed tomography-based optic metrology system and a 6 degree-of-freedom robot to exert an internal rotation torque at 3 different torque levels (6 N-m, 12 N-m, 18 N-m).
Preoperative Computed Tomography Radiomics-Based Models for Predicting Microvascular Invasion of Intrahepatic Mass-Forming Cholangiocarcinoma.
J Comput Assist Tomogr
November 2024
From the Department of Radiology, Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, Jiangsu Province, China.
Objectives: The aim of the study is to investigate the ability of preoperative CT (Computed Tomography)-based radiomics signature to predict microvascular invasion (MVI) of intrahepatic mass-forming cholangiocarcinoma (IMCC) and develop radiomics-based prediction models.
Materials And Methods: Preoperative clinical data, basic CT features, and radiomics features of 121 IMCC patients (44 with MVI and 77 without MVI) were retrospectively reviewed. The loading and display of CT images, delineation of the volume of interest, and feature extraction were performed using 3D Slicer.
Validating a Practical Correction for Intravenous Contrast on Computed Tomography-Based Muscle Density.
J Comput Assist Tomogr
November 2024
From the Department of Nutritional Sciences, University of Wisconsin-Madison, Madison, WI.
Objective: Computed tomography (CT) measured muscle density is prognostic of health outcomes. However, the use of intravenous contrast obscures prognoses by artificially increasing CT muscle density. We previously established a correction to equalize contrast and noncontrast muscle density measurements.
View Article and Find Full Text PDFLipoprotein(a) as a Predictor of Nonalcoholic Fatty Liver After Pancreatectomy.
Anticancer Res
January 2025
Department of Surgery, The Jikei University School of Medicine, Tokyo, Japan.
Background/aim: Lipoprotein(a) (Lp(a)) is a complex protein involved in the transport of insoluble lipids in plasma. Its expression is predominantly genetically determined, with 70% to over 90% influenced by the number of Kringle IV type 2 domains. This study investigated the association between preoperative serum Lp(a) level and development of post-pancreatectomy nonalcoholic fatty liver disease (NAFLD) in patients who underwent pancreatectomy.
View Article and Find Full Text PDFComparison of the diagnostic performances of ct attenuation corrected and non-attenuation corrected spect myocardial perfusion scintigraphy in coronary artery disease.
Rev Esp Med Nucl Imagen Mol (Engl Ed)
December 2024
Selcuk University Medical Faculty, Department of Nuclear Medicine, Konya, Turkey.
Introduction And Objectives: Tissue attenuation reduces the specificity of the myocardial perfusion imaging single photon emission tomography (SPECT), which leads reduced diagnostic accuracy. The aim of this study is to compare performances of non-attenuation corrected (NAC), computed tomography based-attenuation corrected (AC) and prone images for qualitative and semi-quantitative analysis of myocardial perfusion SPECT in diagnosis of coronary artery disease (CAD).
Materials And Methods: Eightysix patients in whom NAC, AC and prone images were obtained with SPECT at Selcuk University Faculty of Medicine, and whose coronary angiography/CT coronary angiography was completed within 3 months, were retrospectively studied.
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