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Chinese Archives of General Surgery(Electronic Edition) ›› 2017, Vol. 11 ›› Issue (06): 414-417. doi: 10.3877/cma.j.issn.1674-0793.2017.06.013

Special Issue:

• Original Article • Previous Articles     Next Articles

Imaging manifestation and differential diagnosis of multi-slice spiral CT in high-risk gastrointestinal stromal tumors involving gastric bare area

Tao Wang1, Meijuan Chen2, Wei Huang1, Yu Mao3, Rong Chen4,()   

  1. 1. Department of Radiology, Leshan People's Hospital , Leshan 614000, China
    2. Department of Geriatric, Leshan People's Hospital , Leshan 614000, China
    3. Department of Pathology, Leshan People's Hospital , Leshan 614000, China
    4. Department of Radiology, Institute of Surgery Research, Daping Hospital, the Third Military Medical University, Chongqing 400042, China; Department of Radiology, Huatai International Hospital, Guang'an 638000, China
  • Received:2017-08-25 Online:2017-12-01 Published:2017-12-01
  • Contact: Rong Chen
  • About author:
    Corresponding author: Chen Rong, Email:

Abstract:

Objective

To study the imaging manifestation and clinical value of multi-slice spiral CT (MSCT) in high-risk gastrointestinal stromal tumors involving gastric bare area.

Methods

Three cases of high-risk gastrointestinal stromal tumors involving gastric bare area were successfully diagnosed by histopathologic examination from October 2014 to September 2016 in Leshan People's Hospital. All cases were examined by plain MSCT scan, enhanced CT scan and multiplanar reformation. Tumors were evaluated according to the clinical data, size, location, morphology, growth pattern, degree of enhancement, manner, cystic necrosis, hemorrhage, calcification and lymph nodes.

Results

The three cases all presented huge soft tissue masses with uneven densities, heterogeneous enhancement accompanied with lesion cystic or necrosis. The solid part showed mild to moderate enhancement. One case showed mixed type, the others were extra luminal type. Preoperative diagnosis was correct in one case, the other two cases were misdiagnosed. The imagines of CT cross-sectional and images multiplanar reconstructions showed that tumors were always located close to the gastric bare area.

Conclusion

MSCT imaging can clearly display the features of high risk stromal tumors involving gastric bare area, which is helpful for accurate diagnosis before operation, and provides reference information for the design of treatment protocols.

Key words: Gastrointestinal stromal tumors, Tomography, spiral computed, Gastric bare area, Image processing, computer-assisted

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