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胃神经鞘瘤的计算机断层扫描特征

Computed tomographic characteristics of gastric schwannoma.

作者信息

Wang Wei, Cao Kaiming, Han Yang, Zhu Xiaoli, Ding Jianhui, Peng Weijun

机构信息

1 Department of Radiology, Fudan University Shanghai Cancer Center (FUSCC), Shanghai, PR China.

2 Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, PR China.

出版信息

J Int Med Res. 2019 May;47(5):1975-1986. doi: 10.1177/0300060519833539. Epub 2019 Mar 14.

DOI:10.1177/0300060519833539
PMID:30871392
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6567782/
Abstract

OBJECTIVE

This study aimed to characterize the computed tomographic (CT) features of gastric schwannoma (GS).

METHODS

We retrospectively reviewed CT images of 19 cases of histologically proven GS between January 2010 and December 2015. Tumor location, size, contour, margin, growth pattern, and degree and pattern of enhancement, perigastric lymph nodes, ulceration, necrosis, and calcification were evaluated.

RESULTS

GS was located in the gastric body (73.7%), gastric antrum (15.8%), and gastric fundus (10.5%), with a mean maximum diameter of 4.5 ± 1.8 cm. All tumors presented as oval, well-defined solid masses, with exophytic (36.8%), endoluminal (15.8%), or mixed (47.4%) growth patterns. Ulcers (57.9%) and perigastric lymph nodes (47.4%) were observed. Moderate enhancement (87.5%) was observed in the portal phase. Eighteen (94.7%) cases showed homogeneous enhancement.

CONCLUSIONS

GS typically presents as a mass in the stomach with an exophytic or mixed growth pattern, moderate homogeneous enhancement, and is prone to be accompanied by perigastric lymph node inflammatory reactive swelling. Larger GSs are more likely to be associated with ulcers.

摘要

目的

本研究旨在描述胃神经鞘瘤（GS）的计算机断层扫描（CT）特征。

方法

我们回顾性分析了2010年1月至2015年12月间19例经组织学证实的GS的CT图像。评估肿瘤的位置、大小、轮廓、边缘、生长方式、强化程度和方式、胃周淋巴结、溃疡、坏死及钙化情况。

结果

GS位于胃体部（73.7%）、胃窦部（15.8%）和胃底部（10.5%），平均最大直径为4.5±1.8cm。所有肿瘤均表现为椭圆形、边界清晰的实性肿块，生长方式为外生性（36.8%）、腔内型（15.8%）或混合型（47.4%）。观察到溃疡（57.9%）和胃周淋巴结（47.4%）。门静脉期可见中度强化（87.5%）。18例（94.7%）表现为均匀强化。

结论

GS通常表现为胃内肿块，具有外生性或混合型生长方式，中度均匀强化，且易伴有胃周淋巴结炎性反应性肿大。较大的GS更易合并溃疡。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7bee/6567782/1c34cdd39e85/10.1177_0300060519833539-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7bee/6567782/68eac2011657/10.1177_0300060519833539-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7bee/6567782/f9055a8a3f1c/10.1177_0300060519833539-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7bee/6567782/b760cddf7c08/10.1177_0300060519833539-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7bee/6567782/e94877b95e84/10.1177_0300060519833539-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7bee/6567782/c51fae3d8895/10.1177_0300060519833539-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7bee/6567782/1c34cdd39e85/10.1177_0300060519833539-fig6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7bee/6567782/68eac2011657/10.1177_0300060519833539-fig1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7bee/6567782/f9055a8a3f1c/10.1177_0300060519833539-fig2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7bee/6567782/b760cddf7c08/10.1177_0300060519833539-fig3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7bee/6567782/e94877b95e84/10.1177_0300060519833539-fig4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7bee/6567782/c51fae3d8895/10.1177_0300060519833539-fig5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7bee/6567782/1c34cdd39e85/10.1177_0300060519833539-fig6.jpg

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