Aliya Qayyum

Summary

Affiliation: University of California
Country: USA

Publications

  1. ncbi Diffusion-weighted imaging in the abdomen and pelvis: concepts and applications
    Aliya Qayyum
    Department of Radiology, University of California San Francisco, Box 0628, L 307, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    Radiographics 29:1797-810. 2009
  2. ncbi Role of CT and MR imaging in predicting optimal cytoreduction of newly diagnosed primary epithelial ovarian cancer
    Aliya Qayyum
    Department of Radiology, University of San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143 0628, USA
    Gynecol Oncol 96:301-6. 2005
  3. ncbi MR spectroscopy of the liver: principles and clinical applications
    Aliya Qayyum
    Department of Radiology, University of California San Francisco, Box 0628, L 307, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    Radiographics 29:1653-64. 2009
  4. 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
  5. 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
  6. ncbi Detection of hepatocellular carcinoma by ferumoxides-enhanced MR imaging in cirrhosis: Incremental value of dynamic gadolinium-enhancement
    Aliya Qayyum
    Department of Radiology, University of California, San Francisco, San Francisco, California 94143, USA
    J Magn Reson Imaging 23:17-22. 2006
  7. 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
  8. ncbi Diagnosis of cirrhosis by spiral computed tomography: a case-control study with feature analysis and assessment of interobserver agreement
    Alexander Keedy
    Department of Radiology, University of California, San Francisco, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 32:198-203. 2008
  9. ncbi Prostate depiction at endorectal MR spectroscopic imaging: investigation of a standardized evaluation system
    Juyoung A Jung
    Department of Radiology, University of California-San Francisco, San Francisco, CA 94143, USA
    Radiology 233:701-8. 2004
  10. 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

Research Grants

  1. Evaluation of MRI & MR Spectroscopic Markers in Non-Alcoholic Fatty Liver Disease
    Aliya Qayyum; Fiscal Year: 2007
  2. Evaluation of MRI & MR Spectroscopic Markers in Non-Alcoholic Fatty Liver Disease
    Aliya Qayyum; Fiscal Year: 2009
  3. Evaluation of MRI & MR Spectroscopic Markers in Non-Alcoholic Fatty Liver Disease
    Aliya Qayyum; Fiscal Year: 2010

Detail Information

Publications78

  1. ncbi Diffusion-weighted imaging in the abdomen and pelvis: concepts and applications
    Aliya Qayyum
    Department of Radiology, University of California San Francisco, Box 0628, L 307, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    Radiographics 29:1797-810. 2009
    ..Diffusion-weighted imaging is an evolving technology with the potential to improve tissue characterization when findings are interpreted in conjunction with findings obtained with other conventional MR imaging sequences...
  2. ncbi Role of CT and MR imaging in predicting optimal cytoreduction of newly diagnosed primary epithelial ovarian cancer
    Aliya Qayyum
    Department of Radiology, University of San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143 0628, USA
    Gynecol Oncol 96:301-6. 2005
    ..To determine the relative accuracy of CT or MR imaging in the detection of inoperable tumor sites prior to cytoreductive surgery in a large series of patients with newly diagnosed primary epithelial ovarian cancer...
  3. ncbi MR spectroscopy of the liver: principles and clinical applications
    Aliya Qayyum
    Department of Radiology, University of California San Francisco, Box 0628, L 307, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    Radiographics 29:1653-64. 2009
    ..MR spectroscopy of the liver is an evolving technology with potential for improving the diagnostic accuracy of tissue characterization when spectra are interpreted in conjunction with MR images...
  4. 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...
  5. 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
    ....
  6. ncbi Detection of hepatocellular carcinoma by ferumoxides-enhanced MR imaging in cirrhosis: Incremental value of dynamic gadolinium-enhancement
    Aliya Qayyum
    Department of Radiology, University of California, San Francisco, San Francisco, California 94143, USA
    J Magn Reson Imaging 23:17-22. 2006
    ..To investigate the incremental value of dynamic gadolinium-enhancement performed immediately after ferumoxides-enhanced magnetic resonance (MR) imaging on the detection of hepatocellular carcinoma in patients with cirrhosis...
  7. 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...
  8. ncbi Diagnosis of cirrhosis by spiral computed tomography: a case-control study with feature analysis and assessment of interobserver agreement
    Alexander Keedy
    Department of Radiology, University of California, San Francisco, San Francisco, CA 94143 0628, USA
    J Comput Assist Tomogr 32:198-203. 2008
    ..To determine the accuracy and interobserver agreement of spiral computed tomography (CT) in the diagnosis of cirrhosis...
  9. ncbi Prostate depiction at endorectal MR spectroscopic imaging: investigation of a standardized evaluation system
    Juyoung A Jung
    Department of Radiology, University of California-San Francisco, San Francisco, CA 94143, USA
    Radiology 233:701-8. 2004
    ....
  10. 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...
  11. 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...
  12. ncbi Adipose tissue and metabolic factors associated with steatosis in HIV/HCV coinfection: histology versus magnetic resonance spectroscopy
    Alireza Ghotb
    Department of Medicine, California Pacific Medical Center, San Francisco, CA, USA
    J Acquir Immune Defic Syndr 55:228-31. 2010
    ..We compared magnetic resonance spectroscopy (MRS) measurement of steatosis to histology in HIV/HCV-coinfected patients and explored the associated adipose tissue and metabolic factors...
  13. ncbi High-grade prostatic intraepithelial neoplasia in patients with prostate cancer: MR and MR spectroscopic imaging features--initial experience
    Jeffrey J Hom
    Department of Radiology, University of California, San Francisco, Box 0628, M 372, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    Radiology 242:483-9. 2007
    ..To retrospectively determine the magnetic resonance (MR) and MR spectroscopic imaging features of high-grade prostatic intraepithelial neoplasia (HGPIN) in patients with prostate cancer...
  14. 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...
  15. 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...
  16. 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)...
  17. 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...
  18. 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
    ....
  19. 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...
  20. ncbi Accuracy of plain abdominal radiographs in the detection of retained surgical needles in the peritoneal cavity
    Skorn 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...
  21. 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...
  22. ncbi Prostate cancer: endorectal MR imaging and MR spectroscopic imaging--distinction of true-positive results from chance-detected lesions
    Jeffrey J Hom
    Department of Radiology, University of California, Box 0628, M-372, San Francisco, CA 94143-0628, USA
    Radiology 238:192-9. 2006
    ....
  23. 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
    ....
  24. 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...
  25. ncbi Endorectal MR imaging and MR spectroscopic imaging for locally recurrent prostate cancer after external beam radiation therapy: preliminary experience
    Fergus V Coakley
    Department of Radiology, University of California San Francisco, 505 Parnassus Ave, Box 0628, M 372, San Francisco, CA 94143 0628, USA
    Radiology 233:441-8. 2004
    ..To evaluate endorectal magnetic resonance (MR) imaging and MR spectroscopic imaging for the depiction of locally recurrent prostate cancer after external beam radiation therapy...
  26. 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...
  27. 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...
  28. ncbi Respiratory motion-corrected proton magnetic resonance spectroscopy of the liver
    Susan M Noworolski
    Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, USA
    Magn Reson Imaging 27:570-6. 2009
    ..To develop a post-processing, respiratory-motion correction algorithm for magnetic resonance spectroscopy (MRS) of the liver and to determine the incidence and impact of respiratory motion in liver MRS...
  29. 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...
  30. 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...
  31. ncbi Magnetic resonance spectroscopic imaging of benign prostatic tissue: findings at 3.0 T compared to 1.5 T-initial experience
    Munish Chitkara
    Department of Radiology, University of California, San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143 0628, USA
    Clin Imaging 35:288-93. 2011
    ..5 T using a Wilcoxon ranked-sum test; awareness of this selective amplification of these metabolic signals at high field strength may help avoid overdiagnosis of prostate cancer...
  32. 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
    ....
  33. ncbi Liver steatosis: concordance of MR imaging and MR spectroscopic data with histologic grade
    Susan M Noworolski
    Department of Radiology and Biomedical Imaging, Center for Molecular and Functional Imaging, University of California, San Francisco, 185 Berry St, Suite 350, Box 0946, San Francisco, CA 94107, USA
    Radiology 264:88-96. 2012
    ....
  34. 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...
  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 Validity of prostate-specific antigen as a tumour marker in men with prostate cancer managed by watchful-waiting: correlation with findings at serial endorectal magnetic resonance imaging and spectroscopic imaging
    Fergus V Coakley
    Department of Urology, The University of California at San Francisco, San Francisco, CA, USA
    BJU Int 99:41-5. 2007
    ....
  37. ncbi Supplemental value of MRI in fetal abdominal disease detected on prenatal sonography: preliminary experience
    Brook J Hill
    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 184:993-8. 2005
    ..CONCLUSION: Our preliminary results suggest the primary supplemental value of MRI relative to sonography in fetal abdominal disease lies in improved tissue characterization rather than in improved anatomic characterization...
  38. 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...
  39. ncbi Frequency and etiology of unexplained bilateral hydronephrosis in patients with breast cancer: results of a longitudinal CT study
    Ari J Kane
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143 0628, USA
    Clin Imaging 36:263-6. 2012
    ....
  40. ncbi Liver diffusivity in healthy volunteers and patients with chronic liver disease: comparison of breathhold and free-breathing techniques
    Mamak Eatesam
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, California 94143 0628, USA
    J Magn Reson Imaging 35:103-9. 2012
    ..To compare liver ADC obtained with breathhold and free-breathing diffusion weighted imaging (DWI) in healthy volunteers and patients with liver disease...
  41. 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...
  42. ncbi Liver steatosis: investigation of opposed-phase T1-weighted liver MR signal intensity loss and visceral fat measurement as biomarkers
    Manisha Bahl
    Department of Radiology, University of California, San Francisco, Box 0628, L 307, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    Radiology 249:160-6. 2008
    ....
  43. 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)...
  44. ncbi Chronic hepatitis: role of diffusion-weighted imaging and diffusion tensor imaging for the diagnosis of liver fibrosis and inflammation
    Bachir Taouli
    Department of Radiology, MRI, New York University Medical Center, 530 First Avenue, New York, NY 10016, USA
    J Magn Reson Imaging 28:89-95. 2008
    ..To determine the diagnostic performance of liver apparent diffusion coefficient (ADC) measured with conventional diffusion-weighted imaging (CDI) and diffusion tensor imaging (DTI) for the diagnosis of liver fibrosis and inflammation...
  45. 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)...
  46. 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...
  47. ncbi Prostate cancer localization with endorectal MR imaging and MR spectroscopic imaging: effect of clinical data on reader accuracy
    Rajpal Dhingsa
    Departments of Radiology, Pathology, and Urology, University of California San Francisco, 505 Parnassus Avenue, San Francisco, CA 94143-0628, USA
    Radiology 230:215-20. 2004
    ..A stricter definition of a true-positive result is associated with reduced sensitivity for prostate cancer nodule detection...
  48. 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...
  49. 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...
  50. 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...
  51. 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...
  52. ncbi Cross-specialty integrated resident conferences: an educational approach to bridging the gap
    David M Naeger
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, 94143 0628, USA
    Acad Radiol 19:1029-34. 2012
    ..We surveyed resident attitudes toward integrated conferences with subspecialty referring physicians both before and after a pilot lecture series at our institution...
  53. ncbi MRI steatosis grading: development and initial validation of a color mapping system
    Aliya Qayyum
    Department of Radiology and Biomedical Imaging, University of California San Francisco, Box 0628, L 307, 505 Parnassus Ave, San Francisco, CA 94143 0628, USA
    AJR Am J Roentgenol 198:582-8. 2012
    ..The purpose of this article is to develop and validate a chemical-shift imaging-derived color mapping system for evaluation of liver steatosis...
  54. 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...
  55. 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...
  56. 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...
  57. 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
  58. ncbi Parallel imaging and diffusion tensor imaging for diffusion-weighted MRI of the liver: preliminary experience in healthy volunteers
    Bachir Taouli
    Department of Radiology, University of California, San Francisco, 505 Parnassus Ave, San Francisco, CA 94143, USA
    AJR Am J Roentgenol 183:677-80. 2004
    ..Our aim was to determine whether parallel imaging and diffusion tensor imaging affect the measurement of apparent diffusion coefficient (ADC) during diffusion-weighted MRI of the liver in healthy volunteers...
  59. 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
    ....
  60. 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...
  61. 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...
  62. ncbi Atypical cases of gallstone ileus evaluated with multidetector computed tomography
    Anja J Reimann
    Department of Radiology, University of California at San Francisco, San Francisco, CA 94143-0628, USA
    J Comput Assist Tomogr 28:523-7. 2004
    ..In particular, multidetector CT is useful for identifying the ectopic gallstone at the transition point between dilated and decompressed bowel...
  63. 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...
  64. 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
  65. 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
  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 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...
  68. ncbi Clinician-educator pathway for radiology residents
    David M Naeger
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, 94143 0628, USA
    Acad Radiol 18:640-4. 2011
    ..A formal application process was established, as were methods of evaluation during and after the experience...
  69. ncbi Magnetic resonance imaging and spectroscopic imaging of prostate cancer
    Fergus V Coakley
    Department of Radiology, University of California San Fransisco, 94143 0628, USA
    J Urol 170:S69-75; discussion S75-6. 2003
    ....
  70. ncbi Time to metabolic atrophy after permanent prostate seed implantation based on magnetic resonance spectroscopic imaging
    Barby Pickett
    Department of Radiation Oncology, University of California, San Francisco, School of Medicine, 94143 1708, USA
    Int J Radiat Oncol Biol Phys 59:665-73. 2004
    ..To characterize the time to metabolic atrophy (TMA) after permanent prostate implantation (PPI) using combined MRI and magnetic resonance spectroscopic imaging (MRSI) compared with the time to prostate-specific antigen (PSA) nadir...
  71. 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
    ....
  72. ncbi MR imaging features of infiltrating lobular carcinoma of the breast: histopathologic correlation
    Aliya Qayyum
    Department of Radiology, University of California San Francisco, San Francisco, CA 94143-0628, USA
    AJR Am J Roentgenol 178:1227-32. 2002
    ..The appearance of multiple lesions or of enhancing fibroglandular breast elements on MR imaging is suggestive of infiltrating lobular carcinoma...
  73. ncbi Magnetic resonance cholangiopancreatography
    Fergus V Coakley
    Department of Radiology, Abnormal Imaging, University of California-San Francisco Medical Center, California 94122, USA
    Gastrointest Endosc 55:S2-12. 2002
  74. 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
    ....
  75. 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...
  76. ncbi MR imaging of retained products of conception
    Jaime B Noonan
    Emory University School of Medicine, 1440 Clifton Rd, N.E, Atlanta, GA 30322-4510, USA
    AJR Am J Roentgenol 181:435-9. 2003
    ..MR imaging may also be helpful in showing anatomic variants that hinder successful instrumentation of the uterine cavity in patients with suspected retained products of conception...
  77. ncbi Computed tomography of corpus luteal cysts
    Rebecca J Borders
    Department of Radiology, University of California San Francisco, 94143, USA
    J Comput Assist Tomogr 28:340-2. 2004
    ..Recognition of these CT findings should prevent misinterpretation or inappropriate management...
  78. ncbi Hepatic pseudotumor due to nodular fatty sparing: the diagnostic role of opposed-phase MRI
    Wynnson W Tom
    Department of Radiology, University of California San Francisco School of Medicine, 513 Parnassus Ave, San Francisco, CA 94143-0410, USA
    AJR Am J Roentgenol 183:721-4. 2004
    ..Because the lesion may otherwise mimic a hepatic tumor, knowledge of these findings may prevent unnecessary biopsy or inappropriate treatment...

Research Grants4

  1. Evaluation of MRI & MR Spectroscopic Markers in Non-Alcoholic Fatty Liver Disease
    Aliya Qayyum; Fiscal Year: 2007
    ..Determination of MRI and MRS markers of hepatic complications of NAFLD would enable the non-invasive diagnosis, and monitoring of both disease progression and response to emerging therapeutic interventions. ..
  2. Evaluation of MRI & MR Spectroscopic Markers in Non-Alcoholic Fatty Liver Disease
    Aliya Qayyum; Fiscal Year: 2009
    ..Determination of MRI and MRS markers of hepatic complications of NAFLD would enable the non-invasive diagnosis, and monitoring of both disease progression and response to emerging therapeutic interventions. ..
  3. Evaluation of MRI & MR Spectroscopic Markers in Non-Alcoholic Fatty Liver Disease
    Aliya Qayyum; Fiscal Year: 2010
    ..Determination of MRI and MRS markers of hepatic complications of NAFLD would enable the non-invasive diagnosis, and monitoring of both disease progression and response to emerging therapeutic interventions. ..