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Comparison of the image quality of turbo spin echo- and echo-planar diffusion-weighted images of the oral cavity.

Abstract The purpose of this study was to compare the image quality of turbo spin echo (TSE) diffusion-weighted imaging (DWI) and echo-planar imaging (EPI) of the oral cavity region.This retrospective study included 26 patients who had undergone both TSE- and EPI-DWI. Misregistration of DWI with T2-TSE images was assessed in the oral cavity. We also compared geometric distortion, the signal-to-noise ratio (SNR), contrast, and the apparent diffusion coefficient (ADC) for the tongue parotid gland, and spinal cord. On a 5-point scale, 2 radiologists scored the TSE- and EPI-DWI of each patient for ghost artifacts, image contrast, and overall image quality.Distortion in the phase-encoded direction was significantly lower on TSE- than EPI-DWI. The SNR of the tongue and parotid gland was significantly higher on TSE than EPI-DWI except spinal cord. No significant difference was found in contrast and ADC values (except for the ADC of tongue). TSE-DWI yielded higher qualitative scores for all parameters except image contrast.For the oral cavity region, TSE-DWI was superior to EPI-DWI with respect to distortion-free images and superior image quality.
PMID
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Authors

Mayor MeshTerms

Diffusion Magnetic Resonance Imaging

Keywords
Journal Title medicine
Publication Year Start




PMID- 29742688
OWN - NLM
STAT- MEDLINE
DCOM- 20180515
LR  - 20180515
IS  - 1536-5964 (Electronic)
IS  - 0025-7974 (Linking)
VI  - 97
IP  - 19
DP  - 2018 May
TI  - Comparison of the image quality of turbo spin echo- and echo-planar
      diffusion-weighted images of the oral cavity.
PG  - e0447
LID - 10.1097/MD.0000000000010447 [doi]
AB  - The purpose of this study was to compare the image quality of turbo spin echo
      (TSE) diffusion-weighted imaging (DWI) and echo-planar imaging (EPI) of the oral 
      cavity region.This retrospective study included 26 patients who had undergone
      both TSE- and EPI-DWI. Misregistration of DWI with T2-TSE images was assessed in 
      the oral cavity. We also compared geometric distortion, the signal-to-noise ratio
      (SNR), contrast, and the apparent diffusion coefficient (ADC) for the tongue
      parotid gland, and spinal cord. On a 5-point scale, 2 radiologists scored the
      TSE- and EPI-DWI of each patient for ghost artifacts, image contrast, and overall
      image quality.Distortion in the phase-encoded direction was significantly lower
      on TSE- than EPI-DWI. The SNR of the tongue and parotid gland was significantly
      higher on TSE than EPI-DWI except spinal cord. No significant difference was
      found in contrast and ADC values (except for the ADC of tongue). TSE-DWI yielded 
      higher qualitative scores for all parameters except image contrast.For the oral
      cavity region, TSE-DWI was superior to EPI-DWI with respect to distortion-free
      images and superior image quality.
FAU - Hirata, Kenichiro
AU  - Hirata K
AD  - Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto.
FAU - Nakaura, Takeshi
AU  - Nakaura T
AD  - Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto.
FAU - Okuaki, Tomoyuki
AU  - Okuaki T
AD  - Philips Electronics Japan, Medical Systems, Tokyo.
FAU - Kidoh, Masafumi
AU  - Kidoh M
AD  - Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto.
FAU - Oda, Seitaro
AU  - Oda S
AD  - Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto.
FAU - Utsunomiya, Daisuke
AU  - Utsunomiya D
AD  - Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto.
FAU - Namimoto, Tomohiro
AU  - Namimoto T
AD  - Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto.
FAU - Kitajima, Mika
AU  - Kitajima M
AD  - Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto.
FAU - Nakayama, Hideki
AU  - Nakayama H
AD  - Oral and Maxillofacial Surgery, Kumamoto University, Kumamoto, Japan.
FAU - Yamashita, Yasuyuki
AU  - Yamashita Y
AD  - Diagnostic Radiology, Faculty of Life Sciences, Kumamoto University, Kumamoto.
LA  - eng
PT  - Comparative Study
PT  - Journal Article
PL  - United States
TA  - Medicine (Baltimore)
JT  - Medicine
JID - 2985248R
SB  - AIM
SB  - IM
MH  - Aged
MH  - *Diffusion Magnetic Resonance Imaging/instrumentation/methods
MH  - Dimensional Measurement Accuracy
MH  - Echo-Planar Imaging/*methods
MH  - Female
MH  - Humans
MH  - Japan
MH  - Magnetic Resonance Imaging/*methods
MH  - Male
MH  - Middle Aged
MH  - Mouth/*diagnostic imaging
MH  - Mouth Neoplasms/*diagnosis
MH  - Reproducibility of Results
EDAT- 2018/05/10 06:00
MHDA- 2018/05/16 06:00
CRDT- 2018/05/10 06:00
PHST- 2018/05/10 06:00 [entrez]
PHST- 2018/05/10 06:00 [pubmed]
PHST- 2018/05/16 06:00 [medline]
AID - 10.1097/MD.0000000000010447 [doi]
AID - 00005792-201805110-00007 [pii]
PST - ppublish
SO  - Medicine (Baltimore). 2018 May;97(19):e0447. doi: 10.1097/MD.0000000000010447.