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Development and Translation of Novel Hyperpolarized C-13 MRI Technologies for Prostate Cancer Clinical Research
Development and Translation of Novel Hyperpolarized C-13 MRI Technologies for Prostate Can...
Development and Translation of Novel Hyperpolarized C-13 MRI Technologies for Prostate Cancer Clinical Research

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자료유형  
 학위논문 서양
최종처리일시  
20250211153024
ISBN  
9798346875031
DDC  
610
저자명  
Gebrezgiabhier, Daniel.
서명/저자  
Development and Translation of Novel Hyperpolarized C-13 MRI Technologies for Prostate Cancer Clinical Research
발행사항  
[Sl] : University of California, San Francisco, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
192 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-06, Section: B.
주기사항  
Advisor: Vigneron, Dan.
학위논문주기  
Thesis (Ph.D.)--University of California, San Francisco, 2024.
초록/해제  
요약Prostate cancer is one of the most common cancers in men and second leading cause of death cancer in the United States of America. Current clinical imaging modalities provide limited information on prostate cancer aggressiveness and response to therapy required for optimal patient management. To reduce the mortality rates, early detection and diagnosis of prostate cancer is crucial. Thus, there is a clinical need for improved noninvasive accurate histopathologic diagnosis and grading of prostate cancer. Currently, transrectal ultrasonography (TRUS)-guided biopsy is the standard approach for histopathologic diagnosis and grading of prostate cancer. However, TRUS is limited for directly visualizing and targeting prostate lesions and therefore the fusion of magnetic resonance (MR) images with US was developed to overcome many of these limitations. The development of endorectal (ER) coils has further improved prostate tumor visualization on MR images as the endorectal coil used in an MRI-guided prostate biopsy helps provide more detailed images from the prostate and surrounding structures. However, conventional anatomic and diffusion MR images do not provide metabolic information on prostate cancer aggressiveness and extent. Recent studies with the emerging hyperpolarized (HP) carbon-13 (13C) MR imaging technique have shown that hyperpolarized (HP) 13C-pyruvate MRI in a rapid 1-minute addition to conventional proton MRI exams can detect metabolic reprogramming in prostate cancer improving the detection of aggressive cancers and for monitoring response to therapy. Dual-agent ([1- 13C]-pyruvate, [1- 13C, 15N2]-urea) hyperpolarized 13C MRI can also be used to simultaneously assess tumor metabolism and tissue perfusion in patients with localized prostate cancer; Thus, this project was designed to develop specialized hardware and software to enable multiparametric MR incorporating hyperpolarized (HP) 13C MR molecular imaging for improved characterization and MR- US fusion biopsy guidance. In this dissertation project, new methods and detector hardware to acquire and display 13C-pyruvate to 13C-lactate conversion rate constants (kPL) images were developed and applied for guiding MR-US fusion biopsies in prostate cancer patients for the first time.
일반주제명  
Bioengineering
일반주제명  
Biomedical engineering
일반주제명  
Engineering
일반주제명  
Oncology
키워드  
Active surveillance metabolic imaging
키워드  
Magnetic resonance images
키워드  
Prostate cancer
키워드  
Death cancer
키워드  
Biopsy guidance
기타저자  
University of California, San Francisco Bioengineering
기본자료저록  
Dissertations Abstracts International. 86-06B.
전자적 위치 및 접속  
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MARC

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■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a610
■1001  ▼aGebrezgiabhier,  Daniel.▼0(orcid)0000-0002-8118-3931
■24510▼aDevelopment  and  Translation  of  Novel  Hyperpolarized  C-13  MRI  Technologies  for  Prostate  Cancer  Clinical  Research
■260    ▼a[Sl]▼bUniversity  of  California,  San  Francisco▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a192  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-06,  Section:  B.
■500    ▼aAdvisor:  Vigneron,  Dan.
■5021  ▼aThesis  (Ph.D.)--University  of  California,  San  Francisco,  2024.
■520    ▼aProstate  cancer  is  one  of  the  most  common  cancers  in  men  and  second  leading  cause  of  death  cancer  in  the  United  States  of  America.  Current  clinical  imaging  modalities  provide  limited  information  on  prostate  cancer  aggressiveness  and  response  to  therapy  required  for  optimal  patient  management.  To  reduce  the  mortality  rates,  early  detection  and  diagnosis  of  prostate  cancer  is  crucial.  Thus,  there  is  a  clinical  need  for  improved  noninvasive  accurate  histopathologic  diagnosis  and  grading  of  prostate  cancer.  Currently,  transrectal  ultrasonography  (TRUS)-guided  biopsy  is  the  standard  approach  for  histopathologic  diagnosis  and  grading  of  prostate  cancer.  However,  TRUS  is  limited  for  directly  visualizing  and  targeting  prostate  lesions  and  therefore  the  fusion  of  magnetic  resonance  (MR)  images  with  US  was  developed  to  overcome  many  of  these  limitations.  The  development  of  endorectal  (ER)  coils  has  further  improved  prostate  tumor  visualization  on  MR  images  as  the  endorectal  coil  used  in  an  MRI-guided  prostate  biopsy  helps  provide  more  detailed  images  from  the  prostate  and  surrounding  structures.  However,  conventional  anatomic  and  diffusion  MR  images  do  not  provide  metabolic  information  on  prostate  cancer  aggressiveness  and  extent.  Recent  studies  with  the  emerging  hyperpolarized  (HP)  carbon-13  (13C)  MR  imaging  technique  have  shown  that  hyperpolarized  (HP)  13C-pyruvate  MRI  in  a  rapid  1-minute  addition  to  conventional  proton  MRI  exams  can  detect  metabolic  reprogramming  in  prostate  cancer  improving  the  detection  of  aggressive  cancers  and  for monitoring  response  to  therapy.  Dual-agent  ([1-  13C]-pyruvate,  [1-  13C,  15N2]-urea)  hyperpolarized  13C  MRI  can  also  be  used  to  simultaneously  assess  tumor  metabolism  and  tissue  perfusion  in  patients  with  localized  prostate  cancer;  Thus,  this  project  was  designed  to  develop  specialized  hardware  and  software  to  enable  multiparametric  MR  incorporating  hyperpolarized  (HP)  13C  MR  molecular  imaging  for  improved  characterization  and  MR-  US  fusion  biopsy  guidance.  In  this  dissertation  project,  new  methods  and  detector  hardware  to  acquire  and  display  13C-pyruvate  to  13C-lactate  conversion  rate  constants  (kPL)  images  were  developed  and  applied  for  guiding  MR-US  fusion  biopsies  in  prostate  cancer  patients  for  the  first  time.
■590    ▼aSchool  code:  0034.
■650  4▼aBioengineering
■650  4▼aBiomedical  engineering
■650  4▼aEngineering
■650  4▼aOncology
■653    ▼aActive  surveillance  metabolic  imaging
■653    ▼aMagnetic  resonance  images
■653    ▼aProstate  cancer
■653    ▼aDeath  cancer
■653    ▼aBiopsy  guidance
■690    ▼a0202
■690    ▼a0541
■690    ▼a0537
■690    ▼a0992
■71020▼aUniversity  of  California,  San  Francisco▼bBioengineering.
■7730  ▼tDissertations  Abstracts  International▼g86-06B.
■790    ▼a0034
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17164623▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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