Research Topics
| Benjamin M YehSummaryAffiliation: University of California Country: USA Publications
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Publications
Biliary tract depiction in living potential liver donors: comparison of conventional MR, mangafodipir trisodium-enhanced excretory MR, and multi-detector row CT cholangiography--initial experienceBenjamin 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...
Precaval right renal arteries: prevalence and morphologic associations at spiral CTBenjamin 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)...
Clinical relevance of retrograde inferior vena cava or hepatic vein opacification during contrast-enhanced CTBenjamin 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...
Azygos arch valves: prevalence and appearance at contrast-enhanced CTBenjamin 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)...
Vascular contact with soft tissue: a sign of mesenteric masses at computed tomographyBenjamin 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...
Computed tomographic distinction of perirenal liposarcoma from exophytic angiomyolipoma: a feature analysis studyJames 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...
CT cholangiography in potential liver donors: effect of premedication with intravenous morphine on biliary caliber and visualizationRichard 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...
The equivocal appendix at CT: prevalence in a control populationEmily 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...
Concordance of second-order portal venous and biliary tract anatomies on MDCT angiography and MDCT cholangiographyJames 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...
Computed tomography of the acute abdomen in patients with atrial fibrillationStephen 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...
The characterization of small hypoattenuating renal masses on contrast-enhanced CTNeesha 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)...
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)...
Prognostic importance of superior diaphragmatic adenopathy at computed tomography in patients with resectable hepatic metastases from colorectal carcinomaRizwan 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...
Growth rate of hepatocellular carcinoma: evaluation with serial computed tomography or magnetic resonance imagingBachir 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...
Computed tomographic appearance of Prolene Hernia System and polypropylene mesh plug inguinal hernia repairVictor 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...
Acute appendicitis: clinical outcome in patients with an initial false-positive CT diagnosisJoseph 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...
Dual energy CT monitoring of the renal corticomedullary sodium gradient in swineRahi Kumar
Department of Radiology and Biomedical Imaging, University of California San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143 0628, United States
Eur J Radiol 81:423-9. 2012..To evaluate the feasibility of dual-energy CT (DECT) for monitoring dynamic changes in the renal corticomedullary sodium gradient in swine...
Computed tomography findings in pseudothrombosis of the iliofemoral veinGaurav 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...
Evaluation of the biliary intestinal limb of a Roux-en-Y choledochojejunostomy using computed tomographic cholangiographyBenjamin 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...
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...
Living donor candidates for right hepatic lobe transplantation: evaluation at CT cholangiography--initial experienceZhen 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....
In vivo monitoring of angiogenesis inhibitory treatment effects by dynamic contrast-enhanced computed tomography in a xenograft tumor modelHans 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...
Spectrum of CT findings in patients with atrial fibrillation and nontraumatic acute abdomenRamon 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...
Accuracy of plain abdominal radiographs in the detection of retained surgical needles in the peritoneal cavitySkorn Ponrartana
Department of Radiology, University of California San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143, USA
Ann Surg 247:8-12. 2008..To determine the accuracy of plain abdominal radiographs in the detection of retained surgical needles of varying size in the peritoneal cavity...
Frequency and histopathologic basis of hepatic surface nodularity in patients with fulminant hepatic failureJason 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...
Frequency and etiology of unexplained bilateral hydronephrosis in patients with breast cancer: results of a longitudinal CT studyAri J Kane
Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
Clin Imaging 36:263-6. 2012....
Liver fat: effect of hepatic iron deposition on evaluation with opposed-phase MR imagingAntonio 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...
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...
Physiology of renal medullary tip hyperattenuation at unenhanced CT: urinary specific gravity and the NaCl concentration gradientChristopher 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)...
Delayed enhancement of ascites after i.v. contrast material administration at CT: time course and clinical correlationNancy 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...
Urinary oxygen tension measurement in humans using magnetic resonance imagingZhen 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...
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...
Computed tomography findings mimicking appendicitis as a manifestation of colorectal cancerRichard 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...
Positive enteric contrast material for abdominal and pelvic CT with automatic exposure control: what is the effect on patient radiation exposure?Zhen J Wang
Department of Radiology, University of California San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143 0628, United States
Eur J Radiol 79:e58-62. 2011..To assess the effect of positive enteric contrast administration on automatic exposure control (AEC) CT radiation exposure in (1) a CT phantom, and (2) a retrospective review of patients...
Solitary fibrous tumor of the male pelvis: findings at CT with histopathologic correlationBonnie 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...
Small hypoattenuating hepatic lesions at contrast-enhanced CT: prognostic importance in patients with breast cancerGeorge 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....
Diagnosis of prostate cancer in patients with an elevated prostate-specific antigen level: role of endorectal MRI and MR spectroscopic imagingNick 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...
Timing bolus dynamic contrast-enhanced (DCE) MRI assessment of hepatic perfusion: Initial experienceSimon 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...
Frequency of hepatic contour abnormalities and signs of portal hypertension at CT in patients receiving chemotherapy for breast cancer metastatic to the liverAliya 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...
Peritoneal calcification: causes and distinguishing features on CTAtul 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...
Gallstone detection at CT in vitro: effect of peak voltage settingWesley 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...
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...
Risk of injury to adjacent organs with lower-pole fluoroscopically guided percutaneous nephrostomy: evaluation with prone, supine, and multiplanar reformatted CTDana 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....
Peripheral zone prostate cancer: accuracy of different interpretative approaches with MR and MR spectroscopic imagingAntonio 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....
MRI of adnexal masses in pregnancyNicholas 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...
Radiologic mimics of cirrhosisPriyanka Jha
Department of Radiology, University of California, San Francisco, 505 Parnassus Ave, Box 0628, M 372, San Francisco, CA 94143 0628, USA
AJR Am J Roentgenol 194:993-9. 2010....
New macromolecular polymeric MRI contrast agents for application in the differentiation of cancer from benign soft tissuesClemens 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....
Predicting biliary complications in right lobe liver transplant recipients according to distance between donor's bile duct and corresponding hepatic arteryBenjamin 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)...
Inferior vena cava filling defects on CT and MRILauren 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...
Minor morphologic abnormalities of adrenal glands at CT: prognostic importance in patients with lung cancerNicole 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...
CT of benign hypervascular liver nodules in autoimmune hepatitisAliya 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...
Use of CT cholangiography to evaluate the biliary tract after liver transplantation: initial experienceGregg 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...
Abdominal complications of chemotherapy: findings at computed tomographyYueyi I Liu
Department of Radiology, University of California San Francisco, CA 94143 0628, USA
Clin Imaging 36:54-60. 2012..This article describes the CT findings that may be seen in abdominal complications of contemporary chemotherapy. Knowledge of the varying CT appearances that can be encountered may facilitate both diagnosis and management in such cases...
Intrahepatic portal-to-portal venous shunts in cirrhosis: a potential mimic of hepatocellular carcinomaJuergen 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...
Computed tomography and magnetic resonance imaging of inferior vena caval thrombus associated with metastasis to the kidneyEzra 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....
Chyluria associated with radiofrequency ablation of renal cell carcinomaJohn Schneider
Department of Radiology, University of California, San Francisco, San Francisco, CA, USA
J Comput Assist Tomogr 34:210-2. 2010..We report 2 cases of chyluria in patients after radiofrequency ablation of renal cell carcinoma diagnosed on surveillance computed tomography...
CT signs of hepatofugal portal venous flow in patients with cirrhosisThomas 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...
CT and MRI of hepatic contour abnormalitiesJafi 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
Symptomatic perirenal serous cysts of müllerian origin mimicking renal cysts on CTThomas 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...
Appendiceal wall thickening at CT in asymptomatic patients with extraintestinal malignancy may mimic appendicitisEmily 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...
Reduced cathartic bowel preparation for CT colonography: prospective comparison of 2-L polyethylene glycol and magnesium citrateAlexander W Keedy
Department of Radiology, University of California, San Francisco, San Francisco Veterans Affairs Medical Center, VAMC, San Francisco, CA 94143, USA
Radiology 261:156-64. 2011....
CT differentiation of adenomyomatosis and gallbladder cancerBrian 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...
Patient-specific time to peak abdominal organ enhancement varies with time to peak aortic enhancement at MR imagingLisa L Chu
Department of Radiology, University of California San Francisco, 505 Parnassus Ave, Box 0628, C 324C, San Francisco, CA 94143 0628, USA
Radiology 245:779-87. 2007..To retrospectively evaluate the relationship between the times to peak enhancement of the liver, pancreas, and jejunum with respect to the time to peak aortic enhancement at magnetic resonance (MR) imaging...
MR imaging evaluation of the hepatic vasculatureRizwan Aslam
Department of Radiology and Biomedical Imaging, University of California, San Francisco, School of Medicine, 505 Parnassus Avenue, M372, Box 0628, San Francisco, CA 94143 0628, USA
Magn Reson Imaging Clin N Am 18:515-23, xi. 2010..In this article, the authors discuss currently available techniques for imaging of the hepatic vasculature...
Bowel transition points: multiplicity and posterior location at CT are associated with small-bowel volvulusParmbir 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...
Superficial endometrial spread of squamous cell cervical carcinoma: a diagnostic challenge at magnetic resonance imagingFelix Adler
Department of Radiology, University of California, San Francisco, CA 94143 0628, USA
J Comput Assist Tomogr 31:247-50. 2007....
MR imaging and CT of the biliary tractBenjamin 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...
Anterior layering of excreted 18F-FDG in the bladder on PET/CT: frequency and causeDerk 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...
Multi-detector row computed tomographic appearance of celiac gangliaZhen 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)...
Dual-energy and low-kVp CT in the abdomenBenjamin 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...
Magnetic resonance imaging of massive ovarian edema in pregnancyFergus 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...
Colonic wall redundancy at CT in patients with cystic fibrosisEmily 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)...
Juvenile xanthogranuloma of the heart and liver: MRI, sonographic, and CT appearanceBenjamin 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
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...
Accuracy of liver fat quantification at MR imaging: comparison of out-of-phase gradient-echo and fat-saturated fast spin-echo techniques--initial experienceAliya Qayyum
Department of Radiology, University of California San Francisco, CA 94143 0628, USA
Radiology 237:507-11. 2005....
Frequency and etiology of midesophageal diverticula at barium esophagographyDonna 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...
Ectopic ureter associated with uterine didelphys and obstructed hemivagina: preoperative diagnosis by MRIZhen 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...
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
Precaval right renal artery: description and embryologic originMaxwell 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...
Distinction of renal cell carcinomas from high-attenuation renal cysts at portal venous phase contrast-enhanced CTMichael 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...
Dendritic iodinated contrast agents with PEG-cores for CT imaging: synthesis and preliminary characterizationYanjun 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....
Erdheim-Chester disease: case report and review of associated urological, radiological and histological featuresEdward J Yun
Deaprtment of Urology, University of California, San Francisco Medical School, USA
J Urol 169:1470-1. 2003
Opacification of the inferior vena cava and inspiration-associated artifactsRocco Cobelli
AJR Am J Roentgenol 184:1361; author reply 1361-2. 2005
Magnetic resonance cholangiography of biliary strictures after liver transplantation: a prospective double-blind studyMary 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...
Appearance and distinguishing features of retroperitoneal calcifications at computed tomographyPatric 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...
Pancreatoblastoma in an adult: case report and review of the literatureSupriya 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...
Review of atypical pelvic masses on CT and MRI: expanding the differential diagnosisKiarash 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...
CT and MRI of adnexal masses in patients with primary nonovarian malignancyWei-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...
CT and MR imaging of pericardial diseaseZhen 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...
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 studyGlenn 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...
CT and MRI of congenital anomalies of the seminal vesiclesSandeep 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...
Magnetic resonance imaging of ovarian cancer arising in endometriomasTroy T Wu
Keck School of Medicine, University of Southern California, Los Angeles, CA 94143-0628, USA
J Comput Assist Tomogr 28:836-8. 2004....
Characterization of cystic pancreatic masses: relative accuracy of CT and MRIBrendan 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...
Organ-confined prostate cancer: effect of prior transrectal biopsy on endorectal MRI and MR spectroscopic imagingAliya 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...
