Richard Semelka

Summary

Affiliation: University of North Carolina
Country: USA

Publications

  1. ncbi request reprint Chronic hepatitis: correlation of early patchy and late linear enhancement patterns on gadolinium-enhanced MR images with histopathology initial experience
    R C Semelka
    Department of Radiology, University of North Carolina, Chapel Hill, North Carolina 27599 7510, USA
    J Magn Reson Imaging 13:385-91. 2001
  2. ncbi request reprint Renal malacoplakia: demonstration by MR imaging
    Olga G Zimina
    Department of Radiology, Cancer Research Center, Moscow, Russia
    Magn Reson Imaging 20:611-4. 2002
  3. doi request reprint Magnetic resonance imaging of the liver: a review
    Vasco Heredia
    University of North Carolina at Chapel Hill, Department of Radiology, CB 7510, 101 Manning Drive, Chapel Hill, NC 27599 7510, USA 1 919 966 4400 1 919 966 9143
    Expert Opin Med Diagn 1:213-23. 2007
  4. doi request reprint Objective evaluation of acute adverse events and image quality of gadolinium-based contrast agents (gadobutrol and gadobenate dimeglumine) by blinded evaluation. Pilot study
    Richard C Semelka
    Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 7510, USA
    Magn Reson Imaging 31:96-101. 2013
  5. pmc The American College of Radiology white paper on radiation dose in medicine:deep impact on the practice of cardiovascular imaging
    Eugenio Picano
    CNR, Institute of Clinical Physiology, Pisa, Italy
    Cardiovasc Ultrasound 5:37. 2007
  6. ncbi request reprint Immunoblastic large B-cell lymphoma of the peripancreatic head region: MR findings
    Evlampia A Psatha
    Department of Radiology of North Carolina Hospitals, Chapel Hill 27599 7510, USA
    Magn Reson Imaging 22:1053-7. 2004
  7. ncbi request reprint Contrast agents for MR imaging of the liver
    R C Semelka
    Department of Radiology, University of North Carolina School of Medicine, CB 7510, Chapel Hill, NC 27599 7510, USA
    Radiology 218:27-38. 2001
  8. doi request reprint Objective determination of standard of care: use of blind readings by external radiologists
    Richard C Semelka
    Department of Radiology, University of North Carolina at Chapel Hill, 27599 7510, USA
    AJR Am J Roentgenol 195:429-31. 2010
  9. doi request reprint MRI findings of posttraumatic intrahepatic vascular shunts
    Richard C Semelka
    Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 7510, USA
    J Magn Reson Imaging 29:617-20. 2009
  10. ncbi request reprint Liver metastases: comparison of current MR techniques and spiral CT during arterial portography for detection in 20 surgically staged cases
    R C Semelka
    Department of Radiology, University of North Carolina at Chapel Hill 27599 7510, USA
    Radiology 213:86-91. 1999

Collaborators

  • Ersan Altun
  • Diego R Martin
  • N Cem Balci
  • Mauricio Castillo
  • Walter Huda
  • Paul Hayashi
  • W Brian Hyslop
  • Frank H Miller
  • T K Helmberger
  • Andrea S Kierans
  • Mohamed Elazzazi
  • Jose A Goncalves Neto
  • Miguel Ramalho
  • Vasco Heredia
  • Andreia Roque
  • Polytimi Leonardou
  • Eugenio Picano
  • Larissa Braga
  • Evlampia A Psatha
  • Olga G Zimina
  • Rafael de Campos
  • Rafael Azevedo
  • Ana Ferreira
  • Masayuki Kanematsu
  • Georgeta D Vaidean
  • Charles Burke
  • David A Gerber
  • Matthew Chaney
  • Waqas Qureshi
  • Faiq Shaikh
  • Lauren M Brubaker
  • Georgeta Vaidean
  • Jeffrey Troy
  • Sudha Ramachandran
  • Mauricio Zapparoli
  • Dieter Regulla
  • Eliseo Vano
  • Zeynep Firat
  • John T Woosley
  • Fatmir Bilaj
  • Svetlana Rezun
  • Diane Armao

Detail Information

Publications19

  1. ncbi request reprint Chronic hepatitis: correlation of early patchy and late linear enhancement patterns on gadolinium-enhanced MR images with histopathology initial experience
    R C Semelka
    Department of Radiology, University of North Carolina, Chapel Hill, North Carolina 27599 7510, USA
    J Magn Reson Imaging 13:385-91. 2001
    ....
  2. ncbi request reprint Renal malacoplakia: demonstration by MR imaging
    Olga G Zimina
    Department of Radiology, Cancer Research Center, Moscow, Russia
    Magn Reson Imaging 20:611-4. 2002
    ..Demonstration of renal malacoplakia on MR images may obviate the need for major surgery and rapidly direct patients to appropriate antimicrobial therapy for treatment...
  3. doi request reprint Magnetic resonance imaging of the liver: a review
    Vasco Heredia
    University of North Carolina at Chapel Hill, Department of Radiology, CB 7510, 101 Manning Drive, Chapel Hill, NC 27599 7510, USA 1 919 966 4400 1 919 966 9143
    Expert Opin Med Diagn 1:213-23. 2007
    ..MRI is the most accurate imaging modality for the detection and characterization of diffuse and focal liver disease. In the expert opinion section, the authors refer to the advantages and challenges of 3.0T liver imaging...
  4. doi request reprint Objective evaluation of acute adverse events and image quality of gadolinium-based contrast agents (gadobutrol and gadobenate dimeglumine) by blinded evaluation. Pilot study
    Richard C Semelka
    Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 7510, USA
    Magn Reson Imaging 31:96-101. 2013
    ..The purpose was to objectively evaluate a recently FDA-approved gadolinium-based contrast agent (GBCA) in comparison to our standard GBCA for acute adverse events and image quality by blinded evaluation...
  5. pmc The American College of Radiology white paper on radiation dose in medicine:deep impact on the practice of cardiovascular imaging
    Eugenio Picano
    CNR, Institute of Clinical Physiology, Pisa, Italy
    Cardiovasc Ultrasound 5:37. 2007
    ..Were they be enacted, these simple recommendations would determine a revolution in the contemporary way of teaching, learning and practising cardiology...
  6. ncbi request reprint Immunoblastic large B-cell lymphoma of the peripancreatic head region: MR findings
    Evlampia A Psatha
    Department of Radiology of North Carolina Hospitals, Chapel Hill 27599 7510, USA
    Magn Reson Imaging 22:1053-7. 2004
    ..The tumor was closely applied to the lateral margin of the head of the pancreas. The constellation of MR findings was interpreted as consistent with the correct eventual diagnosis of lymphoma...
  7. ncbi request reprint Contrast agents for MR imaging of the liver
    R C Semelka
    Department of Radiology, University of North Carolina School of Medicine, CB 7510, Chapel Hill, NC 27599 7510, USA
    Radiology 218:27-38. 2001
    ..The clinical application of the different categories of contrast agents, techniques for their administration, sequences to be used, and appearances of common entities on contrast agent-enhanced studies are described...
  8. doi request reprint Objective determination of standard of care: use of blind readings by external radiologists
    Richard C Semelka
    Department of Radiology, University of North Carolina at Chapel Hill, 27599 7510, USA
    AJR Am J Roentgenol 195:429-31. 2010
    ..The purpose of this study was to determine whether specific findings determined to be critical and standard of care by expert witnesses in a legal case are identifiable by radiologists blinded to clinical outcome and litigation...
  9. doi request reprint MRI findings of posttraumatic intrahepatic vascular shunts
    Richard C Semelka
    Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599 7510, USA
    J Magn Reson Imaging 29:617-20. 2009
    ..To describe the features of posttraumatic intrahepatic vascular shunts (PIVS) as seen on MRI...
  10. ncbi request reprint Liver metastases: comparison of current MR techniques and spiral CT during arterial portography for detection in 20 surgically staged cases
    R C Semelka
    Department of Radiology, University of North Carolina at Chapel Hill 27599 7510, USA
    Radiology 213:86-91. 1999
    ....
  11. ncbi request reprint Focal lesions in normal liver
    Richard C Semelka
    Department of Radiology, University of North Carolina, School of Medicine, Chapel Hill, North Carolina 27599, USA
    J Gastroenterol Hepatol 20:1478-87. 2005
    ..Due to the high accuracy for liver lesion detection and characterization, and the intrinsic safety of the modality, MR should be considered the primary imaging tool to investigate liver diseases...
  12. ncbi request reprint Imaging strategies to reduce the risk of radiation in CT studies, including selective substitution with MRI
    Richard C Semelka
    Department of Radiology, University of North Carolina at Chapel Hill, 101 Manning Drive, Chapel Hill, NC 27599, USA
    J Magn Reson Imaging 25:900-9. 2007
    ..To address what should be done to ensure patient safety, in this review we discuss the "as low as reasonably achievable" (ALARA) principle, and the use of MRI as an alternative to CT...
  13. ncbi request reprint Magnetic resonance imaging of the liver: how I do it
    Richard C Semelka
    Department of Radiology, University of North Carolina, School of Medicine, Chapel Hill, NC 27599 7510, USA
    J Gastroenterol Hepatol 21:632-7. 2006
    ..The present paper provides a brief overview of the rationale behind magnetic resonance imaging (MRI) techniques, a description of the most common sequences used, and a general approach to performing liver MRI...
  14. doi request reprint MRI findings of rapidly progressive hepatocellular carcinoma
    Andrea S Kierans
    Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599 7510, USA
    Magn Reson Imaging 28:790-6. 2010
    ..The purpose of this study is to determine the magnetic resonance imaging (MRI) and patient characteristics in subjects with hepatocellular carcinoma (HCC) that exhibit rapid progression...
  15. doi request reprint Enhancement of abdominal organs on hepatic arterial phase: quantitative comparison between 1.5- and 3.0-T magnetic resonance imaging
    Jose A Goncalves Neto
    Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
    Magn Reson Imaging 28:47-55. 2010
    ..To compare the extent of enhancement of abdominal organs as shown on subphases of hepatic arterial phase quantitatively between 1.5- and 3.0-T MRI among patients with various abdominal conditions...
  16. ncbi request reprint Liver MR imaging: 1.5T versus 3T
    Miguel Ramalho
    Department of Radiology, University of North Carolina at Chapel Hill, CB 7510, 101 Manning Drive, Chapel Hill, NC 27599 7510, USA
    Magn Reson Imaging Clin N Am 15:321-47, vi. 2007
    ..Further research and development is necessary to overcome disadvantages, such as with in- and out-of phase T1-weighted gradient-echo sequences, and to minimize artifacts that appear at 3T...
  17. doi request reprint Thermoablative treatments for malignant liver lesions: 10-year experience of MRI appearances of treatment response
    Andrea S Kierans
    Department of Radiology, University of North Carolina Hospitals and University of North Carolina at Chapel Hill, 27599 7510, USA
    AJR Am J Roentgenol 194:523-9. 2010
    ..The objective of our study was to describe our 10-year experience using MRI to evaluate response to local thermoablative interventions in the treatment of malignant liver lesions...
  18. doi request reprint Early contrast enhancement of the liver: exact description of subphases using MRI
    Jose A Goncalves Neto
    Department of Radiology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
    Magn Reson Imaging 27:792-800. 2009
    ..The purpose of this study was to describe the subphases of early post-contrast enhancement of the liver, using vessel enhancement patterns, and correlate these findings with enhancement patterns of abdominal organs...
  19. doi request reprint MR findings of lithium-related kidney disease: preliminary observations in four patients
    Andreia Roque
    Department of Radiology, University of North Carolina, Chapel Hill, USA
    Abdom Imaging 37:140-6. 2012
    ..To describe MR features of the kidney in patients on chronic lithium therapy and to correlate findings with the level of renal impairment...