Benjamin Yeh

Summary

Affiliation: University of California
Country: USA

Publications

  1. ncbi MR imaging and CT of the biliary tract
    Benjamin M Yeh
    Department of Radiology, University of California San Francisco, 505 Parnassus Ave, Box 0628, M 372, San Francisco, CA 94143 0628, USA
    Radiographics 29:1669-88. 2009
  2. ncbi Dual-energy and low-kVp CT in the abdomen
    Benjamin M Yeh
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, Box 0628, M 372, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    AJR Am J Roentgenol 193:47-54. 2009
  3. ncbi Has the time arrived to image placental perfusion?
    Benjamin M Yeh
    Department of Radiology, University of California, San Francisco, 521 Parnassus Ave, Rm C 324C, Box 0628, San Francisco, CA 94143 0628, USA
    Radiology 241:633-4. 2006
  4. ncbi Predicting biliary complications in right lobe liver transplant recipients according to distance between donor's bile duct and corresponding hepatic artery
    Benjamin M Yeh
    Department of Radiology, University of California San Francisco, Box 0628, C 324C, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    Radiology 242:144-51. 2007
  5. ncbi Vascular contact with soft tissue: a sign of mesenteric masses at computed tomography
    Benjamin M Yeh
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 32:185-90. 2008
  6. ncbi Juvenile xanthogranuloma of the heart and liver: MRI, sonographic, and CT appearance
    Benjamin M Yeh
    Department of Radiology, University of California, San Francisco, Box 0628, M-372, 505 Parnassus Ave, San Francisco, CA 94143-0628, USA
    AJR Am J Roentgenol 189:W202-4. 2007
  7. ncbi Evaluation of the biliary intestinal limb of a Roux-en-Y choledochojejunostomy using computed tomographic cholangiography
    Benjamin M Yeh
    Department of Radiology, University of California, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 32:886-9. 2008
  8. ncbi Computed tomography of the acute abdomen in patients with atrial fibrillation
    Stephen J Hunt
    Department of Radiology, University of California San Francisco, San Francisco, CA, USA
    J Comput Assist Tomogr 33:280-5. 2009
  9. ncbi Concordance of second-order portal venous and biliary tract anatomies on MDCT angiography and MDCT cholangiography
    James S Chen
    Abdominal Imaging, Department of Radiology, University of California, San Francisco, Box 0628, C 324C, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    AJR Am J Roentgenol 184:70-4. 2005
  10. ncbi CT cholangiography in potential liver donors: effect of premedication with intravenous morphine on biliary caliber and visualization
    Richard S Breiman
    Departments of Radiology and Surgery, University of California San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143 0628, USA
    Radiology 247:733-7. 2008

Research Grants

  1. CT Monitoring of Angiogenesis
    Benjamin Yeh; Fiscal Year: 2007
  2. CT Monitoring of Angiogenesis
    Benjamin Yeh; Fiscal Year: 2009
  3. CT Monitoring of Angiogenesis
    Benjamin M Yeh; Fiscal Year: 2010

Detail Information

Publications90

  1. ncbi MR imaging and CT of the biliary tract
    Benjamin M Yeh
    Department of Radiology, University of California San Francisco, 505 Parnassus Ave, Box 0628, M 372, San Francisco, CA 94143 0628, USA
    Radiographics 29:1669-88. 2009
    ..The rapidly evolving technology for both MR imaging and CT of the biliary tract will continue to present radiologists with opportunities as well as challenges...
  2. ncbi Dual-energy and low-kVp CT in the abdomen
    Benjamin M Yeh
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, Box 0628, M 372, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    AJR Am J Roentgenol 193:47-54. 2009
    ..Further clinical research and technique refinement will be needed as the usage of these exciting technologies spreads...
  3. ncbi Has the time arrived to image placental perfusion?
    Benjamin M Yeh
    Department of Radiology, University of California, San Francisco, 521 Parnassus Ave, Rm C 324C, Box 0628, San Francisco, CA 94143 0628, USA
    Radiology 241:633-4. 2006
    ..Clearly, much work lies ahead before functional evaluation of the placenta becomes a clinical reality, but contrast-enhanced imaging shows promise for functional evaluation of placental disease...
  4. ncbi Predicting biliary complications in right lobe liver transplant recipients according to distance between donor's bile duct and corresponding hepatic artery
    Benjamin M Yeh
    Department of Radiology, University of California San Francisco, Box 0628, C 324C, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    Radiology 242:144-51. 2007
    ..To retrospectively determine whether biliary complications in recipients of living-donor right lobe liver grafts can be predicted at pretransplantation donor computed tomography (CT)...
  5. ncbi Vascular contact with soft tissue: a sign of mesenteric masses at computed tomography
    Benjamin M Yeh
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 32:185-90. 2008
    ..To evaluate prevalence of mesenteric vascular contact at routine computed tomography (CT) and evaluate its value for distinguishing missed mesenteric masses from adjacent bowel...
  6. ncbi Juvenile xanthogranuloma of the heart and liver: MRI, sonographic, and CT appearance
    Benjamin M Yeh
    Department of Radiology, University of California, San Francisco, Box 0628, M-372, 505 Parnassus Ave, San Francisco, CA 94143-0628, USA
    AJR Am J Roentgenol 189:W202-4. 2007
  7. ncbi Evaluation of the biliary intestinal limb of a Roux-en-Y choledochojejunostomy using computed tomographic cholangiography
    Benjamin M Yeh
    Department of Radiology, University of California, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 32:886-9. 2008
    ..We conclude that CT cholangiography may help clarify the status of a Roux-en-Y choledochojejunostomy...
  8. ncbi Computed tomography of the acute abdomen in patients with atrial fibrillation
    Stephen J Hunt
    Department of Radiology, University of California San Francisco, San Francisco, CA, USA
    J Comput Assist Tomogr 33:280-5. 2009
    ..To investigate the frequency and basis of clinically relevant computed tomographic (CT) findings in patients with atrial fibrillation and acute abdominal pain...
  9. ncbi Concordance of second-order portal venous and biliary tract anatomies on MDCT angiography and MDCT cholangiography
    James S Chen
    Abdominal Imaging, Department of Radiology, University of California, San Francisco, Box 0628, C 324C, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    AJR Am J Roentgenol 184:70-4. 2005
    ..We sought to investigate the concordance between second-order portal venous and biliary tract anatomies using MDCT angiography and MDCT cholangiography...
  10. ncbi CT cholangiography in potential liver donors: effect of premedication with intravenous morphine on biliary caliber and visualization
    Richard S Breiman
    Departments of Radiology and Surgery, University of California San Francisco, 505 Parnassus Ave, Box 0628, San Francisco, CA 94143 0628, USA
    Radiology 247:733-7. 2008
    ..To retrospectively determine whether premedication with intravenously administered morphine improves bile duct caliber and visualization in potential liver donors undergoing computed tomographic (CT) cholangiography...
  11. ncbi Computed tomographic appearance of Prolene Hernia System and polypropylene mesh plug inguinal hernia repair
    Victor H W Yeung
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 32:529-32. 2008
    ..To describe the normal postoperative computed tomographic (CT) appearance of inguinal hernia repair with the Prolene (polypropylene) Hernia System and polypropylene mesh plug...
  12. ncbi Prognostic importance of superior diaphragmatic adenopathy at computed tomography in patients with resectable hepatic metastases from colorectal carcinoma
    Rizwan Aslam
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 32:173-7. 2008
    ..To determine the prognostic importance of superior diaphragmatic adenopathy at CT in patients with resectable hepatic metastases from colorectal carcinoma...
  13. ncbi Small hypoattenuating hepatic lesions at contrast-enhanced CT: prognostic importance in patients with breast cancer
    George A Krakora
    Department of Radiology, University of California San Francisco, Box 0628, M-372, 505 Parnassus Ave, San Francisco, CA 94143-0628, USA
    Radiology 233:667-73. 2004
    ....
  14. ncbi Computed tomographic distinction of perirenal liposarcoma from exophytic angiomyolipoma: a feature analysis study
    James J Ellingson
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 32:548-52. 2008
    ..To identify computed tomographic (CT) findings that distinguish perirenal liposarcomas from exophytic angiomyolipomas...
  15. ncbi Risk of injury to adjacent organs with lower-pole fluoroscopically guided percutaneous nephrostomy: evaluation with prone, supine, and multiplanar reformatted CT
    Dana N Tuttle
    Department of Radiology, University of California San Francisco, Box 0628, M-372, 505 Parnassus Avenue, San Francisco, California 94143-0628, USA
    J Vasc Interv Radiol 16:1489-92. 2005
    ....
  16. ncbi Living donor candidates for right hepatic lobe transplantation: evaluation at CT cholangiography--initial experience
    Zhen J Wang
    Department of Radiology, University of California San Francisco, Box 0628, C-324C, 505 Parnassus Ave, San Francisco, CA 94143-0628, USA
    Radiology 235:899-904. 2005
    ....
  17. ncbi Use of CT cholangiography to evaluate the biliary tract after liver transplantation: initial experience
    Gregg A Miller
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143-0628, USA
    Liver Transpl 10:1065-70. 2004
    ..In conclusion, it was determined that multidetector-row CT cholangiography may be a useful modality for demonstrating patent biliary-enteric anastomoses and excluding flow-limiting biliary anastomotic strictures...
  18. ncbi Liver fat: effect of hepatic iron deposition on evaluation with opposed-phase MR imaging
    Antonio C A Westphalen
    Department of Radiology, University of California San Francisco, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    Radiology 242:450-5. 2007
    ..To retrospectively determine the effect of liver iron deposition on the evaluation of liver fat by using opposed-phase magnetic resonance (MR) imaging...
  19. ncbi Acute appendicitis: clinical outcome in patients with an initial false-positive CT diagnosis
    Joseph W Stengel
    Department of Radiology, University of California, San Francisco, San Francisco, CA 94143 0628, USA
    Radiology 256:119-26. 2010
    ..To investigate the clinical outcome in patients with a diagnosis of appendicitis at computed tomography (CT) in whom treatment is deemed unnecessary after clinical evaluation...
  20. ncbi Differential diagnosis of perinephric masses on CT and MRI
    Antonio Westphalen
    Department of Radiology, University of California-San Francisco, 505 Parnassus Ave, Rm. M-372, Box 0628, San Francisco, CA 94143-0628, USA
    AJR Am J Roentgenol 183:1697-702. 2004
  21. ncbi Colonic wall redundancy at CT in patients with cystic fibrosis
    Emily M Webb
    Department of Radiology, Section of Pulmonary and Critical Care, University of California San Francisco, M372, Box 0628, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    Radiology 248:869-75. 2008
    ..To describe the appearance, prevalence, and possible associations of colonic wall redundancy in patients with cystic fibrosis (CF)...
  22. ncbi Accuracy of liver fat quantification at MR imaging: comparison of out-of-phase gradient-echo and fat-saturated fast spin-echo techniques--initial experience
    Aliya Qayyum
    Department of Radiology, University of California San Francisco, CA 94143 0628, USA
    Radiology 237:507-11. 2005
    ....
  23. ncbi Anterior layering of excreted 18F-FDG in the bladder on PET/CT: frequency and cause
    Derk D Purcell
    Department of Radiology, University of California, San Francisco, Box 0628, M 392, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    AJR Am J Roentgenol 189:W96-9. 2007
    ..v. iodinated contrast material and is due to displacement of FDG by excreted iodinated contrast material; this phenomenon may unmask FDG-avid bladder disease...
  24. ncbi Peripheral zone prostate cancer: accuracy of different interpretative approaches with MR and MR spectroscopic imaging
    Antonio C Westphalen
    Department of Radiology, University of California San Francisco, 505 Parnassus Ave, Box 0628, M 372, San Francisco, CA 94143 0628, USA
    Radiology 246:177-84. 2008
    ....
  25. ncbi Renal cyst pseudoenhancement at multidetector CT: what are the effects of number of detectors and peak tube voltage?
    Zhen J Wang
    Department of Radiology, University of California San Francisco, 505 Parnassus Ave, Box 0628, C 372C, San Francisco, CA 94143 0628, USA
    Radiology 248:910-6. 2008
    ..To determine the effect of the number of detectors and peak tube voltage on renal cyst pseudoenhancement in a phantom model...
  26. ncbi Frequency of hepatic contour abnormalities and signs of portal hypertension at CT in patients receiving chemotherapy for breast cancer metastatic to the liver
    Aliya Qayyum
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    Clin Imaging 31:6-10. 2007
    ..This study aimed to determine the frequency of hepatic contour abnormalities and signs of portal hypertension at serial CT in patients receiving chemotherapy for breast cancer metastatic to the liver...
  27. ncbi Gallstone detection at CT in vitro: effect of peak voltage setting
    Wesley C Chan
    Department of Radiology, University of California San Francisco, 505 Parnassus Ave, San Francisco, CA 94143-0628, USA
    Radiology 241:546-53. 2006
    ..0 cm in diameter, P < .05 for each reader). CT attenuation measurements were not useful for determination of gallstone composition. Abdominal CT performed at 140 kVp may be useful when gallstone disease is of clinical concern...
  28. ncbi Solitary fibrous tumor of the male pelvis: findings at CT with histopathologic correlation
    Bonnie N Joe
    Department of Radiology, University of California San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143 0628, USA
    Clin Imaging 32:403-6. 2008
    ..Although CT initially suggested the prostate as the site of origin for this tumor, no prostate involvement was found at surgery; CT accurately excluded bladder and rectal involvement...
  29. ncbi Frequency and histopathologic basis of hepatic surface nodularity in patients with fulminant hepatic failure
    Jason A Poff
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    Radiology 249:518-23. 2008
    ..To determine the frequency and histopathologic basis of hepatic surface nodularity at imaging in patients with fulminant hepatic failure...
  30. ncbi Urinary oxygen tension measurement in humans using magnetic resonance imaging
    Zhen J Wang
    Department of Radiology, University of California San Francisco, Abdominal Imaging, San Francisco, CA 94143 0628, USA
    Acad Radiol 15:1467-73. 2008
    ..We sought to assess the feasibility of magnetic resonance (MR) quantification of urinary PO(2) in humans...
  31. ncbi Visualization of renal medullary hyperattenuation at unenhanced CT: what is the effect of furosemide administration?
    Rahi Kumar
    Department of Radiology, University of California San Francisco, 505 Parnassus Ave, Box 0628, C 372C, San Francisco, CA 94143 0628, USA
    Radiology 255:495-500. 2010
    ..To retrospectively investigate the effects of furosemide on the visualization of renal medullary hyperattenuation at unenhanced computed tomography (CT)...
  32. ncbi Computed tomography findings in pseudothrombosis of the iliofemoral vein
    Gaurav Desai
    Department of Radiology, University of California, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 34:146-8. 2010
    ..Examination of axial and reformatted images may facilitate recognition and help avoid an erroneous diagnosis of deep venous thrombosis...
  33. ncbi Azygos arch valves: prevalence and appearance at contrast-enhanced CT
    Benjamin M Yeh
    Departments of Radiology and Pathology, University of California San Francisco, 505 Parnassus Ave, Box 0628, M 372, San Francisco, CA 94143 0628, USA
    Radiology 230:111-5. 2004
    ..To evaluate the prevalence and appearance of azygos arch valves at intravenous contrast material-enhanced computed tomography (CT)...
  34. ncbi Ectopic ureter associated with uterine didelphys and obstructed hemivagina: preoperative diagnosis by MRI
    Zhen J Wang
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    Pediatr Radiol 40:358-60. 2010
    ..Accurate preoperative diagnosis of ectopic ureteral insertion associated with this syndrome is important for surgical planning...
  35. ncbi Multidetector row CT urography: does supine or prone positioning produce better pelvecalyceal and ureteral opacification?
    Zhen J Wang
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    Clin Imaging 33:369-73. 2009
    ..To evaluate whether supine or prone positioning improves pelvicalyceal and ureteral opacification at multi-detector row computed tomographic (CT) urography...
  36. ncbi Precaval right renal arteries: prevalence and morphologic associations at spiral CT
    Benjamin M Yeh
    Department of Radiology, University of California San Francisco, 505 Parnassus Ave, Box 0628, C 324C, San Francisco, CA 94143 0628, USA
    Radiology 230:429-33. 2004
    ..To determine the prevalence and morphologic associations of precaval right renal arteries at spiral computed tomography (CT)...
  37. ncbi Biliary tract depiction in living potential liver donors: comparison of conventional MR, mangafodipir trisodium-enhanced excretory MR, and multi-detector row CT cholangiography--initial experience
    Benjamin M Yeh
    Department of Radiology, University of California San Francisco, Box 0628, C 324C, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    Radiology 230:645-51. 2004
    ..To compare biliary tract depiction in living potential liver donors at conventional magnetic resonance (MR), mangafodipir trisodium-enhanced excretory MR, and multi-detector row computed tomographic (CT) cholangiography...
  38. ncbi Frequency and etiology of midesophageal diverticula at barium esophagography
    Donna Hoghooghi
    Department of Radiology, University of California San Francisco, 505 Parnassus Avenue, 94143-0628, USA
    Clin Imaging 30:245-7. 2006
    ..We conclude that most, if not all, midesophageal diverticula are pulsion in etiology, and the detection of a midesophageal diverticulum should prompt a careful search for underlying dysmotility...
  39. ncbi Spectrum of CT findings in patients with atrial fibrillation and nontraumatic acute abdomen
    Ramon F Barajas
    Department of Radiology, University of California San Francisco, Box 0628, M 372, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    AJR Am J Roentgenol 193:485-92. 2009
    ..CONCLUSION: Underlying embolic or hemorrhagic complications are common in patients with acute nontraumatic abdominal pain in the setting of atrial fibrillation and can be accurately seen on CT...
  40. ncbi The equivocal appendix at CT: prevalence in a control population
    Emily M Webb
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    Emerg Radiol 17:57-61. 2010
    ..While appendicitis could undoubtedly occur in an isodense appendix between 6 and 10 mm in diameter, such an appearance can occur in up to 6.6% of the normal population...
  41. ncbi Clinical relevance of retrograde inferior vena cava or hepatic vein opacification during contrast-enhanced CT
    Benjamin M Yeh
    Department of Radiology, University of California San Francisco, 521 Parnassus Avenue, Rm C 324C, Box 0628, San Francisco, CA 94143 0628, USA
    AJR Am J Roentgenol 183:1227-32. 2004
    ..The purpose of this investigation was to explore the clinical relevance of retrograde inferior vena cava or hepatic vein opacification during contrast-enhanced CT...
  42. ncbi The characterization of small hypoattenuating renal masses on contrast-enhanced CT
    Neesha S Patel
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    Clin Imaging 33:295-300. 2009
    ..To determine if small hypoattenuating renal masses can be characterized as simple cysts or renal cell carcinomas on contrast-enhanced computed tomography (CT)...
  43. ncbi Appendiceal wall thickening at CT in asymptomatic patients with extraintestinal malignancy may mimic appendicitis
    Emily M Webb
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    Clin Imaging 33:200-3. 2009
    ..This potential mimic of appendicitis may occur in up to 2% of cancer patients. Awareness of this pitfall is important to avoid unnecessary laparotomy in this patient population...
  44. ncbi In vivo monitoring of angiogenesis inhibitory treatment effects by dynamic contrast-enhanced computed tomography in a xenograft tumor model
    Hans Juergen Raatschen
    Department of Radiology, University of California, San Francisco, CA 94143, USA
    Invest Radiol 44:265-70. 2009
    ..To evaluate the potential of dynamic CT enhanced by iohexol or a novel macromolecular contrast agent, PEG12000-Gen4-triiodo, to monitor microvascular changes in tumors treated with the angiogenesis inhibitor bevacizumab...
  45. ncbi Magnetic resonance imaging of massive ovarian edema in pregnancy
    Fergus V Coakley
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 34:865-7. 2010
    ..These findings support the concept that massive ovarian edema in pregnancy reflects chronic partial ovarian torsion...
  46. ncbi Evaluation of diffuse liver steatosis by ultrasound, computed tomography, and magnetic resonance imaging: which modality is best?
    Aliya Qayyum
    Department of Radiology, University of California San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143 0628, USA
    Clin Imaging 33:110-5. 2009
    ..To compare ultrasound, computed tomography (CT), and magnetic resonance imaging (MRI) determination of diffuse liver steatosis...
  47. ncbi Multi-detector row computed tomographic appearance of celiac ganglia
    Zhen J Wang
    Department of Radiology, University of California, San Francisco, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 34:343-7. 2010
    ..To assess the imaging features of celiac ganglia on multi-detector row computed tomography (MDCT)...
  48. ncbi CT radiation dose: what can you do right now in your practice?
    Fergus V Coakley
    Department of Radiology, University of California San Francisco, 94143 0628, USA
    AJR Am J Roentgenol 196:619-25. 2011
    ....
  49. ncbi Initial computed tomography imaging experience using a new macromolecular iodinated contrast medium in experimental breast cancer
    Gerhard H Simon
    Center for Pharmaceutical and Molecular Imaging CPMI, Department of Radiology, University of California San Francisco, San Francisco, California 94143, USA
    Invest Radiol 40:614-20. 2005
    ....
  50. ncbi Predicting strangulated small bowel obstruction: an old problem revisited
    Tim Jancelewicz
    Department of General Surgery, University of California, San Francisco, 513 Parnassus Av S320, San Francisco, CA 94143, USA
    J Gastrointest Surg 13:93-9. 2009
    ..Our goal was to determine which clinical indicators in patients with SBO can be used to independently predict the presence of strangulated intestine...
  51. ncbi Precaval right renal artery: description and embryologic origin
    Maxwell V Meng
    Department of Urology, University of California, San Francisco, School of Medicine, San Francisco, California 94143-0738, USA
    Urology 60:402-5. 2002
    ..The renal artery to the lower pole develops and persists after the posterior cardinal vein has become the inferior vena cava but before gonadal descent...
  52. ncbi Is assessing renal oxygenation by using blood oxygen level-dependent MR imaging a clinical reality?
    Zhen J Wang
    Department of Radiology, University of California San Francisco, Box 0628, M372, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    Radiology 247:595-6. 2008
  53. ncbi Magnetic resonance imaging of hepatocellular carcinoma mimicking focal nodular hyperplasia: a potential pitfall in patients with cirrhosis?
    Olga Rafaelian
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 30:796-9. 2006
    ..Recognition that hepatocellular carcinoma may mimic focal nodular hyperplasia in patients with cirrhosis may prevent misdiagnosis and allow for earlier intervention...
  54. ncbi Intrahepatic portal-to-portal venous shunts in cirrhosis: a potential mimic of hepatocellular carcinoma
    Juergen Lutz
    Department of Radiology, University of California at San Francisco, San Francisco, CA 94143-0628, USA
    J Comput Assist Tomogr 28:520-2. 2004
    ..Recognition of intrahepatic portal-to-portal venous shunts as a rare mimic of hepatocellular carcinoma in cirrhosis should prevent misinterpretation or inappropriate management...
  55. ncbi Timing bolus dynamic contrast-enhanced (DCE) MRI assessment of hepatic perfusion: Initial experience
    Simon Baxter
    Department of Radiology, University of California, San Francisco, San Francisco, California, USA
    J Magn Reson Imaging 29:1317-22. 2009
    ..To assess whether dynamic contrast-enhanced (DCE) MRI timing bolus data from routine clinical examinations can be postprocessed to obtain hepatic perfusion parameters for diagnosing cirrhosis...
  56. ncbi CT of benign hypervascular liver nodules in autoimmune hepatitis
    Aliya Qayyum
    Department of Radiology, University of California-San Francisco, 505 Parnassus Ave, San Francisco, CA 94143-0628, USA
    AJR Am J Roentgenol 183:1573-6. 2004
    ..This phenomenon is important to recognize because of the potential for confusion with hepatocellular carcinoma...
  57. ncbi Delayed enhancement of ascites after i.v. contrast material administration at CT: time course and clinical correlation
    Nancy Benedetti
    Department of Radiology and Biomedical Imaging, University of California at San Francisco, Box 0628, M 372, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    AJR Am J Roentgenol 193:732-7. 2009
    ..The objective of our study was to determine the prevalence and clinical predictors of delayed contrast enhancement of ascites...
  58. ncbi Computed tomography findings mimicking appendicitis as a manifestation of colorectal cancer
    Richard E Watchorn
    Department of Radiology, University of California, 505 Parnassus Avenue, San Francisco, CA 94143 0628, USA
    Clin Imaging 33:430-2. 2009
    ..This study highlights the need to closely examine the ascending colon in patients with a suspected CT diagnosis of acute appendicitis, since these findings may be secondary to an inconspicuous colorectal carcinoma...
  59. ncbi Growth rate of hepatocellular carcinoma: evaluation with serial computed tomography or magnetic resonance imaging
    Bachir Taouli
    Department of Radiology, University of California, San Francisco, CA, USA
    J Comput Assist Tomogr 29:425-9. 2005
    ..To evaluate the growth rate of untreated hepatocellular carcinoma (HCC) by calculating tumor volume doubling time (TVDT) on serial computed tomography (CT) or magnetic resonance imaging (MRI) and to predict TVDT based on initial tumor size...
  60. ncbi Minor morphologic abnormalities of adrenal glands at CT: prognostic importance in patients with lung cancer
    Nicole Benitah
    Department of Radiology, University of California-San Francisco, Box 0628, M-372, 505 Parnassus Ave, San Francisco, CA 94143-0628, USA
    Radiology 235:517-22. 2005
    ..20 for readers 1 and 2, respectively). CONCLUSION: In patients with lung cancer, smooth enlargement or nodularity of the adrenal glands at baseline CT is not associated with increased risk of subsequently developing adrenal metastases...
  61. ncbi CT and MRI of hepatic contour abnormalities
    Jafi A Lipson
    Department of Radiology, University of California-San Francisco, 505 Parnassus Ave, Rm. M-372, San Francisco, CA 94143-0628, USA
    AJR Am J Roentgenol 184:75-81. 2005
  62. ncbi New macromolecular polymeric MRI contrast agents for application in the differentiation of cancer from benign soft tissues
    Clemens C Cyran
    Center for Pharmaceutical and Molecular Imaging, Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    J Magn Reson Imaging 27:581-9. 2008
    ....
  63. ncbi Symptomatic perirenal serous cysts of müllerian origin mimicking renal cysts on CT
    Thomas X Minor
    Department of Urology, University of California-San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143-0738, USA
    AJR Am J Roentgenol 183:1393-6. 2004
    ..Laparoscopic resection may be an effective treatment of such cysts...
  64. ncbi Erdheim-Chester disease: case report and review of associated urological, radiological and histological features
    Edward J Yun
    Deaprtment of Urology, University of California, San Francisco Medical School, USA
    J Urol 169:1470-1. 2003
  65. ncbi Inferior vena cava filling defects on CT and MRI
    Lauren B Kaufman
    Department of Radiology, University of California San Francisco, CA 94143-0628, USA
    AJR Am J Roentgenol 185:717-26. 2005
    ..Once a true filling defect of the IVC is established, identification of the cause, whether benign or malignant, and extent will guide clinical treatment...
  66. ncbi Distinction of renal cell carcinomas from high-attenuation renal cysts at portal venous phase contrast-enhanced CT
    Michael Suh
    Department of Radiology, Box 0628, M-372, University of California San Francisco, 505 Parnassus Ave, San Francisco, CA 94143-0628, USA
    Radiology 228:330-4. 2003
    ..CONCLUSION: On portal venous phase contrast-enhanced CT scans, attenuation greater than 70 HU or moderate or marked internal heterogeneity favor a diagnosis of renal cell carcinoma over a diagnosis of high-attenuation renal cyst...
  67. ncbi Radiologic appreciation of a spontaneous splenorenal shunt
    Sean P Elliott
    Department of Urology, University of California, San Francisco, School of Medicine, San Francisco, California 94143, USA
    Urology 63:776-7. 2004
  68. ncbi Extracolonic findings at CT colonography
    Judy Yee
    San Francisco Veterans Affairs Medical Center, University of California, San Francisco, 4150 Clement Street, San Francisco, CA 94121, USA
    Gastrointest Endosc Clin N Am 20:305-22. 2010
    ..The controversies of detecting and evaluating these incidental extracolonic findings on CTC are discussed...
  69. ncbi CT signs of hepatofugal portal venous flow in patients with cirrhosis
    Thomas J Bryce
    Department of Medicine and Department of Radiology, Abdominal Imaging Section, University of California at San Francisco, San Francisco, CA 94143-0628, USA
    AJR Am J Roentgenol 181:1629-33. 2003
    ..This sign may be useful when sonography is limited, or this sign may prompt sonographic assessment in patients not known to have hepatofugal flow...
  70. ncbi Appearance and distinguishing features of retroperitoneal calcifications at computed tomography
    Patric Kroepil
    Department of Radiology, University of California San Francisco 94143-0628, USA
    J Comput Assist Tomogr 27:860-3. 2003
    ..Solitary or nonglobular retroperitoneal calcifications are likely to be benign while calcifications that are multiple, globular, suprarenal, or associated with noncalcified soft-tissue components are likely to be malignant...
  71. ncbi Opacification of the inferior vena cava and inspiration-associated artifacts
    Rocco Cobelli
    AJR Am J Roentgenol 184:1361; author reply 1361-2. 2005
  72. ncbi Peritoneal calcification: causes and distinguishing features on CT
    Atul Agarwal
    Department of Radiology, University of California San Francisco, 505 Parnassus Ave, M372, San Francisco, CA 94143-0628, USA
    AJR Am J Roentgenol 182:441-5. 2004
    ..05). CONCLUSION: Common causes of peritoneal calcification are dialysis, prior peritonitis, or ovarian cancer; sheetlike calcification indicates a benign cause, whereas associated lymph node calcification strongly suggests malignancy...
  73. ncbi Magnetic resonance cholangiography of biliary strictures after liver transplantation: a prospective double-blind study
    Mary T Kitazono
    Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
    J Magn Reson Imaging 25:1168-73. 2007
    ..To compare magnetic resonance cholangiography (MRC) with endoscopic retrograde cholangiography (ERC) in quantitatively evaluating biliary strictures in liver transplant recipients...
  74. ncbi Dendritic iodinated contrast agents with PEG-cores for CT imaging: synthesis and preliminary characterization
    Yanjun Fu
    Center for Pharmaceutical and Molecular Imaging, Department of Radiology, University of California-San Francisco, California 94143-0628, USA
    Bioconjug Chem 17:1043-56. 2006
    ....
  75. ncbi Superficial endometrial spread of squamous cell cervical carcinoma: a diagnostic challenge at magnetic resonance imaging
    Felix Adler
    Department of Radiology, University of California, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 31:247-50. 2007
    ....
  76. ncbi Physiology of renal medullary tip hyperattenuation at unenhanced CT: urinary specific gravity and the NaCl concentration gradient
    Christopher T Hsu
    Department of Radiology, University of California San Francisco, 505 Parnassus Ave, Box 0628, C 324C, San Francisco, CA 94143 0628, USA
    Radiology 247:147-53. 2008
    ..To retrospectively investigate the physiology of renal medullary tip hyperattenuation at unenhanced computed tomography (CT)...
  77. ncbi CT and MRI of congenital anomalies of the seminal vesicles
    Sandeep S Arora
    Department of Radiology, University of California, San Francisco, 505 Parnassus Ave, Rm M 372, Box 0628, San Francisco, CA 94143 0628, USA
    AJR Am J Roentgenol 189:130-5. 2007
    ..MRI is a better tool for accurately defining anatomic relationships when one is planning to excise a seminal vesicle cyst or if one is considering a difficult differential diagnosis...
  78. ncbi Review of atypical pelvic masses on CT and MRI: expanding the differential diagnosis
    Kiarash Vahidi
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    Clin Imaging 31:406-13. 2007
    ..Certain imaging findings can suggest specific diagnoses or can narrow the differential diagnosis...
  79. ncbi Bowel transition points: multiplicity and posterior location at CT are associated with small-bowel volvulus
    Parmbir S Sandhu
    Department of Radiology, University of California San Francisco, 505 Parnassus Ave, Box 0628, C 324C, San Francisco, CA 94143 0628, USA
    Radiology 245:160-7. 2007
    ..To retrospectively evaluate the sensitivity and specificity of the number and location of bowel transition points at computed tomography (CT) in the diagnosis of small-bowel volvulus, with surgical findings as the reference standard...
  80. ncbi Characterization of cystic pancreatic masses: relative accuracy of CT and MRI
    Brendan C Visser
    Department of Surgery, University of California at San Francisco, San Francisco, CA, USA
    AJR Am J Roentgenol 189:648-56. 2007
    ..The objective of our study was to determine the role and relative accuracy of CT and MRI in the characterization of cystic pancreatic masses...
  81. ncbi Computed tomography and magnetic resonance imaging of inferior vena caval thrombus associated with metastasis to the kidney
    Ezra T Fraser
    Department of Radiology, University of California-San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143-0628, USA
    J Comput Assist Tomogr 28:131-3. 2004
    ....
  82. ncbi CT differentiation of adenomyomatosis and gallbladder cancer
    Brian H Ching
    Department of Radiology, University of California, San Francisco, 505 Parnassus Ave, Box 0628, Room M372, San Francisco, CA 94143 0628, USA
    AJR Am J Roentgenol 189:62-6. 2007
    ..The purpose of this study was to determine the accuracy of CT in differentiating adenomyomatosis from gallbladder cancer...
  83. ncbi Diagnosis of prostate cancer in patients with an elevated prostate-specific antigen level: role of endorectal MRI and MR spectroscopic imaging
    Nick G Costouros
    Department of Radiology, University of California, San Francisco, 505 Parnassus Ave, Rm M 372, Box 0628, San Francisco, CA 94143 0628, USA
    AJR Am J Roentgenol 188:812-6. 2007
    ..The objective of our study was to determine the accuracy of endorectal MRI and MR spectroscopic imaging (MRSI) in the diagnosis of prostate cancer in patients with an elevated serum prostate-specific antigen (PSA) level...
  84. ncbi MRI of adnexal masses in pregnancy
    Nicholas A Telischak
    Department of Radiology, University of California, San Francisco, Box 0628, Rm M 372, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    AJR Am J Roentgenol 191:364-70. 2008
    ..Accordingly, MRI should be considered as a useful adjunct when sonography is inconclusive or insufficient to guide management of adnexal masses discovered in pregnancy...
  85. ncbi Organ-confined prostate cancer: effect of prior transrectal biopsy on endorectal MRI and MR spectroscopic imaging
    Aliya Qayyum
    Department of Radiology, University of California, San Francisco, 505 Parnassus Ave, San Francisco, CA 94143-0628, USA
    AJR Am J Roentgenol 183:1079-83. 2004
    ..MRI staging criteria and guidelines for scheduling studies after biopsy may require appropriate modification...
  86. ncbi Pancreatoblastoma in an adult: case report and review of the literature
    Supriya Rajpal
    University of California, San Francisco, Comprehensive Cancer Center, San Francisco, California 94115, USA
    J Gastrointest Surg 10:829-36. 2006
    ..In addition, our case demonstrates that pancreatoblastomas can be alpha-fetoprotein producing, hormone producing, and enzyme producing when it occurs in adults...
  87. ncbi Magnetic resonance imaging of ovarian cancer arising in endometriomas
    Troy T Wu
    Keck School of Medicine, University of Southern California, Los Angeles, CA 94143-0628, USA
    J Comput Assist Tomogr 28:836-8. 2004
    ....
  88. ncbi CT and MRI of adnexal masses in patients with primary nonovarian malignancy
    Wei-Chao Chang
    Department of Radiology, University of California San Francisco, Box 0628, M-372 505 Parnassus Ave, San Francisco, CA 94143-0628, USA
    AJR Am J Roentgenol 186:1039-45. 2006
    ..MRI may help characterize incidental benign entities such as endometriosis, fibroma, and peritoneal inclusion cysts...
  89. ncbi Dynamic contrast-enhanced magnetic resonance imaging as a pharmacodynamic measure of response after acute dosing of AG-013736, an oral angiogenesis inhibitor, in patients with advanced solid tumors: results from a phase I study
    Glenn Liu
    University of Wisconsin Comprehensive Cancer Center, Madison, WI, USA
    J Clin Oncol 23:5464-73. 2005
    ..In addition, the day 2 vascular response measured using DCE-MRI seems to be a useful indicator of drug pharmacology, and additional research is needed to determine if it is a suitable marker for predicting clinical activity...
  90. ncbi CT and MR imaging of pericardial disease
    Zhen J Wang
    Department of Radiology, Box 0628, University of California, San Francisco, 505 Parnassus Ave, San Francisco, CA 94143-0628, USA
    Radiographics 23:S167-80. 2003
    ..Given the many potential applications of these modalities in the evaluation of pericardial diseases, familiarity with the CT and MR imaging features of these diseases is important...

Research Grants4

  1. CT Monitoring of Angiogenesis
    Benjamin Yeh; Fiscal Year: 2007
    ....
  2. CT Monitoring of Angiogenesis
    Benjamin Yeh; Fiscal Year: 2009
    ....
  3. CT Monitoring of Angiogenesis
    Benjamin M Yeh; Fiscal Year: 2010
    ....