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European Radiology

Erschienen in:

01.03.2010 | Gastrointestinal

Determining gastric cancer resectability by dynamic MDCT

verfasst von: Zilai Pan, Huan Zhang, Chao Yan, Lianjun Du, Bei Ding, Qi Song, Huawei Ling, Baisong Huang, Kemin Chen

Erschienen in: European Radiology | Ausgabe 3/2010

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Abstract

Purpose

Multi-detector row CT (MDCT) has been widely used to detect primary lesions and to evaluate TNM staging. In this study we evaluated the accuracy of dynamic MDCT in the preoperative determination of the resectability of gastric cancer.

Methods

MDCT was used to image 350 cases of gastric cancer diagnosed by biopsy before surgery. MDCT findings regarding TNM staging and resectability were correlated with surgical and pathological findings.

Results

The accuracy of MDCT for staging gastric cancer was high, especially for tumour stage T1 (94.3%), lymph node stage N2 (87.3%), and for predicting distant metastases (>96.6%). When resectability was considered to be the outcome, the total accuracy of MDCT was 87.4%, sensitivity was 89.7% and specificity was 76.7%. Results showed high sensitivity for identifying peritoneal seeding (90.0%) and for predicting liver metastasis (80.0%).

Conclusion

Dynamic enhanced MDCT is useful for TNM staging of gastric cancers and for predicting tumour respectability preoperatively.

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Titel: Determining gastric cancer resectability by dynamic MDCT
verfasst von: Zilai Pan
Huan Zhang
Chao Yan
Lianjun Du
Bei Ding
Qi Song
Huawei Ling
Baisong Huang
Kemin Chen
Publikationsdatum: 01.03.2010
Verlag: Springer-Verlag
Erschienen in: European Radiology / Ausgabe 3/2010
Print ISSN: 0938-7994
Elektronische ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-009-1576-2

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Determining gastric cancer resectability by dynamic MDCT