Hyun Jung Jang

Summary

Affiliation: University of Toronto
Country: Canada

Publications

  1. doi request reprint Perfusion and parenchymal changes related to vascular alterations of the liver
    Hyun Jung Jang
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, ON, Canada
    Abdom Imaging 37:404-21. 2012
  2. ncbi request reprint Enhancement patterns of hepatocellular carcinoma at contrast-enhanced US: comparison with histologic differentiation
    Hyun Jung Jang
    Department of Medical Imaging, University of Toronto, Toronto General Hospital, 585 University Ave, Toronto, ON, Canada M5G 2N2
    Radiology 244:898-906. 2007
  3. ncbi request reprint Imaging of malignant liver masses: characterization and detection
    Hyun Jung Jang
    Toronto General Hospital, University of Toronto, Ontario, Canada
    Ultrasound Q 22:19-29. 2006
  4. doi request reprint Imaging of focal liver lesions
    Hyun Jung Jang
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, Toronto, ON, Canada
    Semin Roentgenol 44:266-82. 2009
  5. pmc Contrast-enhanced ultrasound in the detection and characterization of liver tumors
    Hyun Jung Jang
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada
    Cancer Imaging 9:96-103. 2009
  6. ncbi request reprint Benign liver masses: imaging with microbubble contrast agents
    Tae Kyoung Kim
    Toronto General Hospital, University of Toronto, Ontario, Canada
    Ultrasound Q 22:31-9. 2006
  7. doi request reprint Real-time temporal maximum-intensity-projection imaging of hepatic lesions with contrast-enhanced sonography
    Stephanie R Wilson
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada
    AJR Am J Roentgenol 190:691-5. 2008
  8. doi request reprint Characterization of 1-to 2-cm liver nodules detected on hcc surveillance ultrasound according to the criteria of the American Association for the Study of Liver Disease: is quadriphasic CT necessary?
    Hyun Jung Jang
    Department of Medical Imaging, University of Toronto, Toronto General Hospital, 585 University Ave, Toronto, ON M5G 2N2, Canada
    AJR Am J Roentgenol 201:314-21. 2013
  9. ncbi request reprint Are metastases really hypovascular in the arterial phase? The perspective based on contrast-enhanced ultrasonography
    Jessica Murphy-Lavallee
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada
    J Ultrasound Med 26:1545-56. 2007
  10. ncbi request reprint Focal nodular hyperplasia and hepatic adenoma: differentiation with low-mechanical-index contrast-enhanced sonography
    Tae Kyoung Kim
    Department of Medical Imaging, Tornoto General Hospital, University of Tornoto, 585 University Ave, Toronto, ON M5G 2N2, Canada
    AJR Am J Roentgenol 190:58-66. 2008

Collaborators

Detail Information

Publications40

  1. doi request reprint Perfusion and parenchymal changes related to vascular alterations of the liver
    Hyun Jung Jang
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, ON, Canada
    Abdom Imaging 37:404-21. 2012
    ....
  2. ncbi request reprint Enhancement patterns of hepatocellular carcinoma at contrast-enhanced US: comparison with histologic differentiation
    Hyun Jung Jang
    Department of Medical Imaging, University of Toronto, Toronto General Hospital, 585 University Ave, Toronto, ON, Canada M5G 2N2
    Radiology 244:898-906. 2007
    ..To retrospectively compare the arterial and portal venous phase enhancement patterns of hepatocellular carcinoma (HCC) at contrast material-enhanced ultrasonography (US) with the degree of HCC histologic differentiation...
  3. ncbi request reprint Imaging of malignant liver masses: characterization and detection
    Hyun Jung Jang
    Toronto General Hospital, University of Toronto, Ontario, Canada
    Ultrasound Q 22:19-29. 2006
    ..Microbubble agents, confined to the intravascular space, may infrequently characterize malignancy by showing washout whereas CT or MR shows persistent enhancement due to interstitial distribution...
  4. doi request reprint Imaging of focal liver lesions
    Hyun Jung Jang
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, Toronto, ON, Canada
    Semin Roentgenol 44:266-82. 2009
    ..This article describes the features of commonly encountered benign and malignant liver lesions on sonography and contrast-enhanced dynamic imaging, including contrast-enhanced ultrasound (CEUS), CT, and MR imaging...
  5. pmc Contrast-enhanced ultrasound in the detection and characterization of liver tumors
    Hyun Jung Jang
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada
    Cancer Imaging 9:96-103. 2009
    ..The washout phenomenon of malignant tumors in general is useful to differentiate them from benign lesions...
  6. ncbi request reprint Benign liver masses: imaging with microbubble contrast agents
    Tae Kyoung Kim
    Toronto General Hospital, University of Toronto, Ontario, Canada
    Ultrasound Q 22:31-9. 2006
    ..Most benign liver masses show characteristic features on CEUS, allowing an accurate diagnosis. This review article describes typical enhancement features of common benign liver masses...
  7. doi request reprint Real-time temporal maximum-intensity-projection imaging of hepatic lesions with contrast-enhanced sonography
    Stephanie R Wilson
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada
    AJR Am J Roentgenol 190:691-5. 2008
    ..Following a high-intensity ultrasound pulse that disrupts bubbles within the scan plane, MIP images the trajectories of fresh bubbles replenishing the plane and revealing their course...
  8. doi request reprint Characterization of 1-to 2-cm liver nodules detected on hcc surveillance ultrasound according to the criteria of the American Association for the Study of Liver Disease: is quadriphasic CT necessary?
    Hyun Jung Jang
    Department of Medical Imaging, University of Toronto, Toronto General Hospital, 585 University Ave, Toronto, ON M5G 2N2, Canada
    AJR Am J Roentgenol 201:314-21. 2013
    ....
  9. ncbi request reprint Are metastases really hypovascular in the arterial phase? The perspective based on contrast-enhanced ultrasonography
    Jessica Murphy-Lavallee
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada
    J Ultrasound Med 26:1545-56. 2007
    ..The purpose of this study was to describe enhancement and vascularity characteristics of liver metastases on real-time low-mechanical index contrast-enhanced ultrasonography...
  10. ncbi request reprint Focal nodular hyperplasia and hepatic adenoma: differentiation with low-mechanical-index contrast-enhanced sonography
    Tae Kyoung Kim
    Department of Medical Imaging, Tornoto General Hospital, University of Tornoto, 585 University Ave, Toronto, ON M5G 2N2, Canada
    AJR Am J Roentgenol 190:58-66. 2008
    ..The purpose of our study was to determine the differentiating features of focal nodular hyperplasia (FNH) and hepatic adenoma on contrast-enhanced sonography...
  11. doi request reprint Does hepatic vein transit time performed with contrast-enhanced ultrasound predict the severity of hepatic fibrosis?
    An Tang
    Department of Medical Imaging, University of Toronto, Toronto General Hospital, University Health Network, Toronto, Ontario, Canada
    Ultrasound Med Biol 37:1963-9. 2011
    ..Further work investigating the different interaction of Definity, SonoVue and Levovist with the reticulo-endothelial system may help explain the discrepant results reported here...
  12. doi request reprint Pseudoenhancement within the local ablation zone of hepatic tumors due to a nonlinear artifact on contrast-enhanced ultrasound
    Hojun Yu
    Department of Medical Imaging, University of Toronto, Toronto General Hospital, 585 University Ave, Toronto, ON M5G 2N2, Canada
    AJR Am J Roentgenol 194:653-9. 2010
    ..The purpose of this study was to describe the imaging features of this artifact...
  13. doi request reprint Indeterminate 1-2-cm nodules found on hepatocellular carcinoma surveillance: biopsy for all, some, or none?
    Korosh Khalili
    Department of Medical Imaging, University of Toronto, Toronto, Ontario, Canada
    Hepatology 54:2048-54. 2011
    ..Limiting biopsy to nodules with arterial hypervascularity or in the presence of a synchronous typical HCC would detect the majority of HCCs while substantially reducing the number of biopsies...
  14. doi request reprint Hypervascular liver masses on contrast-enhanced ultrasound: the importance of washout
    Deepak Bhayana
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, 585 University Ave, Toronto, ON M5G 2N2, Canada
    AJR Am J Roentgenol 194:977-83. 2010
    ..The objective of our study was to determine the role of negative enhancement (washout), its presence and timing, in the differential diagnosis of hypervascular liver masses on contrast-enhanced ultrasound...
  15. doi request reprint Small nodules (1-2 cm) in liver cirrhosis: characterization with contrast-enhanced ultrasound
    Hyun Jung Jang
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, Toronto, Ontario M5G 2N2, Canada
    Eur J Radiol 72:418-24. 2009
    ..To determine the diagnostic efficacy of arterial phase contrast-enhanced ultrasound (CEUS) for characterizing small hepatic nodules (1-2 cm) in patients with high-risk for hepatocellular carcinoma (HCC)...
  16. ncbi request reprint Enhancement patterns of focal liver masses: discordance between contrast-enhanced sonography and contrast-enhanced CT and MRI
    Stephanie R Wilson
    Department of Medical Imaging, Toronto General Hospital, 585 University Ave, Toronto, ON, Canada, M5G 2N2
    AJR Am J Roentgenol 189:W7-W12. 2007
    ..Forty-four discordant cases were reviewed retrospectively...
  17. ncbi request reprint Impact of contrast-enhanced ultrasonography in a tertiary clinical practice
    Bina Lanka
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, Toronto, Ontario, Canada
    J Ultrasound Med 26:1703-14. 2007
    ..The purpose of this study was to assess the impact of contrast-enhanced ultrasonography (CEUS) of the liver in a tertiary clinical practice...
  18. ncbi request reprint Diagnosis of focal liver masses on ultrasonography: comparison of unenhanced and contrast-enhanced scans
    Stephanie R Wilson
    Department of Medical Imaging, Toronto General Hospital and University of Toronto, Toronto, Ontario, Canada
    J Ultrasound Med 26:775-87; quiz 788-90. 2007
    ..The purpose of this study was to compare the diagnostic accuracy, confidence level, and recommended management of focal liver masses after contrast-enhanced ultrasonography (CEUS) compared with unenhanced ultrasonography alone...
  19. ncbi request reprint Imaging diagnosis of hepatocellular carcinoma with differentiation from other pathology
    Tae Kyoung Kim
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, 585 University Avenue, Toronto, Ontario M5G 2N2, Canada
    Clin Liver Dis 9:253-79. 2005
    ..Intimate collaboration of hepatologists, pathologists, surgeons, and radiologists with reasonable imaging and clinical criteria estimating the degree of malignancy is imperative...
  20. ncbi request reprint Fading hepatic hemangiomas on multiphasic CT
    Samira Alturkistany
    Department of Medical Imaging, University of Toronto, Toronto General Hospital, 585 University Avenue, Toronto, ON, M5G 2N2, Canada
    Abdom Imaging 37:775-80. 2012
    ..To describe fading hemangiomas [substantially lower attenuation (>30 HU) than vascular pool in the portal venous phase (PVP)] and to determine their incidence and characteristics on multiphasic CT...
  21. doi request reprint Analysis of gadobenate dimeglumine-enhanced MR findings for characterizing small (1-2-cm) hepatic nodules in patients at high risk for hepatocellular carcinoma
    Tae Kyoung Kim
    Department of Medical Imaging, University of Toronto, Toronto General Hospital, 585 University Ave, Toronto, ON, Canada M5G 2N2
    Radiology 259:730-8. 2011
    ....
  22. doi request reprint Hepatocellular nodules in liver cirrhosis: contrast-enhanced ultrasound
    Tae Kyoung Kim
    Department of Medical Imaging, Toronto General Hospital, University of Toronto, ON, Canada
    Abdom Imaging 36:244-63. 2011
    ..CEUS can be effectively used in the diagnostic algorithm of small (1-2 cm) newly detected nodules during HCC surveillance...
  23. doi request reprint Comparison of low dose with standard dose abdominal/pelvic multidetector CT in patients with stage 1 testicular cancer under surveillance
    Martin E O'Malley
    Joint Department of Medical Imaging, Princess Margaret Hospital, Toronto, ON, Canada
    Eur Radiol 20:1624-30. 2010
    ..To compare the image quality and acceptability of a low dose with those of standard dose abdominal/pelvic multidetector CT in patients with stage 1 testicular cancer managed by surveillance...
  24. doi request reprint Optimization of imaging diagnosis of 1-2 cm hepatocellular carcinoma: an analysis of diagnostic performance and resource utilization
    Korosh Khalili
    Department of Medical Imaging, University of Toronto, Canada
    J Hepatol 54:723-8. 2011
    ..To determine the optimal imaging scan or combinations in terms of diagnostic performance and resource utilization for 1-2 cm nodules found on surveillance for hepatocellular carcinoma...
  25. doi request reprint Iterative reconstruction algorithm for CT: can radiation dose be decreased while low-contrast detectability is preserved?
    Sebastian T Schindera
    Department of Medical Imaging, University Health Network, University of Toronto, Toronto, Ont, Canada Clinic of Radiology and Nuclear Medicine, University Hospital Basel, Petersgraben 4, CH 4031 Basel, Switzerland
    Radiology 269:511-8. 2013
    ..To compare the low-contrast detectability and image quality of computed tomography (CT) at different radiation dose levels reconstructed with iterative reconstruction (IR) and filtered back projection (FBP)...
  26. doi request reprint Evaluation of upper urinary tract tumors with portal venous phase MDCT: a case-control study
    Max Kupershmidt
    Joint Department of Medical Imaging, University Health Network, Mount Sinai Hospital and Women s College Hospital, University of Toronto, 610 University Ave, Toronto, ON M5G 2M9, Canada
    AJR Am J Roentgenol 197:424-8. 2011
    ..The purpose of this article is to assess the detection and negative prediction rate of upper urinary tract tumors in nonopacified urinary tracts on portal venous phase MDCT...
  27. doi request reprint IgG4-related sclerosing disease: autoimmune pancreatitis and extrapancreatic manifestations
    Paraskevi A Vlachou
    Department of Medical Imaging and Pathology, University of Toronto, Toronto, Canada
    Radiographics 31:1379-402. 2011
    ..It is important to recognize multiorgan involvement of IgG4-related sclerosing disease and be familiar with its clinical and imaging features because it demonstrates a favorable response to treatment...
  28. ncbi request reprint Portal and hepatic vein thrombosis in liver abscess: CT findings
    Mohammed Aejaz Syed
    Department of Medical Imaging, University Health Networks and Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
    Eur J Radiol 61:513-9. 2007
    ..Our aim is to describe imaging findings of portal and hepatic vein thrombosis in pyogenic liver abscess on contrast-enhanced MDCT and to determine the incidence and evolving patterns on follow-up imaging...
  29. doi request reprint Abernethy malformation type II with nephrotic syndrome and other multisystemic presentation: an illustrative case for understanding pathogenesis of extrahepatic complication of congenital portosystemic shunt
    David F Schaeffer
    Department of Laboratory Medicine and Pathology, University of Toronto, Toronto, Ontario, Canada
    Hum Pathol 44:432-7. 2013
    ..We also propose a pathogenetic basis for this multisystemic presentation that includes release into the systemic circulation of unfiltered bacteria, vasoactive substances, and immunoglobulin A-antigen complexes...
  30. pmc Understanding the natural history of focal nodular hyperplasia in the liver with MRI
    Jaydeep A Halankar
    Department of Medical Imaging, University Health Network, Mount Sinai Hospital and Women s College Hospital, University of Toronto, Toronto, ON, Canada
    Indian J Radiol Imaging 22:116-20. 2012
    ..To determine the incidence of natural growth or regression of focal nodular hyperplasia (FNH) in the liver...
  31. doi request reprint Biliary anatomy in potential right hepatic lobe living donor liver transplantation (LDLT): the utility of CT cholangiography in the setting of inconclusive MRCP
    Sean E McSweeney
    Joint Department of Medical Imaging, University Health Network, Mount Sinai Hospital, Canada
    Eur J Radiol 81:6-12. 2012
    ..To determine the utility of CT cholangiography (CT-Ch) in preoperative evaluation of the biliary anatomy of living-donor liver transplantation (LDLT) donors when magnetic resonance cholangiopancreatography (MRCP) is inconclusive...
  32. ncbi request reprint Value of the unenhanced phase for detection of hepatocellular carcinomas 3 cm or less when performing multiphase computed tomography in patients with cirrhosis
    Deirdre J Doyle
    Department of Medical Imaging, Mount Sinai Hospital University Health Network, University of Toronto, Ontario, Canada
    J Comput Assist Tomogr 31:86-92. 2007
    ..To determine whether unenhanced images are of added benefit to dual-phase computed tomography (CT) for detection of hepatocellular carcinomas (HCCs) 3 cm or less...
  33. ncbi request reprint Small hypoattenuating lesions in the liver on single-phase helical CT in preoperative patients with gastric and colorectal cancer: prevalence, significance, and differentiating features
    Hyun Jung Jang
    Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50, IlWon Dong, Kangnam gu 135 710, Seoul, Korea
    J Comput Assist Tomogr 26:718-24. 2002
    ....
  34. ncbi request reprint Hepatic hemangioma: atypical appearances on CT, MR imaging, and sonography
    Hyun Jung Jang
    Radiation Medicine Branch, Research Institute, National Cancer Center, 809 Madu 1 dong, Ilsan gu, Goyang si, Gyeonggi Do, 411 764, Korea
    AJR Am J Roentgenol 180:135-41. 2003
  35. pmc Focal hepatic lesions: evaluation with contrast-enhanced gray-scale harmonic US
    Hyun Jung Jang
    Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Kangnam Gu, Seoul, Korea
    Korean J Radiol 4:91-100. 2003
    ..To determine the findings of various focal hepatic lesions at contrast-enhanced gray-scale ultrasound (US) using a coded harmonic angio (CHA) technique and emphasizing lesion characterization...
  36. pmc Focal eosinophilic necrosis of the liver in patients with underlying gastric or colorectal cancer: CT differentiation from metastasis
    Hyun Jung Jang
    Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
    Korean J Radiol 3:240-4. 2002
    ..To determine the helical CT findings which help differentiate between focal eosinophilic necrosis (FEN) of the liver and metastasis in patients with underlying gastric or colorectal cancer...
  37. ncbi request reprint Indeterminate small, low-attenuating hepatocellular nodules on helical CT in patients with chronic liver disease: 2-year follow-up
    Jung Wook Seo
    Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, 50 Ilwon Dong, Seoul 135 710, Republic of Korea
    Clin Imaging 29:266-72. 2005
    ..Some low-attenuating nodules larger than 10 mm in diameter may develop into hepatocellular carcinoma...
  38. ncbi request reprint Assessment of therapeutic response in hepatocellular carcinoma treated with percutaneous radio frequency ablation: comparison of multiphase helical computed tomography and power Doppler ultrasonography with a microbubble contrast agent
    Dongil Choi
    Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
    J Ultrasound Med 21:391-401. 2002
    ..To compare the results of multiphase helical computed tomography and power Doppler ultrasonography with a microbubble contrast agent in the assessment of the therapeutic response to radio frequency ablation in hepatocellular carcinoma...
  39. doi request reprint Early hepatocellular carcinoma: pathology, imaging, and therapy
    Tadatoshi Takayama
    Department of Digestive Surgery, Nihon University School of Medicine, Tokyo, Japan
    Ann Surg Oncol 15:972-8. 2008
    ..In 1987, Japanese researchers proposed to define the pathological concept of early hepatocellular carcinoma (HCC). However, there are some conceptual differences between the East and the West in the diagnosis and treatment of early HCC...
  40. ncbi request reprint Plasma levels of D-dimer and soluble fibrin polymer in patients with hepatocellular carcinoma: a possible predictor of tumor thrombosis
    Hyun Kyung Kim
    Research Institute and Hospital, National Cancer Center, 809, Madu 1, Ilsan, Goyang, Gyeonggi, 411 764, South Korea
    Thromb Res 109:125-9. 2003
    ....