J Eng

Summary

Affiliation: Johns Hopkins University
Country: USA

Publications

  1. ncbi request reprint Getting started in radiology research: asking the right question and identifying an appropriate study population
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University, 600 N Wolfe St, Baltimore, MD 21287, USA
    Acad Radiol 11:149-54. 2004
  2. doi request reprint Teaching receiver operating characteristic analysis: an interactive laboratory exercise
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD 21287, USA
    Acad Radiol 19:1452-6. 2012
  3. ncbi request reprint Examining the role of cranial CT in the evaluation of patients with minor head injury: a systematic review
    John Eng
    Division of Health Sciences Informatics, Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Central Radiology Viewing Area, Baltimore, MD 21287, USA
    Neuroimaging Clin N Am 13:273-82. 2003
  4. ncbi request reprint Receiver operating characteristic analysis: a primer
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, Maryland 21287, USA
    Acad Radiol 12:909-16. 2005
  5. ncbi request reprint Informatics in Radiology (infoRAD): radiology report entry with automatic phrase completion driven by language modeling
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Radiographics 24:1493-501. 2004
  6. ncbi request reprint Sample size estimation: a glimpse beyond simple formulas
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University, Central Radiology Viewing Area, Room 117, 600 N Wolfe St, Baltimore, MD 21287, USA
    Radiology 230:606-12. 2004
  7. ncbi request reprint Sample size estimation: how many individuals should be studied?
    John Eng
    Department of Radiology and Radiological Science, Johns Hopkins University, 600 N Wolfe St, Central Radiology Viewing Area, Rm 117, Baltimore, MD 21287, USA
    Radiology 227:309-13. 2003
  8. ncbi request reprint Computer network security for the radiology enterprise
    J Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, 600 N Wolfe St, Baltimore, MD 21287, USA
    Radiology 220:303-9. 2001
  9. ncbi request reprint Collaboration system for radiology workstations
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    Radiographics 22:e5. 2002
  10. ncbi request reprint The role of functional MR imaging in the assessment of tumor response after chemoembolization in patients with hepatocellular carcinoma
    Ihab R Kamel
    Russell H Morgan Department of Radiology and Radiological Sciences, Division of Vascular and Interventional Radiology, Baltimore, MD 21287, USA
    J Vasc Interv Radiol 17:505-12. 2006

Collaborators

Detail Information

Publications42

  1. ncbi request reprint Getting started in radiology research: asking the right question and identifying an appropriate study population
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University, 600 N Wolfe St, Baltimore, MD 21287, USA
    Acad Radiol 11:149-54. 2004
    ..Attention to these issues should be helpful to the various roles involved in the life of a study: the investigator planning the study, the reviewer of the resulting manuscript, and the reader of the published research article...
  2. doi request reprint Teaching receiver operating characteristic analysis: an interactive laboratory exercise
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, MD 21287, USA
    Acad Radiol 19:1452-6. 2012
    ..The purpose of this project was to create a learning experience that resulted in an intuitive understanding of the basic principles of ROC analysis...
  3. ncbi request reprint Examining the role of cranial CT in the evaluation of patients with minor head injury: a systematic review
    John Eng
    Division of Health Sciences Informatics, Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Central Radiology Viewing Area, Baltimore, MD 21287, USA
    Neuroimaging Clin N Am 13:273-82. 2003
    ..Separate evaluation of the literature is required to determine the significance of positive and negative CT scans with respect to patient outcome...
  4. ncbi request reprint Receiver operating characteristic analysis: a primer
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, 600 North Wolfe Street, Baltimore, Maryland 21287, USA
    Acad Radiol 12:909-16. 2005
  5. ncbi request reprint Informatics in Radiology (infoRAD): radiology report entry with automatic phrase completion driven by language modeling
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD, USA
    Radiographics 24:1493-501. 2004
    ..3 (geometric mean) (95% confidence interval, 3.2-3.5). The algorithm significantly reduced the number of keystrokes required to generate a radiography report (P <.00005)...
  6. ncbi request reprint Sample size estimation: a glimpse beyond simple formulas
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University, Central Radiology Viewing Area, Room 117, 600 N Wolfe St, Baltimore, MD 21287, USA
    Radiology 230:606-12. 2004
    ..Applications of simulation for determining sample size requirements in studies involving correlated data and comparisons of receiver operating characteristic curves are discussed...
  7. ncbi request reprint Sample size estimation: how many individuals should be studied?
    John Eng
    Department of Radiology and Radiological Science, Johns Hopkins University, 600 N Wolfe St, Central Radiology Viewing Area, Rm 117, Baltimore, MD 21287, USA
    Radiology 227:309-13. 2003
    ..A trade-off exists between a feasible sample size and adequate statistical power. Strategies for reducing the necessary sample size while maintaining a reasonable power will also be discussed...
  8. ncbi request reprint Computer network security for the radiology enterprise
    J Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, 600 N Wolfe St, Baltimore, MD 21287, USA
    Radiology 220:303-9. 2001
    ..While effective, these technologies must be supplemented with vigilant user and system management...
  9. ncbi request reprint Collaboration system for radiology workstations
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    Radiographics 22:e5. 2002
    ..The system was developed with the Java programming language because of Java's integrated support of Internet-compatible networking capabilities...
  10. ncbi request reprint The role of functional MR imaging in the assessment of tumor response after chemoembolization in patients with hepatocellular carcinoma
    Ihab R Kamel
    Russell H Morgan Department of Radiology and Radiological Sciences, Division of Vascular and Interventional Radiology, Baltimore, MD 21287, USA
    J Vasc Interv Radiol 17:505-12. 2006
    ..To assess treatment response of hepatocellular carcinoma (HCC) after transarterial chemoembolization (TACE) with use of diffusion and dynamic contrast medium-enhanced magnetic resonance (MR) imaging...
  11. doi request reprint DexNote: a learner-centric tool for radiology knowledge tracking
    Kenneth C Wang
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins Hospital, 600 N Wolfe St, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 193:W118-21. 2009
    ..Sample notes with approximately 22,000 entries are described...
  12. ncbi request reprint Usefulness of clinical prediction rules for the diagnosis of venous thromboembolism: a systematic review
    Leonardo J Tamariz
    Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Am J Med 117:676-84. 2004
    ..To summarize the evidence on the predictive value of clinical prediction rules for the diagnosis of venous thromboembolism...
  13. ncbi request reprint Asymptomatic large main pulmonary artery thromboembolism with a low-probability ventilation-perfusion lung scan
    A C Civelek
    Russell H Morgan Department of Radiology and Radiological Science, The Johns Hopkins Medical Institutions, Out Patient Center, Baltimore, Maryland 21287 0817, USA
    Clin Nucl Med 26:216-20. 2001
    ....
  14. ncbi request reprint Treatment of venous thromboembolism with low-molecular-weight heparin: a synthesis of the evidence published in systematic literature reviews
    J A Krishnan
    Division of Pulmonary and Critical Care Medicine, Johns Hopkins School of Medicine, Baltimore, USA
    Respir Med 98:376-86. 2004
    ..To evaluate the methodology and cumulative evidence presented in systematic reviews of clinical trials comparing low-molecular-weight heparin (LMWH) with unfractionated heparin (UFH) for the treatment of venous thromboembolism...
  15. pmc Review of the evidence on diagnosis of deep venous thrombosis and pulmonary embolism
    Jodi B Segal
    Johns Hopkins University School of Medicine, Department of Medicine, Baltimore, MD, USA
    Ann Fam Med 5:63-73. 2007
    ..This review summarizes the evidence regarding the efficacy of techniques for diagnosis of deep venous thrombosis (DVT) and pulmonary embolism...
  16. ncbi request reprint Characterization of musculoskeletal lesions on 3-T proton MR spectroscopy
    Laura M Fayad
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine and Johns Hopkins Medical Institutions, 601 N Caroline St, JHOC 3171C, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 188:1513-20. 2007
    ..The purpose of our study was to determine the feasibility and value of proton MR spectroscopy at 3 T for characterizing musculoskeletal tumors...
  17. ncbi request reprint Evolving physician perception of world wide web education 2007 update and review of the literature
    Pamela T Johnson
    The Russell H Morgan Department of Radiology and Radiologic Sciences, Johns Hopkins School of Medicine, 601 N Caroline Street, Room 3251, Baltimore, MD 21287, USA
    Acad Radiol 14:1092-101. 2007
  18. ncbi request reprint Duration of vitamin K antagonist therapy for venous thromboembolism: a systematic review of the literature
    Michael B Streiff
    Department of Medicine, Division of Hematology, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
    Am J Hematol 81:684-91. 2006
    ..The aim of this study was to evaluate the evidence on the optimal duration of vitamin K antagonist (VKA) therapy for venous thromboembolism (VTE)...
  19. pmc Superolateral Hoffa's fat pad edema: association with patellofemoral maltracking and impingement
    Ty K Subhawong
    The Russell H Morgan Department of Radiology and Radiological Science, The Johns Hopkins Hospital, 601 N Caroline St, Room 4214, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 195:1367-73. 2010
    ..Our study was designed to systematically evaluate the correlation of superolateral Hoffa's fat pad edema with various anatomic parameters of trochlear morphology and patellar alignment...
  20. doi request reprint Bridging radiology and public health: the emerging field of radiologic public health informatics
    Daniel J Mollura
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, Baltimore, Maryland 21287, USA
    J Am Coll Radiol 5:174-81. 2008
    ..Linking radiology with public health, radiologic public health informatics is a promising avenue through which radiology can contribute to public health decision making and health policy...
  21. doi request reprint A comparison of world wide web resources for identifying medical information
    Pamela T Johnson
    The Russell H Morgan Department of Radiology and Radiological Sciences, 601 N Caroline Street, Room 3251, Baltimore, MD 21287, USA
    Acad Radiol 15:1165-72. 2008
    ..To compare the utility of a search engine, Google, with other medical and non-medical, web-based resources for identifying specific medical information...
  22. pmc Receiver operating characteristic analysis of diffusion-weighted magnetic resonance imaging in differentiating hepatic hemangioma from other hypervascular liver lesions
    Josephina A Vossen
    Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins Hospital, Baltimore, MD 21287, USA
    J Comput Assist Tomogr 32:750-6. 2008
    ..To evaluate the role of diffusion-weighted imaging in differentiating between hepatic hemangiomas, both typical and atypical, and other hypervascular liver lesions...
  23. doi request reprint Comparison of supine magnetic resonance imaging with and without rectal contrast to fluoroscopic cystocolpoproctography for the diagnosis of pelvic organ prolapse
    Harpreet K Pannu
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins Medical Institutions, Baltimore, MD 21287, USA
    J Comput Assist Tomogr 33:125-30. 2009
    ..To compare supine magnetic resonance imaging (MRI), with and without rectal contrast, with fluoroscopic cystocolpoproctography (CCP) for the diagnosis of pelvic organ prolapse...
  24. doi request reprint MDCT for suspected appendicitis: effect of reconstruction section thickness on diagnostic accuracy, rate of appendiceal visualization, and reader confidence using axial images
    Pamela T Johnson
    The Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins School of Medicine, 601 N Caroline St, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 192:893-901. 2009
    ..The purpose of this study was to evaluate interpretative performance with different MDCT reconstruction parameters in adult patients with suspected appendicitis...
  25. ncbi request reprint MDCT of intraductal papillary mucinous neoplasm of the pancreas: evaluation of features predictive of invasive carcinoma
    Satomi Kawamoto
    The Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins Hospital, 600 N Wolfe St, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 186:687-95. 2006
    ..The purpose of our study was to evaluate factors predictive of the presence of invasive carcinoma associated with intraductal papillary mucinous neoplasm (IPMN) of the pancreas on MDCT...
  26. ncbi request reprint Distinction of long bone stress fractures from pathologic fractures on cross-sectional imaging: how successful are we?
    Laura M Fayad
    Department of Radiology and Radiological Science, Johns Hopkins Medical Institutions, 601 N Caroline St, JHOC 3171C, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 185:915-24. 2005
    ..The objectives of our study were to define CT and MRI features that distinguish pathologic fractures from stress fractures and to compare the performance of CT and MRI with radiography...
  27. ncbi request reprint Arteriographic and pathologic evaluation of two suture-mediated arterial closure devices in a porcine model
    Lawrence V Hofmann
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins Medical Institutions, Blalock 545, 600 North Wolfe Street, Baltimore, Maryland 21287, USA
    J Vasc Interv Radiol 14:755-61. 2003
    ..To determine the acute and short-term effects the Sutura 8-F SuperStitch and Perclose 6-F Closer devices have on the femoral artery, as determined by angiography and pathologic examination...
  28. ncbi request reprint Role of diffusion-weighted imaging in estimating tumor necrosis after chemoembolization of hepatocellular carcinoma
    Ihab R Kamel
    Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins Hospital, 600 N Wolfe St, Rm 100, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 181:708-10. 2003
  29. ncbi request reprint Outpatient therapy with low molecular weight heparin for the treatment of venous thromboembolism: a review of efficacy, safety, and costs
    Jodi B Segal
    Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
    Am J Med 115:298-308. 2003
    ..To summarize the evidence comparing the efficacy, safety, and costs of outpatient and inpatient treatment of venous thromboembolism...
  30. ncbi request reprint Accuracy of breath-hold magnetic resonance imaging in preoperative staging of organ-confined renal cell carcinoma
    Ihab R Kamel
    The Russell H Morgan Department of Radiology and Radiological Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
    J Comput Assist Tomogr 28:327-32. 2004
    ..To determine the accuracy of breath-hold magnetic resonance (MR) imaging for preoperative staging of patients with organ-confined (stage I) renal cell carcinoma...
  31. ncbi request reprint Safety and hemodynamic effects of pulmonary angiography in patients with pulmonary hypertension: 10-year single-center experience
    Lawrence V Hofmann
    Division of Vascular and Interventional Radiology, Johns Hopkins Medical Institutions, 600 N Wolfe St, Blalock 545, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 183:779-86. 2004
    ..We sought to examine the incidence of complications and change in pulmonary artery pressure in patients with pulmonary hypertension who were undergoing pulmonary angiography...
  32. ncbi request reprint Internet-based radiology order-entry, reporting, and workflow management system for coordinating urgent study requests during off-hours
    Krishna Juluru
    Department of Radiology, Johns Hopkins University, School of Medicine, 600 N Wolfe St, Central Radiology Viewing Area, Rm 117, Baltimore, MD, USA
    AJR Am J Roentgenol 184:1017-20. 2005
    ..Our aim was to develop a simple, low-cost, Internet-based application for radiology order-entry, reporting, and workflow management during off-hours...
  33. ncbi request reprint Human peripheral arteries: feasibility of transvenous intravascular MR imaging of the arterial wall
    Lawrence V Hofmann
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins Hospital, Blalock 545, 600 N Wolfe Street, Baltimore, MD 21287, USA
    Radiology 235:617-22. 2005
    ..Preliminary results show that transvenous MR imaging is feasible for high-spatial-resolution imaging of the arterial wall and atherosclerotic plaque. Postcontrast T1-weighted imaging affords greatest CNR for the arterial wall...
  34. ncbi request reprint Multidetector-row CT of the appendix in healthy adults
    Pamela T Johnson
    Russell H Morgan Department of Radiology, John Hopkins School of Medicine, 601 N Caroline Street, Room 3251, Baltimore, MD 21287, USA
    Emerg Radiol 12:248-53. 2006
    ..In this healthy, adult population, the collapsed appendix measured up to 7 mm at MDCT. Air distention of the lumen results in a wider diameter, up to 10 mm...
  35. ncbi request reprint Predicting the presence of acute pulmonary embolism: a comparative analysis of the artificial neural network, logistic regression, and threshold models
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University, Central Radiology Viewing Area, Rm 117, 600 N Wolfe St, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 179:869-74. 2002
    ....
  36. ncbi request reprint Screening for preclinical disease: test and disease characteristics
    Cheryl R Herman
    The Russell Morgan Department of Radiology and Radiological Sciences, JHOC Rm 4155, P O Box 0814, Johns Hopkins Medical Institutions, 601 N Caroline St, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 179:825-31. 2002
  37. ncbi request reprint Accuracy of CT in the diagnosis of pulmonary embolism: a systematic literature review
    John Eng
    Russell H Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, 600 N Wolfe St, Central Radiology Viewing Area, Rm 117, Baltimore, MD 21287, USA
    AJR Am J Roentgenol 183:1819-27. 2004
    ..We sought to summarize systematically the published evidence describing the accuracy of contrast-enhanced helical CT for diagnosing pulmonary embolism...
  38. ncbi request reprint Lung cancer screening with helical computed tomography in older adult smokers: a decision and cost-effectiveness analysis
    Parthiv J Mahadevia
    Robert Wood Johnson Clinical Scholars Program, Johns Hopkins School of Medicine, Baltimore, MD, USA
    JAMA 289:313-22. 2003
    ..Encouraged by direct-to-consumer marketing, smokers and their physicians are contemplating lung cancer screening with a promising but unproven imaging procedure, helical computed tomography (CT)...
  39. doi request reprint Radiation safety for the speech-language pathologist
    Andrea Hayes
    Department of Physical Medicine and Rehabilitation, The Johns Hopkins Hospital, Baltimore, MD 21287, USA
    Dysphagia 24:274-9. 2009
    ..While recommendations are not new, details of the findings may help guide and reinforce good radiation safety practice...
  40. ncbi request reprint Endovascular model of rabbit hindlimb ischemia: a platform to evaluate therapeutic angiogenesis
    Robert P Liddell
    Russell H Morgan Department of Radiology and Radiological Science, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21287, USA
    J Vasc Interv Radiol 16:991-8. 2005
    ....
  41. doi request reprint Stress fracture of the first rib in a weightlifter
    John Eng
    Department of Nuclear Medicine, Royal Melbourne Hospital, Parkville, Victoria, Australia
    Clin Nucl Med 33:371-3. 2008
    ..X-ray was normal. The patient had a bone scan, including SPECT, suggesting a fracture of the right first rib, subsequently confirmed on CT examination...
  42. ncbi request reprint Improved demonstration of cartilage narrowing in the knee joint using standing PA flexed radiographs
    William W Scott
    Clinical Radiology of Oklahoma, University of Oklahoma, 610 NW 14th, Oklahoma City, OK 73103, USA
    J Okla State Med Assoc 100:469-72. 2007
    ....