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• Clinical Article •
The value of MR high resolution free-breathing radial VIBE in displaying the morphological characteristics of peripheral solid pulmonary masses
DANG Shan  SHI Wei-hua  DUAN Hai-feng  MA Guang-ming  YU Nan  HAN Dong  ZHANG Zhao-guo 

DOI:10.12015/issn.1674-8034.2018.10.007.


[Abstract] Objective: To evaluate initially the diagnosis capability of no radiation-dose radial VIBE in observing the morphological characteristics of peripheral solid pulmonary masses, with the routine-dose computer tomography as a reference standard.Materials and Methods: Forty-six patients, 49 peripheral solid pulmonary masses were prospectively enrolled. The average size of the masses was about (3.87±1.91) cm, standard dose CT and radial VIBE imaging were used. Two radiologists had observed MR and CT morphological characteristics of peripheral solid pulmonary masses (lobulation, speculation, pleural indentation, spinous process, cavitation, bubblelike attenuation, halo, mediastinal lymph node enlargement and calcification). According to whether the signs are displayed or not, CT images are divided into two kinds, and the MR images are evaluated by 5 point visual scoring system. With CT as a reference standard, the ROC was used to evaluate the display capability of radial VIBE in displaying the morphological appearance of peripheral solid pulmonary masses.Results: Compared with CT, the sensitivity and specificity of radial VIBE in displaying morphological characteristics were as follows: lobulation 91.3% and 100%, respectively; speculation 90% and 78.9%, respectively; pleural indentation 62.5% and 76%, respectively; spinous process 91.1% and 83.3%, respectively; cavitation 100% and 100%; bubblelike attenuation 90%, 97.4%, respectively; halo 50%, 100%, respectively; enlarged mediastinal lymph node 94.4% and 90.3%, respectively; radial VIBE has not found these 4 cases which have calcification in CT.Conclusions: Although not as efficient as CT, the morphological characteristics of peripheral solid pulmonary masses were well visualized on radial VIBE images, such as lobulation, spiculation, spinous process, cavitation, bubblelike attenuation and mediastinal lymph node enlargement, which can be used to evaluate the morphological characteristics of peripheral solid pulmonary masses. However, radial VIBE was less effective in displaying calcification.
[Keywords] Computed tomography；Peripheral solid pulmonary mass；Morphological characteristic；Magnetic resonance imaging

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

SHI Wei-hua The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China

DUAN Hai-feng The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China

MA Guang-ming The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China

YU Nan The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China; Shaanxi University of Chinese Medicine, Xianyang 712046, China

HAN Dong The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China

ZHANG Zhao-guo* The Affiliated Hospital of Shaanxi University of Chinese Medicine, Xianyang 712000, China; Shaanxi University of Chinese Medicine, Xianyang 712046, China

*Correspondence to: Zhang ZG, E-mail: 849215084@qq.com

Conflicts of interest   None.

ACKNOWLEDGMENTS  This work was part of National Natural Science Foundation No. 81701691
Received  2018-05-05
DOI: 10.12015/issn.1674-8034.2018.10.007
DOI:10.12015/issn.1674-8034.2018.10.007.

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