Xiaojuan Li

Summary

Affiliation: University of California
Country: USA

Publications

  1. doi request reprint Quantitative characterization of bone marrow edema pattern in rheumatoid arthritis using 3 Tesla MRI
    Xiaojuan Li
    Department of Radiology and Biomedical Imaging, University of California, San Francisco UCSF, San Francisco, California 94107, USA
    J Magn Reson Imaging 35:211-7. 2012
  2. pmc Quantification of vertebral bone marrow fat content using 3 Tesla MR spectroscopy: reproducibility, vertebral variation, and applications in osteoporosis
    Xiaojuan Li
    Department of Radiology and Biomedical Imaging, UCSF, San Francisco, CA, USA
    J Magn Reson Imaging 33:974-9. 2011
  3. pmc Effects of unloading on knee articular cartilage T1rho and T2 magnetic resonance imaging relaxation times: a case series
    Richard B Souza
    Department of Physical Therapy and Rehabilitation Science, University of California, San Francisco, San Francisco, CA, USA
    J Orthop Sports Phys Ther 42:511-20. 2012
  4. pmc Evaluation of bone bruises and associated cartilage in anterior cruciate ligament-injured and -reconstructed knees using quantitative t(1ρ) magnetic resonance imaging: 1-year cohort study
    Alexander A Theologis
    School of Medicine, University of California, San Francisco, California, USA
    Arthroscopy 27:65-76. 2011
  5. pmc Bone marrow fat composition as a novel imaging biomarker in postmenopausal women with prevalent fragility fractures
    Janina M Patsch
    Musculoskeletal Quantitative Imaging Research Group, Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94107, USA
    J Bone Miner Res 28:1721-8. 2013
  6. pmc Does vertebral bone marrow fat content correlate with abdominal adipose tissue, lumbar spine bone mineral density, and blood biomarkers in women with type 2 diabetes mellitus?
    Thomas Baum
    Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94107, USA
    J Magn Reson Imaging 35:117-24. 2012
  7. doi request reprint T1rho, T2 and focal knee cartilage abnormalities in physically active and sedentary healthy subjects versus early OA patients--a 3.0-Tesla MRI study
    Robert Stahl
    Department of Radiology, University of California, San Francisco, CA 94107 0946, USA
    Eur Radiol 19:132-43. 2009
  8. pmc Quantitative MRI using T1ρ and T2 in human osteoarthritic cartilage specimens: correlation with biochemical measurements and histology
    Xiaojuan Li
    Department of Radiology and Biomedical Imaging, Musculoskeletal and Quantitative Imaging Research, University of California, San Francisco UCSF, CA 94107, USA
    Magn Reson Imaging 29:324-34. 2011
  9. pmc Cartilage in anterior cruciate ligament-reconstructed knees: MR imaging T1{rho} and T2--initial experience with 1-year follow-up
    Xiaojuan Li
    Musculoskeletal Quantitative Imaging Research Group, Department of Radiology and Biomedical Imaging, University of California, San Francisco, China Basin Landing, 185 Berry St, Suite 350, San Francisco, CA 94107, USA xiaojuan li
    Radiology 258:505-14. 2011
  10. pmc Relationship between trabecular bone structure and articular cartilage morphology and relaxation times in early OA of the knee joint using parallel MRI at 3 T
    R I Bolbos
    Musculoskeletal Quantitative Imaging Research, Department of Radiology, University of California San Francisco, San Francisco, CA 94107, USA
    Osteoarthritis Cartilage 16:1150-9. 2008

Detail Information

Publications65

  1. doi request reprint Quantitative characterization of bone marrow edema pattern in rheumatoid arthritis using 3 Tesla MRI
    Xiaojuan Li
    Department of Radiology and Biomedical Imaging, University of California, San Francisco UCSF, San Francisco, California 94107, USA
    J Magn Reson Imaging 35:211-7. 2012
    ..To develop imaging techniques that provide quantitative characterization of bone marrow edema pattern (BME) in wrist joints of patients with rheumatoid arthritis (RA), including volume, signal intensity changes, and perfusion properties...
  2. pmc Quantification of vertebral bone marrow fat content using 3 Tesla MR spectroscopy: reproducibility, vertebral variation, and applications in osteoporosis
    Xiaojuan Li
    Department of Radiology and Biomedical Imaging, UCSF, San Francisco, CA, USA
    J Magn Reson Imaging 33:974-9. 2011
    ....
  3. pmc Effects of unloading on knee articular cartilage T1rho and T2 magnetic resonance imaging relaxation times: a case series
    Richard B Souza
    Department of Physical Therapy and Rehabilitation Science, University of California, San Francisco, San Francisco, CA, USA
    J Orthop Sports Phys Ther 42:511-20. 2012
    ..Case series...
  4. pmc Evaluation of bone bruises and associated cartilage in anterior cruciate ligament-injured and -reconstructed knees using quantitative t(1ρ) magnetic resonance imaging: 1-year cohort study
    Alexander A Theologis
    School of Medicine, University of California, San Francisco, California, USA
    Arthroscopy 27:65-76. 2011
    ..To quantitate bone marrow edema-like lesions (BMELs) and the radiologic properties of cartilage in knees with acute anterior cruciate ligament (ACL) injuries using T(1ρ) magnetic resonance imaging over a 1-year period...
  5. pmc Bone marrow fat composition as a novel imaging biomarker in postmenopausal women with prevalent fragility fractures
    Janina M Patsch
    Musculoskeletal Quantitative Imaging Research Group, Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA 94107, USA
    J Bone Miner Res 28:1721-8. 2013
    ..Our results suggest that altered bone marrow fat composition is linked with fragility fractures and diabetes. MRS of spinal bone marrow fat may therefore serve as a novel tool for BMD-independent fracture risk assessment. ..
  6. pmc Does vertebral bone marrow fat content correlate with abdominal adipose tissue, lumbar spine bone mineral density, and blood biomarkers in women with type 2 diabetes mellitus?
    Thomas Baum
    Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94107, USA
    J Magn Reson Imaging 35:117-24. 2012
    ....
  7. doi request reprint T1rho, T2 and focal knee cartilage abnormalities in physically active and sedentary healthy subjects versus early OA patients--a 3.0-Tesla MRI study
    Robert Stahl
    Department of Radiology, University of California, San Francisco, CA 94107 0946, USA
    Eur Radiol 19:132-43. 2009
    ..Thus, T1rho and T2 could be a parameter suited to identify active healthy subjects at higher risk for developing cartilage pathology...
  8. pmc Quantitative MRI using T1ρ and T2 in human osteoarthritic cartilage specimens: correlation with biochemical measurements and histology
    Xiaojuan Li
    Department of Radiology and Biomedical Imaging, Musculoskeletal and Quantitative Imaging Research, University of California, San Francisco UCSF, CA 94107, USA
    Magn Reson Imaging 29:324-34. 2011
    ..We aimed to investigate the orientation effect on T(1ρ) and T(2) values in human osteoarthritic cartilage and to quantify the correlation between T(1ρ), T(2) vs. biochemical composition and histology in human osteoarthritic cartilage...
  9. pmc Cartilage in anterior cruciate ligament-reconstructed knees: MR imaging T1{rho} and T2--initial experience with 1-year follow-up
    Xiaojuan Li
    Musculoskeletal Quantitative Imaging Research Group, Department of Radiology and Biomedical Imaging, University of California, San Francisco, China Basin Landing, 185 Berry St, Suite 350, San Francisco, CA 94107, USA xiaojuan li
    Radiology 258:505-14. 2011
    ....
  10. pmc Relationship between trabecular bone structure and articular cartilage morphology and relaxation times in early OA of the knee joint using parallel MRI at 3 T
    R I Bolbos
    Musculoskeletal Quantitative Imaging Research, Department of Radiology, University of California San Francisco, San Francisco, CA 94107, USA
    Osteoarthritis Cartilage 16:1150-9. 2008
    ..To evaluate trabecular bone structure in relationship with cartilage parameters in distal femur and proximal tibia of the human knee at 3Tesla (3T) using high-resolution magnetic resonance imaging (MRI) with parallel imaging...
  11. doi request reprint Quadriceps and hamstrings morphology is related to walking mechanics and knee cartilage MRI relaxation times in young adults
    Deepak Kumar
    Musculoskeletal Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA
    J Orthop Sports Phys Ther 43:881-90. 2013
    ..Controlled laboratory study using a cross-sectional design...
  12. pmc Longitudinal analysis of T1ρ and T2 quantitative MRI of knee cartilage laminar organization following microfracture surgery
    Alexander A Theologis
    School of Medicine, University of California, San Francisco UCSF, San Francisco, CA 94158, USA
    Knee 19:652-7. 2012
    ..To quantitate longitudinally the radiographic properties of different layers of repaired tissue following microfracture (MFx) surgery using T(1ρ) and T(2) magnetic resonance imaging (MRI)...
  13. ncbi request reprint Do cartilage repair procedures prevent degenerative meniscus changes?: longitudinal t1ρ and morphological evaluation with 3.0-T MRI
    Pia M Jungmann
    Musculoskeletal and Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California, USA
    Am J Sports Med 40:2700-8. 2012
    ..Cartilage repair (CR) procedures are widely accepted for treatment of isolated cartilage defects in the knee joint. However, it is not well known whether these procedures prevent degenerative joint disease...
  14. pmc In vivo intervertebral disc characterization using magnetic resonance spectroscopy and T1ρ imaging: association with discography and Oswestry Disability Index and Short Form-36 Health Survey
    Jin Zuo
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, USA
    Spine (Phila Pa 1976) 37:214-21. 2012
    ..An in vivo study of intervertebral disc degeneration by using quantitative magnetic resonance imaging (MRI) and magnetic resonance spectroscopy (MRS)...
  15. pmc Imaging longitudinal changes in articular cartilage and bone following doxycycline treatment in a rabbit anterior cruciate ligament transection model of osteoarthritis
    James R Pinney
    UC Berkeley UCSF Graduate Program in Bioengineering, San Francisco, CA 94158 2330, USA
    Magn Reson Imaging 30:271-82. 2012
    ....
  16. doi request reprint Magnetic resonance imaging evaluation of knee kinematics after anterior cruciate ligament reconstruction with anteromedial and transtibial femoral tunnel drilling techniques
    William W Schairer
    School of Medicine, University of California, San Francisco, 94143 0728, USA
    Arthroscopy 27:1663-70. 2011
    ....
  17. pmc A comparative study at 3 T of sequence dependence of T2 quantitation in the knee
    Alex Pai
    Department of Electrical Engineering and Computer Science, University of California, Berkeley, CA 94720, USA
    Magn Reson Imaging 26:1215-20. 2008
    ..However, the derivation of these times may vary from sequence to sequence. This study seeks to evaluate the sequence-dependent differences in T2 quantitation of cartilage, muscle, fat and bone marrow in the knee joint at 3 T...
  18. pmc In vivo T1rho quantitative assessment of knee cartilage after anterior cruciate ligament injury using 3 Tesla magnetic resonance imaging
    Radu I Bolbos
    Musculo skeletal Quantitative Imaging Research, Department of Radiology, University of California, San Francisco, San Francisco, California 94107, USA
    Invest Radiol 43:782-8. 2008
    ....
  19. pmc Meniscal measurements of T1rho and T2 at MR imaging in healthy subjects and patients with osteoarthritis
    Isabel Rauscher
    Department of Radiology, University of California, San Francisco, San Francisco, CA 94143 0628, USA
    Radiology 249:591-600. 2008
    ....
  20. pmc Diagnostic performance of in vivo 3-T MRI for articular cartilage abnormalities in human osteoarthritic knees using histology as standard of reference
    Ehsan Saadat
    School of Medicine and Department of Radiology, University of California San Francisco, San Francisco, CA, USA
    Eur Radiol 18:2292-302. 2008
    ....
  21. pmc Regional variations in MR relaxation of hip joint cartilage in subjects with and without femoralacetabular impingement
    Karupppasamy Subburaj
    Musculoskeletal Quantitative Imaging Research, Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA 94158, USA
    Magn Reson Imaging 31:1129-36. 2013
    ....
  22. doi request reprint T1ρ imaging demonstrates early changes in the lateral patella in patients with patellofemoral pain and maltracking
    Daniel U Thuillier
    Department of Orthopaedic Surgery, University of California, San Francisco, 500 Parnassus Avenue, MUW 3rd Floor, Box 0728, San Francisco, CA 94143, USA
    Am J Sports Med 41:1813-8. 2013
    ....
  23. doi request reprint Evaluating rotational kinematics of the knee in ACL reconstructed patients using 3.0 Tesla magnetic resonance imaging
    Abbas Kothari
    University of California, San Francisco, Department of Orthopaedic Surgery, 1500 Owens Street, San Francisco, CA 94158, USA
    Knee 19:648-51. 2012
    ..We also hypothesize that ACL reconstructed knees will have greater rotational laxity when compared to healthy contralateral knees...
  24. pmc The acute effect of running on knee articular cartilage and meniscus magnetic resonance relaxation times in young healthy adults
    Karupppasamy Subburaj
    Department of Radiology and Biomedical Imaging, University of California San Francisco, 1700 4th St, Suite 203, San Francisco, CA 94158, USA
    Am J Sports Med 40:2134-41. 2012
    ....
  25. doi request reprint Evaluating rotational kinematics of the knee in ACL-ruptured and healthy patients using 3.0 Tesla magnetic resonance imaging
    Bryan D Haughom
    School of Medicine, University of California, San Francisco UCSF, San Francisco, CA 94143 0729, USA
    Knee Surg Sports Traumatol Arthrosc 20:663-70. 2012
    ..The hypothesis of the study is that there is greater tibial rotation (TR) in women than men, and also in ACL-deficient than healthy knees...
  26. pmc Longitudinal assessment of bone marrow edema-like lesions and cartilage degeneration in osteoarthritis using 3 T MR T1rho quantification
    Jian Zhao
    Musculoskeletal and Quantitative Imaging Research Group, Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA 94107, USA
    Skeletal Radiol 39:523-31. 2010
    ..To quantitatively assess the relationship between bone marrow edema-like lesions (BMELs) and the associated cartilage in knee osteoarthritis (OA) using T(1rho) quantification at 3 T MRI...
  27. ncbi request reprint Simultaneous acquisition of T1ρ and T2 quantification in knee cartilage: repeatability and diurnal variation
    Xiaojuan Li
    Musculo skeletal Quantitative Imaging Research MQIR, Department of Radiology, University of California, San Francisco UCSF, San Francisco, California, USA
    J Magn Reson Imaging 39:1287-93. 2014
    ..To develop a robust sequence that combines T1ρ and T2 quantifications and to examine the in vivo repeatability and diurnal variation of T1ρ and T2 quantifications in knee cartilage...
  28. pmc Comparison of T1rho relaxation times between ACL-reconstructed knees and contralateral uninjured knees
    Alexander A Theologis
    Department of Orthopaedic Surgery, San Francisco School of Medicine, University of California, 500 Parnassus Ave, MU320W, San Francisco, CA, 94143, USA
    Knee Surg Sports Traumatol Arthrosc 22:298-307. 2014
    ..The goal of this study is to compare the cartilage of anterior cruciate ligament (ACL)-reconstructed and uninjured contralateral knees using T 1ρ MRI 12-16 months after ACL reconstructions...
  29. pmc Quantitative in vivo HR-pQCT imaging of 3D wrist and metacarpophalangeal joint space width in rheumatoid arthritis
    Andrew J Burghardt
    Musculoskeletal Quantitative Imaging Research Group, Department of Radiology and Biomedical Imaging, University of California, San Francisco, QB3 Building, Suite 203, 1700 4th St, San Francisco, CA, 94158, USA
    Ann Biomed Eng 41:2553-64. 2013
    ..MIN and JSW.SD were 370 and 110 μm, respectively. This study suggests that in vivo quantification of 3D joint space morphology from HR-pQCT, could improve early detection of joint damage in rheumatological diseases...
  30. doi request reprint Quantitative and semiquantitative bone erosion assessment on high-resolution peripheral quantitative computed tomography in rheumatoid arthritis
    Waraporn Srikhum
    Musculoskeletal Quantitative Imaging Research Group, Department of Radiology and Biomedical Imaging, UCSF University of California, San Francisco, CA, USA
    J Rheumatol 40:408-16. 2013
    ....
  31. pmc T1rho MRI relaxation in knee OA subjects with varying sizes of cartilage lesions
    Richard B Souza
    Department of Physical Therapy and Rehabilitation Science, University of California, San Francisco, CA, USA
    Knee 20:113-9. 2013
    ..The purpose of this investigation is to evaluate the T(1ρ) relaxation times of articular cartilage surrounding focal defects in the tibiofemoral joint...
  32. pmc Mechanism of disease in early osteoarthritis: application of modern MR imaging techniques -- a technical report
    Bjoern Jobke
    Department of Radiology and Biomedical Imaging, Musculoskeletal and Quantitative Imaging Research, University of California, San Francisco UCSF, CA 94107, USA
    Magn Reson Imaging 31:156-61. 2013
    ..Further information about articular cartilage quality otherwise not detectable in vivo, via normal inspection, is needed for orthopedic treatment decisions in the present and future...
  33. pmc In vivo 3.0-tesla magnetic resonance T1rho and T2 relaxation mapping in subjects with intervertebral disc degeneration and clinical symptoms
    Gabrielle Blumenkrantz
    Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California 94158, USA
    Magn Reson Med 63:1193-200. 2010
    ..This study suggests that T(1rho) may be sensitive to early degenerative changes (corroborating previous studies) and clinical symptoms in intervertebral disc degeneration...
  34. doi request reprint Bone marrow changes in osteoarthritis
    Thomas M Link
    Department of Radiology and Biomedical Imaging, University of California at San Francisco, San Francisco, CA 94131, USA
    Semin Musculoskelet Radiol 15:238-46. 2011
    ..In summary, bone marrow signal abnormalities are frequent MRI signs of osteoarthritis with different histological findings, typical associated abnormalities, and also clinical significance...
  35. doi request reprint Assessment of intervertebral disc degeneration with magnetic resonance single-voxel spectroscopy
    Jin Zuo
    Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, California, USA
    Magn Reson Med 62:1140-6. 2009
    ..0039). This study demonstrates for the first time that short-echo PRESS on a clinical 3T MR scanner can be used to noninvasively and can reproducibly quantify metabolic changes associated with degeneration of intervertebral discs...
  36. ncbi request reprint Identification of MRI and 1H MRSI parameters that may predict survival for patients with malignant gliomas
    Xiaojuan Li
    Magnetic Resonance Science Center, Department of Radiology, University of California, San Francisco, 1 Irving St, San Francisco, CA 94143, USA
    NMR Biomed 17:10-20. 2004
    ....
  37. pmc Quantitative MRI of articular cartilage and its clinical applications
    Xiaojuan Li
    Musculoskeletal Quantitative Imaging Research Group, Department of Radiology and Biomedical Imaging, University of California, San Francisco, California, USA
    J Magn Reson Imaging 38:991-1008. 2013
    ..Quantitative MRI provides noninvasive measures of cartilage degeneration at the earliest stages of joint degeneration, which is essential for efforts toward prevention and early intervention in OA...
  38. pmc Loading of the knee during 3.0T MRI is associated with significantly increased medial meniscus extrusion in mild and moderate osteoarthritis
    Christoph Stehling
    Musculoskeletal and Quantitative Imaging Group, Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, CA, USA
    Eur J Radiol 81:1839-45. 2012
    ..The aim is to study the influence of loading of different knee structures at 3Tesla (T) in subjects with osteoarthritis (OA) and normal controls...
  39. doi request reprint Relationship between knee kinetics during jumping tasks and knee articular cartilage MRI T1rho and T2 relaxation times
    Richard B Souza
    Department of Physical Therapy and Rehabilitation Science, University of California, San Francisco, San Francisco, CA 94107, USA
    Clin Biomech (Bristol, Avon) 27:403-8. 2012
    ..The purpose of this study was to evaluate the relationship of cartilage T(1ρ) and T(2) relaxation times with loading kinetics during jumping tasks in healthy young individuals...
  40. pmc High-resolution magic angle spinning NMR spectroscopy of human osteoarthritic cartilage
    Keerthi Shet
    Department of Radiology, University of California San Francisco, San Francisco, CA, USA
    NMR Biomed 25:538-44. 2012
    ....
  41. doi request reprint Magnetic resonance T(1 rho) imaging of osteoarthritis: a rabbit ACL transection model
    Jesus Lozano
    University of California, San Francisco School of Medicine, San Francisco, CA 94158, USA
    Magn Reson Imaging 27:611-6. 2009
    ....
  42. pmc T(1ρ) and T(2) quantitative magnetic resonance imaging analysis of cartilage regeneration following microfracture and mosaicplasty cartilage resurfacing procedures
    Daniel J Holtzman
    School of Medicine, University of California, San Francisco UCSF, San Francisco, California 94158, USA
    J Magn Reson Imaging 32:914-23. 2010
    ..To examine T(1ρ) (T1rho) and T(2) quantitative magnetic resonance imaging (MRI) in evaluating cartilage regeneration following microfracture (MFx) and mosaicplasty (MOS) cartilage resurfacing procedures...
  43. pmc Spatial distribution and relationship of T1rho and T2 relaxation times in knee cartilage with osteoarthritis
    Xiaojuan Li
    Musculoskeletal Quantitative Imaging Research Group, Department of Radiology, University of California, San Francisco, San Francisco, California 94107, USA
    Magn Reson Med 61:1310-8. 2009
    ..T(1rho) and T(2) values show different spatial distributions and may provide complementary information regarding cartilage degeneration in OA...
  44. doi request reprint High-field magnetic resonance imaging assessment of articular cartilage before and after marathon running: does long-distance running lead to cartilage damage?
    Anthony C Luke
    Anthony C Luke, University of California, San Francisco, Department of Orthopaedics, 500 Parnassus Ave, MU 320W, San Francisco, CA 94143 0728, USA
    Am J Sports Med 38:2273-80. 2010
    ..New quantitative magnetic resonance imaging (MRI) techniques used at 3.0 T have been developed including T1rho (T1ρ) and T2 relaxation time measurements that detect early cartilage proteoglycan and collagen breakdown...
  45. ncbi request reprint Local tissue properties of human osteoarthritic cartilage correlate with magnetic resonance T(1) rho relaxation times
    Simon Y Tang
    Department of Orthopaedic Surgery, University of California, San Francisco, California, USA
    J Orthop Res 29:1312-9. 2011
    ..These findings suggest that MRI T(1ρ) can provide a functional assessment of articular cartilage...
  46. pmc Technical evaluation of in vivo abdominal fat and IMCL quantification using MRI and MRSI at 3 T
    Xiaojuan Li
    Musculoskeletal Quantitative Imaging Research, Department of Radiology, University of California, San Francisco, CA 94107, USA
    Magn Reson Imaging 26:188-97. 2008
    ....
  47. doi request reprint Feasibility and reproducibility of relaxometry, morphometric, and geometrical measurements of the hip joint with magnetic resonance imaging at 3T
    Julio Carballido-Gamio
    Department of Radiology, University of California San Francisco, 1700 4th Street, San Francisco, CA 94158, USA
    J Magn Reson Imaging 28:227-35. 2008
    ..To test the feasibility of in vivo magnetic resonance T(1rho) relaxation time measurements of hip cartilage, and quantify the reproducibility of hip cartilage thickness, volume, T(2), T(1rho), and size of femoral head measurements...
  48. pmc Reproducibility of the quantitative assessment of cartilage morphology and trabecular bone structure with magnetic resonance imaging at 7 T
    Jin Zuo
    Department of Radiology, Musculoskeletal and Quantitative Imaging Research, University of California, Box 2520, San Francisco, CA 94158 2520, USA
    Magn Reson Imaging 26:560-6. 2008
    ....
  49. ncbi request reprint A feasibility study of in vivo T1rho imaging of the intervertebral disc
    Gabrielle Blumenkrantz
    Department of Radiology, University of California San Francisco, QB3 Building, Box 2520, San Francisco, CA 94158, USA
    Magn Reson Imaging 24:1001-7. 2006
    ..The purpose of this study was to test the feasibility of quantifying T1rho relaxation time in phantoms and intervertebral discs of healthy volunteers using in vivo MR imaging at 3 T...
  50. ncbi request reprint Metabolic imaging of low-grade gliomas with three-dimensional magnetic resonance spectroscopy
    Andrea Pirzkall
    Department of Radiation Oncology, University of California, San Francisco, School of Medicine, San Francisco, CA 94143, USA
    Int J Radiat Oncol Biol Phys 53:1254-64. 2002
    ..We performed a study examining the impact MRSI would have on the routine addition of 2-3-cm margins around MRI T2-weighted hyperintensity to generate the treatment planning clinical target volume (CTV) for low-grade gliomas...
  51. pmc In vivo T(1rho) mapping in cartilage using 3D magnetization-prepared angle-modulated partitioned k-space spoiled gradient echo snapshots (3D MAPSS)
    Xiaojuan Li
    Musculoskeletal Quantitative Imaging Research, Department of Radiology, University of California San Francisco, 185 Berry Street, San Francisco, CA 94107, USA
    Magn Reson Med 59:298-307. 2008
    ..6%, with regional CV ranging from 1.7% to 8.7%. The fitting errors using MAPSS were significantly lower (P < 0.05) than those using sequences without RF cycling and variable flip angles...
  52. ncbi request reprint Survival analysis in patients with glioblastoma multiforme: predictive value of choline-to-N-acetylaspartate index, apparent diffusion coefficient, and relative cerebral blood volume
    Joonmi Oh
    Magnetic Resonance Science Center, Department of Radiology, University of California, San Francisco, California 94107, USA
    J Magn Reson Imaging 19:546-54. 2004
    ....
  53. ncbi request reprint In vivo 3T spiral imaging based multi-slice T(1rho) mapping of knee cartilage in osteoarthritis
    Xiaojuan Li
    Musculo skeletal Quantitative Imaging Research MQIR, Department of Radiology, University of California, San Francisco UCSF, 94107, USA
    Magn Reson Med 54:929-36. 2005
    ..The results suggest that T(1rho) relaxation times may be a promising clinical tool for osteoarthritis detection and treatment monitoring...
  54. ncbi request reprint In vivo molecular imaging for planning radiation therapy of gliomas: an application of 1H MRSI
    Sarah J Nelson
    Mgnetic Resonance Science Center, Department of Radiology, University of California, San Francisco, California 94143, USA
    J Magn Reson Imaging 16:464-76. 2002
    ..Further work is required to integrate the results of the H-MRSI examination into the treatment planning workstation, and to improve the quality of the data using more sensitive phased array coils and higher field strength magnets...
  55. ncbi request reprint Relationship of MR-derived lactate, mobile lipids, and relative blood volume for gliomas in vivo
    Xiaojuan Li
    Center of Functional and Molecular Imaging and Department of Radiology, University of California, San Francisco, CA 94107, USA
    AJNR Am J Neuroradiol 26:760-9. 2005
    ....
  56. ncbi request reprint 3D MRSI for resected high-grade gliomas before RT: tumor extent according to metabolic activity in relation to MRI
    Andrea Pirzkall
    Department of Radiation Oncology, University of California, San Francisco, School of Medicine, San Francisco, CA 94143 0226, USA
    Int J Radiat Oncol Biol Phys 59:126-37. 2004
    ....
  57. pmc Vertebral bone marrow fat associated with lower trabecular BMD and prevalent vertebral fracture in older adults
    Ann V Schwartz
    University of California, San Francisco, San Francisco, California 94107, USA
    J Clin Endocrinol Metab 98:2294-300. 2013
    ..However, little is known about the association of BMF with fracture or with separate trabecular and cortical bone compartments...
  58. pmc Characterization of human osteoarthritic cartilage using optical and magnetic resonance imaging
    Ella F Jones
    Department of Radiology and Biomedical Imaging, Center for Molecular and Functional Imaging, University of California, 185 Berry Street, Suite 350, Box 0946, San Francisco, CA 94107, USA
    Mol Imaging Biol 14:32-9. 2012
    ..The purpose of this study is to use two imaging methods that are sensitive to molecular and macromolecular changes in OA to better characterize the disease process in human osteoarthritic cartilage...
  59. pmc Quantitative assessment of bone marrow edema-like lesion and overlying cartilage in knees with osteoarthritis and anterior cruciate ligament tear using MR imaging and spectroscopic imaging at 3 Tesla
    Xiaojuan Li
    Musculo skeletal Quantitative Imaging Research MQIR, Department of Radiology, University of California, San Francisco UCSF, San Francisco, California 94107, USA
    J Magn Reson Imaging 28:453-61. 2008
    ..To quantitatively assess bone marrow edema-like lesion (BMEL) and the overlying cartilage in osteoarthritis (OA) or anterior cruciate ligament (ACL)-injured knees using magnetic resonance imaging (MRI) and spectroscopic imaging (MRSI)...
  60. pmc Comparison of quantitative imaging of cartilage for osteoarthritis: T2, T1rho, dGEMRIC and contrast-enhanced computed tomography
    Carmen Taylor
    Department of Radiology, University of California, San Francisco, CA 94158, USA
    Magn Reson Imaging 27:779-84. 2009
    ..Together, these results indicate that T1rho, T2 and contrast-enhanced techniques may provide complementary information about the molecular environment in cartilage during the evolution of OA...
  61. ncbi request reprint Parallel imaging of knee cartilage at 3 Tesla
    Jin Zuo
    Musculoskeletal and Quantitative Imaging Research MQIR, Department of Radiology, University of California, San Francisco, San Francisco, California, USA
    J Magn Reson Imaging 26:1001-9. 2007
    ..To evaluate the feasibility and reproducibility of quantitative cartilage imaging with parallel imaging at 3T and to determine the impact of the acceleration factor (AF) on morphological and relaxation measurements...
  62. ncbi request reprint Analysis of the spatial characteristics of metabolic abnormalities in newly diagnosed glioma patients
    Xiaojuan Li
    Department of Radiology, Magnetic Resonance Science Center, University of California San Francisco, San Francisco, California 94143, USA
    J Magn Reson Imaging 16:229-37. 2002
    ..To evaluate the role of 3D MR spectroscopic imaging (MRSI) as a tool for characterizing heterogeneity within a lesion in glioma patients...
  63. pmc Insulin resistance in non-obese subjects is associated with activation of the JNK pathway and impaired insulin signaling in skeletal muscle
    Umesh B Masharani
    Department of Medicine, Diabetes Center, University of California San Francisco, San Francisco, California, United States of America
    PLoS ONE 6:e19878. 2011
    ..These stress kinases are activated through various mechanisms related to lipid oversupply locally in insulin target tissues and in various adipose depots...
  64. pmc Effects of insulin-like growth factor (IGF)-I/IGF-binding protein-3 treatment on glucose metabolism and fat distribution in human immunodeficiency virus-infected patients with abdominal obesity and insulin resistance
    Madhu N Rao
    Department of Medicine, University of California, San Francisco, San Francisco, California 94143, USA
    J Clin Endocrinol Metab 95:4361-6. 2010
    ..Treatment with GH decreases visceral adiposity but worsens glucose metabolism. IGF-I, which mediates many of the effects of GH, improves insulin sensitivity in HIV-negative individuals...
  65. ncbi request reprint Detection of posttraumatic cartilage injury using quantitative T1rho magnetic resonance imaging. A report of two cases with arthroscopic findings
    Jesus Lozano
    Department of Orthopaedic Surgery, University of California at San Francisco, 185 Berry Street, Suite 350, San Francisco, CA 94107, USA
    J Bone Joint Surg Am 88:1349-52. 2006