Prostate Adenocarcinoma Clinical Trial
Official title:
Whole-Body 3D T1-weighted MR Imaging Anatomical Sequences: GE mDixon vs FSE (View) Approaches in Prostate Cancer. Comparison of Diagnostic Performance of GE mDixon and FSE, for Bone and Node Staging in Patients With Prostate Cancer.
This study will assess and compare the diagnostic performances and image quality of two WB 3D T1-weighted MR imaging sequences for bone and node staging in patients with prostate cancer : the FSE sequence and a gradient echo (GE) sequence. The latter sequence's main feature is its acquisition time of approximately 1.5 minutes, compared to 18 min for the FSE sequence, reducing the exam's acquisition time, patient discomfort and increasing machine availability.
Whole-body (WB) magnetic resonance (MR) imaging has increasingly been used for the screening
of bone and soft-tissue metastases in patients with prostate cancer (1). A limitation for its
implementation is the 45-60 minutes duration of current WB MRI examinations. Conventional WB
MR imaging studies consisted of anatomical two-dimensional (2D) T1-weighted and
fat-suppressed fluid-sensitive (proton-density fat-saturated (PDFS) or short-tau
inversion-recovery (STIR)) and of a functional diffusion-weighted imaging sequence. Recent
research has confirmed the feasibility of replacing the 2D anatomical sequences by a single
three-dimensional (3D) T1-weighted fast spin echo (FSE) sequence (2).
This study will assess and compare the diagnostic performances and image quality of two WB 3D
T1-weighted MR imaging sequences for bone and node staging in patients with prostate cancer :
the FSE sequence and a gradient echo (GE) sequence. The latter sequence's main feature is its
acquisition time of approximately 1.5 minutes, compared to 18 min for the FSE sequence,
reducing the exam's acquisition time, patient discomfort and increasing machine availability.
The aim of this study is to evaluate the feasibility of the replacement of the WB 3D
T1-weighted FSE MR imaging sequence by the WB 3D T1-weighted GE MR imaging sequence.
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