John R Mayo

Summary

Affiliation: University of British Columbia
Country: Canada

Publications

  1. doi request reprint Pulmonary CT angiography as first-line imaging for PE: image quality and radiation dose considerations
    John Mayo
    Department of Radiology, Vancouver General Hospital, 899 West 12th Ave, Radiology Admin, Jim Pattison Pavilion South, Vancouver, BC V5Z 1M9, Canada
    AJR Am J Roentgenol 200:522-8. 2013
  2. doi request reprint CT evaluation of diffuse infiltrative lung disease: dose considerations and optimal technique
    John R Mayo
    University of British Columbia, Vancouver General Hospital, Canada
    J Thorac Imaging 24:252-9. 2009
  3. doi request reprint Lung nodules: CT-guided placement of microcoils to direct video-assisted thoracoscopic surgical resection
    John R Mayo
    Department of Radiology, Vancouver General Hospital Site, University of British Columbia, Vancouver, BC, Canada
    Radiology 250:576-85. 2009
  4. doi request reprint Radiation dose issues in longitudinal studies involving computed tomography
    John R Mayo
    Department of Radiology, Vancouver General Hospital, 899 West 12th Avenue, Vancouver, BC, V5Z 1M9 Canada
    Proc Am Thorac Soc 5:934-9. 2008
  5. ncbi request reprint Diagnosis of subsegmental pulmonary emboli: a multi-center study using a porcine model
    Harvey O Coxson
    Department of Radiology, Vancouver General Hospital, Vancouver, BC, Canada
    J Thorac Imaging 20:24-31. 2005
  6. pmc Evidence for dysanapsis using computed tomographic imaging of the airways in older ex-smokers
    A William Sheel
    School of Human Kinetics, University of British Columbia, BC, Canada
    J Appl Physiol (1985) 107:1622-8. 2009
  7. ncbi request reprint Computed tomography of acute pulmonary embolism
    Sharyn L S MacDonald
    Department of Radiology, University of British Columbia, Vancouver, BC, Canada
    Semin Ultrasound CT MR 24:217-31. 2003
  8. doi request reprint Reduced iodine load at CT pulmonary angiography with dual-energy monochromatic imaging: comparison with standard CT pulmonary angiography--a prospective randomized trial
    Ren Yuan
    Department of Radiology, St Paul s Hospital, University of British Columbia, 1081 Burrard St, Vancouver, BC, Canada
    Radiology 262:290-7. 2012
  9. doi request reprint Perifissural nodules seen at CT screening for lung cancer
    Myeong I Ahn
    Department of Radiology, Vancouver General Hospital, 899 W 12th Ave, Vancouver, BC, Canada V5Z 1M9
    Radiology 254:949-56. 2010
  10. ncbi request reprint Lung density is not altered following intense normobaric hypoxic interval training in competitive female cyclists
    Jordan A Guenette
    Health and Integrative Physiology Laboratory, University of British Columbia, 6108 Thunderbird Blvd, Vancouver, BC, Canada V6T 1Z3
    J Appl Physiol (1985) 103:875-82. 2007

Collaborators

Detail Information

Publications44

  1. doi request reprint Pulmonary CT angiography as first-line imaging for PE: image quality and radiation dose considerations
    John Mayo
    Department of Radiology, Vancouver General Hospital, 899 West 12th Ave, Radiology Admin, Jim Pattison Pavilion South, Vancouver, BC V5Z 1M9, Canada
    AJR Am J Roentgenol 200:522-8. 2013
    ..Age- and weight-specific imaging techniques are suggested...
  2. doi request reprint CT evaluation of diffuse infiltrative lung disease: dose considerations and optimal technique
    John R Mayo
    University of British Columbia, Vancouver General Hospital, Canada
    J Thorac Imaging 24:252-9. 2009
    ..Specifically, the evidence indicating risk from the radiation at the level used in HRCT, recommended dose levels for HRCT, radiation dose reduction strategies, and suggested protocols are discussed...
  3. doi request reprint Lung nodules: CT-guided placement of microcoils to direct video-assisted thoracoscopic surgical resection
    John R Mayo
    Department of Radiology, Vancouver General Hospital Site, University of British Columbia, Vancouver, BC, Canada
    Radiology 250:576-85. 2009
    ....
  4. doi request reprint Radiation dose issues in longitudinal studies involving computed tomography
    John R Mayo
    Department of Radiology, Vancouver General Hospital, 899 West 12th Avenue, Vancouver, BC, V5Z 1M9 Canada
    Proc Am Thorac Soc 5:934-9. 2008
    ..This benefit should be related to the potential of saving of life or to the prevention or mitigation of serious disease...
  5. ncbi request reprint Diagnosis of subsegmental pulmonary emboli: a multi-center study using a porcine model
    Harvey O Coxson
    Department of Radiology, Vancouver General Hospital, Vancouver, BC, Canada
    J Thorac Imaging 20:24-31. 2005
    ....
  6. pmc Evidence for dysanapsis using computed tomographic imaging of the airways in older ex-smokers
    A William Sheel
    School of Human Kinetics, University of British Columbia, BC, Canada
    J Appl Physiol (1985) 107:1622-8. 2009
    ..In males and females matched for lung size women had significantly smaller airway luminal areas. The larger conducting airways in females are significantly smaller than those of males even after controlling for lung size...
  7. ncbi request reprint Computed tomography of acute pulmonary embolism
    Sharyn L S MacDonald
    Department of Radiology, University of British Columbia, Vancouver, BC, Canada
    Semin Ultrasound CT MR 24:217-31. 2003
    ..This review will discuss the use of spiral CT for acute PE, including scan acquisition parameters, radiation dose, diagnostic findings, interpretive pitfalls and the role of leg vein studies...
  8. doi request reprint Reduced iodine load at CT pulmonary angiography with dual-energy monochromatic imaging: comparison with standard CT pulmonary angiography--a prospective randomized trial
    Ren Yuan
    Department of Radiology, St Paul s Hospital, University of British Columbia, 1081 Burrard St, Vancouver, BC, Canada
    Radiology 262:290-7. 2012
    ..To compare quantitative and subjective image quality and radiation dose between standard computed tomographic (CT) pulmonary angiography (CTPA) and CTPA with a dual-energy technique with reduced iodine load...
  9. doi request reprint Perifissural nodules seen at CT screening for lung cancer
    Myeong I Ahn
    Department of Radiology, Vancouver General Hospital, 899 W 12th Ave, Vancouver, BC, Canada V5Z 1M9
    Radiology 254:949-56. 2010
    ..To describe and characterize the potential for malignancy of noncalcified lung nodules adjacent to fissures that are often found in current or former heavy smokers who undergo computed tomography (CT) for lung cancer screening...
  10. ncbi request reprint Lung density is not altered following intense normobaric hypoxic interval training in competitive female cyclists
    Jordan A Guenette
    Health and Integrative Physiology Laboratory, University of British Columbia, 6108 Thunderbird Blvd, Vancouver, BC, Canada V6T 1Z3
    J Appl Physiol (1985) 103:875-82. 2007
    ..Mean lung density did not change from pre (0.138 +/- 0.014 g/ml)- to postexercise (0.137 +/- 0.011 g/ml). These findings suggest that pulmonary edema does not occur in highly trained females following intense normobaric hypoxic exercise...
  11. doi request reprint Risk-benefit analysis of pulmonary CT angiography in patients with suspected pulmonary embolus
    James K H Woo
    Department of Radiology, Vancouver General Hospital, Vancouver, BC, Canada
    AJR Am J Roentgenol 198:1332-9. 2012
    ..The objective of our study was to estimate the mortality benefit-to-risk ratio of pulmonary CT angiography (CTA) by setting (ambulatory [emergency department or outpatient] or inpatient), age, and sex...
  12. ncbi request reprint CT-Directed microcoil localization of small peripheral lung nodules: a feasibility study in pigs
    Dalbhir Jangra
    Department of Surgery, Vancouver Hospital and University of British Columbia, Vancouver, British Columbia, Canada
    J Invest Surg 18:265-72. 2005
    ..Platinum microcoils can be safely and easily deployed into the lung parenchyma with minimal complication risk, and can be used to guide subsequent thoracoscopic wedge resection...
  13. doi request reprint Oesophageal dilatation on high-resolution CT chest in systemic sclerosis: what does it signify?
    Anoop Kumar Pandey
    Department of Radiology, Division of Pulmonary Medicine, University of British Columbia, Vancouver, British Columbia, Canada
    J Med Imaging Radiat Oncol 55:551-5. 2011
    ..To evaluate the significance of oesophageal dilatation on high-resolution CT (HRCT) chest in patients with systemic sclerosis...
  14. pmc Quantification of lung surface area using computed tomography
    Ren Yuan
    University of British Columbia James Hogg Research Centre and the Heart and Lung Institute, St Paul s Hospital, Burrard Street, Vancouver, Canada
    Respir Res 11:153. 2010
    ..To incorporate both regional lung density measured by CT and cluster analysis of low attenuation areas for comparison with histological measurement of surface area per unit lung volume...
  15. doi request reprint A prospective evaluation of dose reduction and image quality in chest CT using adaptive statistical iterative reconstruction
    Jonathon Leipsic
    Departments of Radiology, University of British Columbia, Saint Paul s Hospital, Vancouver, BC, Canada
    AJR Am J Roentgenol 195:1095-9. 2010
    ....
  16. pmc Airway wall thickness assessed using computed tomography and optical coherence tomography
    Harvey O Coxson
    Department of Radiology, Vancouver General Hospital, 855 West 12th Avenue, Room 3350 JPN, Vancouver, BC, Canada
    Am J Respir Crit Care Med 177:1201-6. 2008
    ..Optical coherence tomography (OCT) is a promising new micron-scale resolution imaging technique that can image small airways 2 mm in diameter or less...
  17. ncbi request reprint The effects of radiation dose and CT manufacturer on measurements of lung densitometry
    Ren Yuan
    Department of Radiology, Vancouver General Hospital, 855 West Twelfth Ave, Room 3350 JPN, Vancouver, BC, Canada
    Chest 132:617-23. 2007
    ..To evaluate the effect of radiation dose and scanner manufacturer on quantitative CT scan measurements of lung morphology in smokers...
  18. ncbi request reprint Radiation dose in abdominal computed tomography: the role of patient size and the selection of tube current
    John E Aldrich
    Department of Radiology, University of British Columbia, Vancouver General Hospital, Vancouver, BC
    Can Assoc Radiol J 57:152-8. 2006
    ..To develop an algorithm for selecting tube current for computed tomography (CT), based on patient weight, that produces abdominal CT images of consistent image quality...
  19. doi request reprint Conventional high-resolution CT versus contiguous multidetector CT in the detection of bronchiolitis obliterans syndrome in lung transplant recipients
    Jonathan D Dodd
    Department of Radiology, University of British Columbia, Vancouver, British Columbia, Canada
    J Thorac Imaging 23:235-43. 2008
    ....
  20. ncbi request reprint Lung cancer screening using multi-slice thin-section computed tomography and autofluorescence bronchoscopy
    Annette M McWilliams
    British Columbia Cancer Agency, Vancouver, British Columbia, Canada
    J Thorac Oncol 1:61-8. 2006
    ..Our hypothesis is that the use of a two-step strategy, using a sputum biomarker, may increase the detection rate of lung cancer by identifying individuals at highest risk...
  21. pmc Optimization of dose and image quality for computed radiography and digital radiography
    John E Aldrich
    Department of Radiology, Vancouver General Hospital and University of British Columbia, 899 West 12th Avenue, Vancouver, BC, Canada V5Z 1M9
    J Digit Imaging 19:126-31. 2006
    ..The final patient surface doses using CR were similar to published diagnostic reference doses; for DR, all patient doses were less than published reference levels...
  22. ncbi request reprint Reduced radiation dose helical chest CT: effect on reader evaluation of structures and lung findings
    John R Mayo
    Department of Radiology, Vancouver General Hospital, University of British Columbia, 899 W 12th Ave, Vancouver, BC, Canada V5Z 1M9
    Radiology 232:749-56. 2004
    ..To assess, by using computer simulation, the effect of the use of reduced computed tomographic (CT) tube current on reader evaluation of structures and lung findings on images obtained at clinically indicated chest CT examinations...
  23. pmc Probability of cancer in pulmonary nodules detected on first screening CT
    Annette McWilliams
    Vancouver General Hospital, Vancouver, BC, Canada
    N Engl J Med 369:910-9. 2013
    ..We conducted a population-based prospective study to determine factors predicting the probability that lung nodules detected on the first screening low-dose CT scans are malignant or will be found to be malignant on follow-up...
  24. doi request reprint Detection sensitivity of a commercial lung nodule CAD system in a series of pathologically proven lung cancers
    Myrna C B Godoy
    Department of Radiology, St Paul s Hospital, University of British Columbia, Vancouver, British Columbia, Canada
    J Thorac Imaging 23:1-6. 2008
    ..To evaluate the performance of a commercially available computer-aided detection (CAD) system in a series of pathologically proven lung cancers...
  25. doi request reprint Lung nodules in children: video-assisted thoracoscopic surgical resection after computed tomography-guided localization using a microcoil
    Manraj K S Heran
    Department of Radiology, University of British Columbia, Vancouver V6H 3V4, Canada
    J Pediatr Surg 46:1292-7. 2011
    ....
  26. doi request reprint Qualitative and quantitative assessment of smoking-related lung disease: effect of iterative reconstruction on low-dose computed tomographic examinations
    Cameron J Hague
    Departments of Radiology Radiology and Cardiology Medicine, Division of Respirology, James Hogg Research Center and The Institute of Heart and Lung Health, University of British Columbia, St Paul s Hospital James Hogg Research Center and The Institute of Heart and Lung Health Departments of Radiology and Cardiology Radiology, James Hogg Research Center and The Institute of Heart and Lung Health, University of British Columbia, Vancouver General Hospital, Vancouver, BC Department of Radiology McGill University Health Centre, Montreal, QC, Canada Department of Diagnostic Imaging, King Fahd Military Medical Complex, Dhahran, Kingdom of Saudi Arabia
    J Thorac Imaging 29:350-6. 2014
    ..The purpose of this research is to examine the role that differing levels of adaptive statistical iterative reconstruction (ASIR) have on the qualitative and quantitative assessment of smoking-related lung disease...
  27. ncbi request reprint Detection of lung perfusion abnormalities using computed tomography in a porcine model of pulmonary embolism
    Nicholas J Screaton
    Department of Radiology Vancouver General Hospital, Vancouver, British Columbia, Canada
    J Thorac Imaging 18:14-20. 2003
    ..5 and 9 ml/s. A linear relationship exists (r = 0.88) between injection rate and change in maximal attenuation. In conclusion, perfusion defects of the lung are seen using computer-manipulated CT images...
  28. pmc Small-airway obstruction and emphysema in chronic obstructive pulmonary disease
    John E McDonough
    University of British Columbia James Hogg Research Centre, St Paul s Hospital, Vancouver, BC, Canada
    N Engl J Med 365:1567-75. 2011
    ..We wanted to determine whether there was a relationship between small-airway obstruction and emphysematous destruction in COPD...
  29. doi request reprint Radiation dose in cardiac CT
    John R Mayo
    Department of Radiology, Division of Cardiology, University of British Columbia and Vancouver General Hospital, Vancouver, BC, Canada
    AJR Am J Roentgenol 192:646-53. 2009
    ..The purpose of this article is to familiarize the radiologist with radiation dose in cardiac CT imaging and explain the current methods for dose reduction...
  30. doi request reprint Role of multislice computed tomography in transcatheter aortic valve replacement
    David A Wood
    Division of Cardiology, St Paul s Hospital, University of British Columbia, Vancouver, British Columbia, Canada
    Am J Cardiol 103:1295-301. 2009
    ..Neither eccentricity nor calcific deposits appeared to contribute significantly to severity of paravalvular regurgitation after TAVR...
  31. doi request reprint Transthoracic Computed Tomography-Guided Lung Nodule Biopsy: Comparison of Core Needle and Fine Needle Aspiration Techniques
    Bippan S Sangha
    Department of Radiology, University of British Columbia, Vancouver, British Columbia, Canada Electronic address
    Can Assoc Radiol J 67:284-9. 2016
    ....
  32. doi request reprint Preoperative computed tomography-guided microcoil localization of small peripheral pulmonary nodules: a prospective randomized controlled trial
    Richard J Finley
    Division of Thoracic Surgery, Department of Surgery, University of British Columbia, Vancouver, British Columbia, Canada Electronic address
    J Thorac Cardiovasc Surg 149:26-31. 2015
    ....
  33. ncbi request reprint Individual susceptibility to high altitude and immersion pulmonary edema and pulmonary lymphatics
    Eric A Carter
    School of Kinesiology, Department of Radiology, and Division of Sports Medicine, University of British Columbia, Vancouver, BC, Canada
    Aviat Space Environ Med 85:9-14. 2014
    ..The objectives of this study were to measure lung density (before and after exercise) and quantify the pulmonary lymphatic network in individuals susceptible and resistant to HAPE/IPE...
  34. ncbi request reprint Early emphysema in patients with anorexia nervosa
    Harvey O Coxson
    Department of Radiology, Vancouver Coastal Health Research Institute Vancouver General Hospital, Vancouver, BC V5Z 1M9, Canada
    Am J Respir Crit Care Med 170:748-52. 2004
    ..These data demonstrate that emphysema-like changes are present in the lungs of patients who are chronically malnourished...
  35. ncbi request reprint Foreign-body aspiration as a cause of an asymmetric carina: case report
    Eric Herget
    Department of Radiology, Vancouver General Hospital, University of British Columbia, Vancouver, BC
    Can Assoc Radiol J 55:13-5. 2004
  36. doi request reprint Predictors of pulmonary hypertension on high-resolution computed tomography of the chest in systemic sclerosis: a retrospective analysis
    Anoop Kumar Pandey
    Department of Radiology, University of British Columbia, Vancouver, British Columbia, Canada
    Can Assoc Radiol J 61:291-6. 2010
    ..We specifically investigated whether main pulmonary artery (MPA) diameter and burden of lung fibrosis are predictors of pulmonary hypertension in these patients...
  37. ncbi request reprint Human lung density is not altered following normoxic and hypoxic moderate-intensity exercise: implications for transient edema
    Alastair N H Hodges
    Allan McGavin Sports Medicine Centre, University of British Columbia, Vancouver, British Columbia, Canada
    J Appl Physiol (1985) 103:111-8. 2007
    ..Transient interstitial pulmonary edema did not occur following sustained steady-state cycling exercise in N or H, indicating that transient edema does not result from pulmonary capillary leakage during sustained submaximal exercise...
  38. ncbi request reprint Rational computed tomography screening in 2003
    Bruce B Forster
    Department of Radiology, University of British Columbia Hospital, Vancouver Hospital and Health Science Centre, Vancouver, BC
    Can Assoc Radiol J 54:14-7. 2003
  39. ncbi request reprint Computed tomography evaluation of traumatic rupture of the thoracic aorta: an outcome study
    Jennifer D Ellis
    Department of Radiology, Vancouver General Hospital, Vancouver, BC
    Can Assoc Radiol J 58:22-6. 2007
    ..corrected] To assess the long-term outcome of blunt trauma patients with suspected thoracic aortic or great vessel injury that was evaluated with contrast-enhanced chest computed tomography (CT)...
  40. ncbi request reprint Radiation exposure at chest CT: a statement of the Fleischner Society
    John R Mayo
    Department of Radiology, Vancouver General Hospital, 899 W 12th Ave, Vancouver, British Columbia, V5Z 1M9 Canada
    Radiology 228:15-21. 2003
    ....
  41. doi request reprint Safety and Efficacy of Modified Preoperative Lung Nodule Microcoil Localization Without Pleural Marking: A Pilot Study
    Lan Chau T Kha
    Department of Medical Imaging Division of Thoracic Surgery, Department of Surgery, University Health Network, University of Toronto, Toronto, ON Department of Thoracic and Cardiovascular Imaging, Vancouver General Hospital, Vancouver, BC, Canada
    J Thorac Imaging 31:15-22. 2016
    ....
  42. pmc Resource utilization and costs during the initial years of lung cancer screening with computed tomography in Canada
    Sonya Cressman
    The Canadian Centre for Applied Research in Cancer Control, and the British Columbia Cancer Agency, Vancouver, British Columbia, Canada The British Columbia Cancer Agency, Vancouver, British Columbia, Canada Brock University, St Catherines, Ontario, Canada Cancer Care Ontario and the Juravinski Cancer Centre, Hamilton, Ontario, Canada University Health Network and Princess Margaret Cancer Centre, Toronto, Ontario, Canada The Canadian Centre for Applied Research in Cancer Control, the British Columbia Cancer Agency and School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada The University of British Columbia School of Population and Public Health, Vancouver, British Columbia, Canada Queen Elizabeth II Health Sciences Centre, Halifax, Nova Scotia, Canada The British Columbia Cancer Agency and The Canadian Centre for Applied Research in Cancer Control and the University of British Columbia, Vancouver, British Columbia, Canada Beatrice Hunter Cancer Research Institute and Dalhousie University, Halifax, Nova Scotia, Canada The Vancouver General Hospital, Vancouver, British Columbia, Canada Fionna Stanley Hospital and Sir Charles Gairdner Hospital, Perth, Western Australia Université Laval, Quebec, Canada Vancouver General Hospital, The University of British Columbia, Vancouver, British Columbia, Canada The Juravinski Cancer Centre and McMaster University, Hamilton
    J Thorac Oncol 9:1449-58. 2014
    ..The decision to implement such programs should be informed by data on resource utilization and costs...
  43. ncbi request reprint Spiral computed tomography for acute pulmonary embolism
    Melanie P Hiorns
    Department of Radiology, Vancouver General Hospital, University of British Columbia, Vancouver, BC
    Can Assoc Radiol J 53:258-68. 2002
    ..Hence, the introduction of spiral CT angiography of the pulmonary arteries has been greeted with enthusiasm...
  44. pmc Single coronary artery from the right aortic sinus of Valsalva with anomalous prepulmonic course of the left coronary artery
    Tadhg Gleeson
    Department of Thoracic and Cardiovascular Imaging, Vancouver General Hospital, Vancouver, Canada
    Can J Cardiol 25:e136-8. 2009
    ....