Results 51 to 60 of about 11,178 (234)

Luude kvaliteedi sõeluuringud kvantitatiivse ultraheli meetodil [PDF]

, 2009
Ultraheli kasutamise eelisteks luukoe hindamise sõeluuringutes peetakse kiirguse puudumist, odavust, läbiviimise lihtsust ja kiirust, kuid enim kasutatav luude tiheduse määramise meetod on siiski DXA (kaheenergialine röntgenabsorptsiomeetria).
Maasalu, Katre, Märtson, Aare, Raukas, Marju   +2 more
core   +2 more sources

Monte Carlo modeling of radiation dose from radiation therapy with superficial x‐rays

Journal of Applied Clinical Medical Physics, Volume 26, Issue 6, June 2025.
Abstract Introduction Superficial x‐rays (50–100 kVp) are used for treating non‐melanoma skin cancer and intraoperative radiation therapy (IORT). At these energies, the photoelectric effect significantly increases absorbed dose to bone compared to soft tissue.
Reham Barghash, Tiffany W. Martin, Amber R. Prebble, Del Leary   +3 more
wiley   +1 more source

SPECIFIC SITES OF BONE EXPANSION DEPEND ON THE LEVEL OF VOLLEYBALL PRACTICE IN PREPUBESCENT BOYS

Biology of Sport, 2013
The purpose of this study was to investigate the effect of 18 months of high and low levels of volleyball practice on bone acquisition. 130 prepubescent boys (mean age 11.4 ± 0.7) were divided into a high-level training group (HLG), low-level training ...
Hamada Chaari, Mohamed Zouch, Anis Zribi, Elyes Bouajina, Monia Zaouali, Zouhair Tabka   +5 more
doaj   +1 more source

Downturn in Childhood Bone Mass: A Cross‐Sectional Study Over Four Decades

JBMR Plus, 2022
Screen time and physical inactivity have increased among children. As physical activity is a determinant of bone mass, there is a concern that children today have lower bone mass than earlier.
Björn E Rosengren, Erika Bergman, Jessica Karlsson, Henrik Ahlborg, Lars Jehpsson, Magnus K Karlsson   +5 more
doaj   +1 more source

AAPM Task Group No. 249.B—Essentials and guidelines for clinical medical physics residency training programs

Journal of Applied Clinical Medical Physics, Volume 26, Issue 6, June 2025.
Abstract The establishment of guidelines and curriculum standards for medical physics residency training is a critical component of setting expectations and competencies for the profession. Since the last publication of these standards, residency training has become integrated into the eligibility criteria for most medical physics certification bodies.
Jonathon A. Nye, Joseph P. Dugas, William D. Erwin, David P. Gierga, Darryl G. Kaurin, Stephanie M. Leon, Ho‐Ling Anthony Liu, Zheng Feng Lu, Alphonso W. Magri, Lynn N. Rill, Leah K. Schubert, Beth A. Schueler, Irina Vergalasova, John Vetter, Brian D. Wichman, Amy Shu‐Jung Yu, Dandan Zheng   +16 more
wiley   +1 more source

Determinants of bone damage: An ex-vivo study on porcine vertebrae. [PDF]

PLoS ONE, 2018
Bone's resistance to fracture depends on several factors, such as bone mass, microarchitecture, and tissue material properties. The clinical assessment of bone strength is generally performed by Dual-X Ray Photon Absorptiometry (DXA), measuring bone ...
Mohammad J Mirzaali, Flavia Libonati, Davide Ferrario, Luca Rinaudo, Carmelo Messina, Fabio M Ulivieri, Bruno M Cesana, Matteo Strano, Laura Vergani   +8 more
doaj   +1 more source

The Placenta Regulates Intrauterine Fetal Growth via Exosomal PPARγ

Advanced Science, Volume 12, Issue 15, April 17, 2025.
The placenta expresses much higher levels of PPARγ than fetal adipose tissue. Trophoblastic exosomes transport PPARγ into fetal preadipocytes via fetoplacental circulation and thus regulate adipogenic genes distinct from endogenous PPARγ. Compromised placental PPARγ leads to fetal adipogenesis deficiency and intrauterine growth restriction, reversible ...
Xiaofang Luo, Biao Huang, Ping Xu, Hao Wang, Baozhen Zhang, Li Lin, Jiujiang Liao, Mingyu Hu, Xiyao Liu, Jiayu Huang, Yong Fu, Mark D. Kilby, Rodney E. Kellems, Xiujun Fan, Yang Xia, Philip N. Baker, Hongbo Qi, Chao Tong   +17 more
wiley   +1 more source

Variations in bone mineral density after joint replacement: A systematic review examining different anatomical regions, fixation techniques and implant design

Journal of Experimental Orthopaedics, Volume 12, Issue 2, April 2025.
Abstract Purpose This study aims to evaluate postoperative periprosthetic bone mineral density (BMD) at various time points following joint replacement with different implant designs and fixation techniques. Methods Database search was conducted on MEDLINE, Scopus, Cochrane Central Register of Controlled Trials, Web of Science, and CINAHL for studies ...
Domenico Alesi, Raffaele Zinno, Maria Scoppolini Massini, Giuseppe Barone, Davide Valente, Erika Pinelli, Stefano Zaffagnini, Agostino Igor Mirulla, Laura Bragonzoni   +8 more
wiley   +1 more source

Relation of BMI to a dual-energy X-ray absorptiometry measure of fatness [PDF]

, 2017
Dual-energy X-ray absorptiometry (DXA) is a valid technique for measuring the fat, bone and lean (muscle, organs and water) masses of the body. We evaluated relationships of BMI (kg/m2) with independent measurements of fat and lean masses using DXA in ...
Curtin, François, Morabia, Alfredo, Pichard, Claude, Ross, Alan, Slosman, Daniel O.   +4 more
core  

Reduced Bone Mineralization in Adolescent Survivors of Malignant Bone Tumors: Comparison of Quantitative Ultrasound and Dual-Energy X-Ray Absorptiometry [PDF]

, 2003
To assess bone mineralization in adolescents with bone tumors at remission using quantitative digital ultrasound (QUS) and dual-energy x-ray absorptiometry (DEXA), and to compare the bone mineralization values obtained by both ...
Azcona-San-Julian, M.C. (María Cristina), Burghard, E. (Ellen), Gimeno, J. (Juan), Ruza, E. (Elena), Sierrasesumaga, L. (Luis)   +4 more
core   +1 more source