Diffusion-Weighted Imaging of Sellar Region: A Comparison Study of BLADE sequence and Single-Shot Echo Planar Imaging sequence
Yiping Lu 1 , Bo Yin 2 , and Daoying Geng 2
Radiology Department, Huashan Hospital
affiliated to Fudan University, Shanghai, Shanghai,
Department, Huashan Hospital affiliated to Fudan
University, Shanghai, China
Purpose:To compare the DWI image quality in BLADE and
single-shot EPI sequence in sellar region. Methods: 3
healthy volunteers and 52 patients with sellar lesions
participated in this prospective intra-individual study.
Scanings were performed at 3.0T with BLADE DWI and
single-shot EPI DWI sequence. SNR and image quality were
evaluated. Lesions` sizes were measured for detecting
their relationship with the image scores. Results: SNR
showed no difference between two sequence and BLADE
overperformed in image quality. The minimal lesion`s
size for visualization was 12mm in BLADE and 28mm in EPI
DWI. ConclusionBLADE DWI MRI can reduce artifacts and
enhance the image quality in sellar region.
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