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• Technical Article •
The comparative study of T1-weighted star-vibe sequence and computed tomography for the assessment of pulmonary parenchyma diseases
REN Zhanli  ZHANG Min  LEI Yuxin  DANG Shan  DUAN Haifeng  GUO Changyi  WANG Shaoyu  YU Yong  HE Taiping  YU Nan 

Cite this article as: Ren ZL, Zhang M, Lei YX, et al. The comparative study of T1-weighted star-vibe sequence and computed tomography for the assessment of pulmonary parenchyma diseases. Chin J Magn Reson Imaging, 2019, 10(6): 440-444. DOI:10.12015/issn.1674-8034.2019.06.009.


[Abstract] Objective: To explore the performance of pulmonary MR imaging with free-breathing T1-weighted star vibe sequence and computed tomography (CT) in the assessment of pulmonary parenchyma diseases.Materials and Methods: 30 consecutive patients with various pulmonary parenchyma lesions were detected on chest thin-section standard-dose CT as well as pulmonary MR imaging with star vibe. Pulmonary parenchyma diseases were assessed on star vibe sequence and CT images, including masses (≥3 cm), nodules (<3 cm), consolidation, patchy shadow, cords focal, mesh shadow, ground glass density, mediastinal lymph nodes, pleural thickening, pleural effusion, emphysema, pulmonary bullae, traction bronchiectasis and so on. Chest CT images of each patient were reviewed by a chest radiologists with 25 years of experience, and the results were used as the reference standard for radiological findings. Then all images obtained with standard-dose CT and star vibe sequence were independently and double-blindly evaluated by two chest radiologists using a 5-point scoring criteria. The detection rate of star-vibe sequence for pulmonary parenchyma diseases was calculated.Results: The detection rates of pulmonary masses, consolidation, mediastinal lymph nodes and pleural effusion were 100% with STAR-VIBE sequence, the subjective scores of which were higher than 4-point and showed no significant difference between STAR-VIBE and CT (P>0.05). The MR imaging can detect pulmonary nodules and pleural thickening with a high rate about 94.2% and 92.9%, and the ground glass density, patchy shadow, mesh shadow, cords focal can also be displayed at a high rate with 80.1%, 85.2%, 85.7% and 88.0%, and the detection rates of traction bronchiectasis (66.7%) was higher than emphysema and bullae and lower than other pulmonary emphysema diseases, the subjective scores of which with STAR-VIBE were higher than 3-point. The pulmonary MR free-breathing T1-weighted 3D star vibe would miss all emphysema and bullae, and the subjective score were less than 2-point with STAR-VIBE.Conclusions: Pulmonary MR imaging with free-breathing T1- weighted 3D STAR-VIBE sequence is feasible for the assessment of pulmonary and mediastinal diseases and help to evaluate the radiological findings for patients with various pulmonary parenchyma diseases without radiation dose.
[Keywords] magnetic resonance imaging；STAR-VIBE sequence；lung diseases；computed tomography

REN Zhanli Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China; Shaanxi University of Chinese Medicine, Xianyang 712000, China; The Second Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China

ZHANG Min Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China

LEI Yuxin Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China

DANG Shan Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China

DUAN Haifeng Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China

GUO Changyi Shaanxi University of Chinese Medicine, Xianyang 712000, China; The Second Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China

WANG Shaoyu Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China

YU Yong Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China

HE Taiping Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China

YU Nan* Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China; Shaanxi University of Chinese Medicine, Xianyang 712000, China

*Correspondence to: Yu N, E-mail: 349863320@qq.com

Conflicts of interest   None.

ACKNOWLEDGMENTS  This work was part of National Natural Science Foundation of China No. 81701691
Received  2018-11-17
Accepted  2019-01-30
DOI: 10.12015/issn.1674-8034.2019.06.009
Cite this article as: Ren ZL, Zhang M, Lei YX, et al. The comparative study of T1-weighted star-vibe sequence and computed tomography for the assessment of pulmonary parenchyma diseases. Chin J Magn Reson Imaging, 2019, 10(6): 440-444. DOI:10.12015/issn.1674-8034.2019.06.009.

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