National Library of Medicine (NCBI)
Barret A. Monchka, John T. Schousboe, Michael Davidson, Douglas Kimelman, Didier Hans, Parminder Raina, William D. Leslie,
... images with high balanced accuracy, but performance against Hologic VFAs is unknown. To obtain good classification performance, ... To train CNNs to identify vertebral fractures in Hologic VFAs using an active learning approach, and evaluate the ability of CNNs to generalize to both Hologic and GE VFA images. VFAs were obtained from the OsteoLaus Study (labeled Hologic Discovery A, n = 2726), the Manitoba Bone Mineral ... the Canadian Longitudinal Study on Aging (CLSA, unlabeled Hologic Discovery A, n = 17,190). Unlabeled CLSA VFAs ...
Tópico(s): Medical Imaging and Analysis
2022 - Elsevier BV | Bone
John Shepherd, Bo Fan, Ying Lü, Xiao Ping Wu, Wynn Wacker, David L. Ergun, Michael A. Levine,
... and composition derived using GE Healthcare Lunar and Hologic DXA systems. This multinational study recruited 199 adult ... was scanned on both GE Healthcare Lunar and Hologic Discovery or Delphi DXA systems on the same ... GE Healthcare Lunar Encore version 14.0 and Hologic Apex version 3.0. Paired t-tests were ... conversion equations between the GE Healthcare Lunar and Hologic whole-body scans. Bone and soft tissue measures ... highly correlated between the GE Healthcare Lunar and Hologic and systems, with r ranging from 0.96 ...
Tópico(s): Bone health and osteoporosis research
2012 - Oxford University Press | Journal of Bone and Mineral Research
Harry K. Genant, S. Grampp, Claus C. Glüer, Kenneth G. Faulkner, M. Jergas, Klaus Engelke, Satoshi Hagiwara, Cornelis van Kuijk,
... Mark II, a Lunar DPX-L, and a Hologic QDR 2000 densitometer using standard procedures (pencil beam ... in patient spinal BMD values (L2–4) between Hologic and Norland was 0.012 g/cm2 (1. ... was 0.113 g/cm2 (11.7%) between Hologic and Lunar and 0.118 g/cm2 (12. ... patients were 28 mg/cm2 (2.7%) for Hologic/Norland, 23 mg/cm2 (2.2%) for Hologic/Lunar, and 29 mg/cm2 (2.8%) for ... before correction were 0.972 g/cm2 for Hologic, 1.100 g/cm2 for Lunar, and 0. ... results for patients were 1045 mg/cm2 for Hologic, 1047 mg/cm2 for Lunar, and 1043 mg/ ...
Tópico(s): Hemodynamic Monitoring and Therapy
1994 - Oxford University Press | Journal of Bone and Mineral Research
Matejka Rebolj, Sarah Preisler, Ditte Møller Ejegod, Jesper Bonde, Carsten Rygaard, Elsebeth Lynge,
... Food and Drug Administration–approved APTIMA HPV Assay (Hologic/Gen-Probe, San Diego, CA) is an in ... 51, 52, 56, 58, 59, 66, and 68; Hologic/Gen-Probe, San Diego, CA) detected in combination. ... for use only on samples stored in PreservCyt (Hologic, Boxborough, MA). Arbyn et al16Arbyn M. Roelens J. ... approved platform PANTHER now also is available (all Hologic/Gen-Probe). An aim of Horizon, a population- ... followed a protocol provided for this study by Hologic/Gen-Probe. Diluted sample (1 mL) was aliquoted ... Tube containing 2.9 mL of buffered solution (Hologic/Gen-Probe). Before APTIMA testing, proteinase K treatment ...
Tópico(s): Hepatitis B Virus Studies
2013 - Elsevier BV | Journal of Molecular Diagnostics
David J. Sartoris, Donald Resnick,
... our musculoskeletal imaging section has worked with the Hologic QDR-1000 bone densitometer for an approximately equivalent ... Scholar The Lunar DPX device differs from the Hologic unit in its approach to energy separation: it ... DPX versus 43 and 110 keV for the Hologic system). An inherently stable, low-scatter (operator exposure ... study. Short- and long-term precisions of the Hologic system and the Lunar DP3 DPA unit were ... cylinders of variable diameter (simple geometry) and the Hologic calcium hydroxyapatite standard modeled as four lumbar vertebrae ( ...
Tópico(s): Radiomics and Machine Learning in Medical Imaging
1988 - Elsevier BV | Mayo Clinic Proceedings
... 75), consecutively in GE-Lunar DPX-NT and Hologic QDR 4500 C DXA scanners. Standardization of BMD ... were 0.950 ± 0.117 g/cm2 for Hologic and 1.068 ± 0.135 g/cm2 for ... were 1.035 ± 0.128 g/cm2 for Hologic and 1.035 ± 0.131 g/cm2 for ... were 0.798 ± 0.114 g/cm2 for Hologic and 0.895 ± 0.111 g/cm2 for ... were 0.869 ± 0.124 g/cm2 for Hologic and 0.867 ± 0.108 g/cm2 for ... for GE-Lunar and 1.8 for the Hologic device). Conclusion The originally proposed standardization formulae may ...
Tópico(s): Spine and Intervertebral Disc Pathology
2007 - Elsevier BV | European Journal of Radiology
Mohamed A. Bedaiwy, Robert F. Casper,
... assessed by dual-energy x-ray absorptiometry (DEXA) (Hologic 1000, Hologic Corporation, Waltham, MA) at 12-month intervals for up to 10 years. The Hologic equipment was calibrated daily using a standard bone " ... assessed by dual-energy x-ray absorptiometry (DEXA) (Hologic 1000, Hologic Corporation, Waltham, MA) at 12-month intervals for up to 10 years. The Hologic equipment was calibrated daily using a standard bone " ...
Tópico(s): Endometrial and Cervical Cancer Treatments
2006 - Elsevier BV | Fertility and Sterility
D Abbott, S. Radford, Paul T. Seed, Rachel M. Tribe, Andrew Shennan,
... 300 women; 22-35 weeks' gestation) with a Hologic 10Q system (Hologic, Marlborough, MA). Clinicians were blinded to the result until after the delivery, but the qualitative Hologic TLIIQ fFN result was made available.ResultsThe positive ... 300 women; 22-35 weeks' gestation) with a Hologic 10Q system (Hologic, Marlborough, MA). Clinicians were blinded to the result until after the delivery, but the qualitative Hologic TLIIQ fFN result was made available. The positive ...
Tópico(s): Neonatal Respiratory Health Research
2012 - Elsevier BV | American Journal of Obstetrics and Gynecology
Peter Steiger, Harry K. Genant, Michael E. Grman, Thomas N. Hangartner, James Hanson, Willi A. Kalender, Richard B. Mazess, Rikushi Morita, H. Schießl, Peter Steiger, Jay A. Stein, Toshiaki Tamegai,
... Steiger, Peter Steiger Committee for Standards in DXA Hologic, Inc. 590 Lincoln Street Waltham, Massachusetts 02154Search for ... authorPeter Steiger Ph.D., Peter Steiger Ph.D. Hologic Inc. Waltham, MA, USASearch for more papers by ... authorJay Stein Ph.D., Jay Stein Ph.D. Hologic Inc. Waltham, MA, USASearch for more papers by ... Steiger, Peter Steiger Committee for Standards in DXA Hologic, Inc. 590 Lincoln Street Waltham, Massachusetts 02154Search for ... authorPeter Steiger Ph.D., Peter Steiger Ph.D. Hologic Inc. Waltham, MA, USASearch for more papers by ...
Tópico(s): Planetary Science and Exploration
1995 - Oxford University Press | Journal of Bone and Mineral Research
P. Tothill, M. Ann Laskey, Charitini Orphanidou, Michiel P. van Wijk,
... total-body bone mineral changes made with a Hologic QDR 1000W were unreliable when the subjects underwent ... weight changes from the population studied with a Hologic QDR 1000W confirmed that BMC changed directly with ... an inappropriate change of BA. The use of Hologic Enhanced and Standard software modes led to significant ... Lunar, variable results with Norland, but decreases with Hologic. The results observed in vivo could be explained ... all three brands. The anomaly observed with the Hologic QDR 1000W is less apparent with a Lunar ...
Tópico(s): Nutrition and Health in Aging
1999 - Wiley | British Journal of Radiology
Daniel Kurtycz, Michele Smith, Rong He, Kayo Miyazaki, John E. Shalkham,
... of four methods of HPV detection: Invader® HPV (Hologic), Hybrid Capture 2® (Qiagen), Inform® HPV detection (Ventana), ... Using blinded/de‐identified cervical samples in Preservcyt® (Hologic), we compared Ventana's Inform® HPV Test, against Hologic's HPV Invader® and PCR. In a separate ... Invader versus hc2®. Ventana employs in situ hybridization; Hologic's technology uses three specifically designed oligonucleotides and ... and Drug Administration recently approved the Third Wave/Hologic Invader HPV high‐risk test (rebranded as Cervista ...
Tópico(s): Molecular Biology Techniques and Applications
2009 - Wiley | Diagnostic Cytopathology
S. Kolta, Marie‐Christine de Vernejoul, Pierre Meneton, J. Fechtenbaum, Christian Roux,
... mineral measurements of mice with the Piximus and Hologic QDR 2000 devices. One hundred and twenty-two ... the tibia, and two caudal vertebrae. Using the Hologic, we measured the tibia, which we divided into ... The accuracy, which was determined only for the Hologic device, revealed a mean difference between the in ... was comparable, whereas the BMD obtained on the Hologic device was nearly double that found using the ... can be measured precisely in vivo using the Hologic and Piximus devices; the latter being able to ...
Tópico(s): Animal Nutrition and Physiology
2003 - Elsevier BV | Journal of Clinical Densitometry
E. Sapin, Karine Briot, S. Kolta, Pierre Gravel, Wafa Skalli, Christian Roux, David Mitton,
... ten times using both the EOS and a Hologic device (Hologic, Inc., Massachusetts, USA). Accuracy was given by the ... random error (coefficient of variation). EOS BMDs and Hologic BMDs of 41 ex-vivo vertebrae were calculated ... cent, versus 7.2 per cent for the Hologic system in the same conditions. EOS BMDs are significantly higher than Hologic BMDs, but they are strongly correlated. The reproducibility ...
Tópico(s): Radiation Dose and Imaging
2008 - SAGE Publishing | Proceedings of the Institution of Mechanical Engineers Part H Journal of Engineering in Medicine
Annie W.C. Kung, Su-Mei Xiao, Stacey S. Cherny, Gloria Hoi‐Yee Li, Yi Gao, Gloria Hoi Wan Tso, Kam Shing Lau, K.D.K. Luk, Jianmin Liu, Bin Cui, Min-Jia Zhang, Zhen-lin Zhang, Jin-Wei He, Hua Yue, Wia-bo Xia, Lian-mei Luo, Shu-li He, Douglas P. Kiel, David Karasik, Yi-Hsiang Hsu, L. Adrienne Cupples, Serkalem Demissie, Unnur Styrkársdóttir, Bjarni V. Halldórsson, Gunnar Sigurðsson, Unnur Thorsteinsdottir, Kári Stéfansson, J. Brent Richards, Guangju Zhai, Nicole Soranzo, Ana M. Valdes, Tim D. Spector, Pak C. Sham,
... measured by dual-energy X-ray absorptiometry (DXA; Hologic QDR 4500 plus, Hologic Waltham, MA, USA) with standard protocol. The age- ... with standard protocols (Lunar DPX-L for FOS, Hologic QDR4500A for dCG, and Hologic QDR2000W for TUK). The three cohorts were genotyped ... Scholar The DXA machine (GE-Lunar Corp. or Hologic Inc.) was used to measure BMD of the ...
Tópico(s): Genetic Associations and Epidemiology
2010 - Elsevier BV | The American Journal of Human Genetics
Florent Richy, Margaret L. Gourlay, Joanne M. Garrett, Laura Hendrix, Jean-Yves Reginsterm,
... normative datasets (NHANES female norms, local female norms, Hologic densitometer manufacturer female norms, NHANES male norms, Hologic male norms) were used to estimate the prevalence ... osteoporosis prevalence ranged from 7.0% (NHANES and Hologic female norms) to 15.6% (NHANES male norms). ... lumbar spine, where prevalence ranged from 18.1% (Hologic female norms) to 29.6% (local female norms). ... site, prevalence was lowest (23.5%) based on Hologic female norms and highest (35.8%) based on ...
Tópico(s): Bone Metabolism and Diseases
2004 - Elsevier BV | Journal of Clinical Densitometry
Elizabeth McNamara, Holly Kilim, Alan O. Malabanan, LaTarsha G. Whittaker, Harold N. Rosen,
... and that the precision for the newer Horizon Hologic model might be better than that for the ... sought to quantify. Precision studies were performed on Hologic densitometers by acquiring spine BMD in fast array ... spine BMD measurement was significantly better on the Hologic Horizon than on the Discovery, but the difference ... of in vivo spine BMD on the new Hologic Horizon densitometer is significantly more precise than on ...
Tópico(s): Spinal Fractures and Fixation Techniques
2016 - Elsevier BV | Journal of Clinical Densitometry
... DOE). MLG is a stockholder in R2 Technology/Hologic and receives royalties from Hologic, GE Medical Systems, MEDIAN Technologies, Riverain Medical, Mitsubishi ... DOE). MLG is a stockholder in R2 Technology/Hologic and receives royalties from Hologic, GE Medical Systems, MEDIAN Technologies, Riverain Medical, Mitsubishi ...
Tópico(s): Colorectal Cancer Screening and Detection
2009 - Future Medicine | Future Oncology
Bo Fan, Ying Lü, Harry K. Genant, Thomas Fuerst, John Shepherd,
... art fan-beam dual X-ray absorptiometry (DXA) Hologic and GE-Lunar systems. Spine L1-L4 and ... of 87 postmenopausal women were scanned on both Hologic Delphi and GE-Lunar Prodigy DXA systems at ... different clinical centers. The scans were analyzed using Hologic Apex and GE-Lunar EnCore software. The BMD ...
Tópico(s): Radiation Dose and Imaging
2009 - Springer Science+Business Media | Osteoporosis International
Nancy E. Lane, Joyce Baptista, Eric Orwoll,
... lumbar spine was obtained at baseline, with 6 Hologic QDR (Hologic Inc., Waltham, MA) and a Lunar DPX (Lunar ... 1.1 +/- 0.11 g/cm2 (n = 85 Hologic QDR) and 1.2 +/- 0.93 g/cm2 (n = 15 Lunar DPX). Hologic bone mineral density was 104.8 +/- 11.0 ...
Tópico(s): Endometrial and Cervical Cancer Treatments
1991 - Elsevier BV | Fertility and Sterility
G. M. Blake, Cheuk Man Tong, I. Fogelman,
We have compared results from 13 Hologic QDR-1000 bone densitometers: (i) by performing spine and hip scans on two normal volunteers; (ii) by acquiring sets of 10 sequential scans on a Hologic anthropomorphic spine phantom. For each QDR-1000 site ... control study. All scans were analysed using the Hologic scan comparison software. Radiographers at each site were ...
Tópico(s): Bone health and osteoporosis research
1991 - Wiley | British Journal of Radiology
Satoshi Hagiwara, Klaus Engelke, Seoung-Oh Yang, Manjit Dhillon, Giuseppe Guglielmi, David L. Nelson, Harry K. Genant,
... ray absorptiometry (DXA) systems using 20 cadavers. A Hologic QDR-2000, a Hologic QDR-1000/W, and a Lunar DPX-L ... BMD values were significantly different between the two Hologics and the Lunar machine. The slope and intercept ... both the BMC and BMD between the two Hologic systems were close to unity. In conclusion, the ...
Tópico(s): Radiation Dose and Imaging
1994 - Oxford University Press | Journal of Bone and Mineral Research
Bo Fan, E. Michael Lewiecki, Mary Sherman, Ying Lü, Paul D. Miller, Harry K. Genant, John Shepherd,
The precision of Hologic Apex v2.0 analysis software is significantly improved from Hologic Delphi v11.2 software and is comparable to GE ... versions: Apex v2.0 and Delphi v11.2 (Hologic, Inc.), and Prodigy v7.5 (GE Healthcare, Inc.) ...
Tópico(s): Meta-analysis and systematic reviews
2008 - Springer Science+Business Media | Osteoporosis International
Janwillem Kocks, Kate A. Ward, Zulf Mughal, Roy Moncayo, J.E. Adams, Wolfgang Högler,
... BMD Z-scores generated from the largest available Hologic DXA databases, applied on BMD results of a ... total of 2027 BMD scans were extracted from Hologic QDR-4500A machines. Age- and sex-specific BMD ... children aged 8-17 yr, calculated from six Hologic databases, were compared for lumbar spine (LS) and ... differences in BMD Z-scores exist between the Hologic databases, revealing a significant potential for misdiagnosis. Ideally, ...
Tópico(s): Meta-analysis and systematic reviews
2010 - Oxford University Press | The Journal of Clinical Endocrinology & Metabolism
Gwinnett Ladson, William C. Dodson, Stephanie Sweet, Anthony E. Archibong, Allen R. Kunselman, Laurence M. Demers, Peter A. Lee, Nancy I. Williams, PonJola Coney, Richard S. Legro,
... scans with the fan-beam mode of a Hologic QDR-4500W (Hologic Inc.). Subregion analysis of visceral and central abdominal ... dual energy x-ray absorptiometry (DXA) using a Hologic QDR-4500W (Hologic Inc.). Each participant underwent a total-body scan ...
Tópico(s): Growth Hormone and Insulin-like Growth Factors
2011 - Elsevier BV | Fertility and Sterility
David Simpson, Vijay S. Dontu, Suzanne E. Stephens, L. J.A. Archbold, Vanessa Lowe, M. J. O Doherty, Neil D. Martin, Anthony J. Coakley,
... the adult skeleton may fail for paediatric studies. Hologic provide alternative algorithms for low bone density studies. ... spine and a whole-body scan on a Hologic QDR-4500W DXA scanner. Both scans were analysed ... adult protocol and then re-analysed using the Hologic experimental paediatric protocol for whole body and the Hologic low-density protocol for lumbar spine.Both lumbar ...
Tópico(s): Nutrition and Health in Aging
2005 - Lippincott Williams & Wilkins | Nuclear Medicine Communications
Yong Yang, WD Jason Zhu, Nicholas I. Paton,
... was measured on two DXA machines (Lunar and Hologic). Results Hologic gave significantly higher values than Lunar DXA for ... 012) than those without LD. When measured by Hologic, patients with LD had values of leg fat ... to a composite LD score between Lunar and Hologic measurements. Conclusion DXA machines from different manufacturers give ...
Tópico(s): Parvovirus B19 Infection Studies
2004 - SAGE Publishing | Antiviral Therapy
Mark F. McEntee, Christine N. Damases,
... one year apart either on GE system or Hologic system. These images also had their volumetric density ... by an average of 0.37 for the Hologic system, the radiologist's BIRADS having a mean ... of the VDG AvBD% classifications. Using Volpara, the Hologic system showed a lower mean AvBD% (9.5 vs. 9.6). However using BIRADS the Hologic systems showed a lower mean (2.05 vs. ...
Tópico(s): Global Cancer Incidence and Screening
2014 - SPIE | Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE
Elena Salvagnini, Hilde Bosmans, Lara Struelens, Nicholas Marshall,
... investigated were the Siemens MAMMOMAT Inspiration and the Hologic Selenia Dimensions. The presampling modulation transfer function (MTF) ... on T/F and grid setting. For the Hologic system, eDQE at 1 mm −1 varied from ... 40, 60, and 70 mm PMMA. For the Hologic, the FOMs pointed to W/Rh (grid in) ... 0.55 ± 0.03 for the Siemens and Hologic detectors, respectively, indicating only a small influence of ...
Tópico(s): Medical Imaging Techniques and Applications
2013 - Wiley | Medical Physics
Nicola Crabtree, Nicholas J Shaw, Nicholas Bishop, Judith E. Adams, M. Zulf Mughal, Paul Arundel, Mary Fewtrell, S. Faisal Ahmed, Laura A. Treadgold, Wolfgang Högler, Natalie A. Bebbington, Kate A. Ward,
... UK sites collected data on GE Lunar or Hologic Scanners between 1996 and 2012. Males and females ... and iDXA (sex- and ethnic-specific) and for Hologic (sex-specific). Regression equations for TBLH BMC were ... for GE Lunar and Apex 4.1 for Hologic. For the first time, sex- and ethnic-specific ... aBMD are provided for both GE Lunar and Hologic scanners. These curves will facilitate interpretation of DXA ...
Tópico(s): Radioactivity and Radon Measurements
2016 - Oxford University Press | Journal of Bone and Mineral Research