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Abstract #4132

Apparent Diffusion Coefficient Value of Gastric Cancer by Diffusion-Weighted Imaging: Correlations with the Histologic Differentiation and Lauren Classification

Zhengyang Zhou 1 , Song Liu 1 , Jian He 1 , and Wenxian Guan 2

1 Radiology, Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China, 2 Gastrointestinal Surgery, Drum Tower Hospital, School of Medicine, Nanjing University, Nanjing, Jiangsu, China

Sixty-nine patients with gastric cancer underwent preoperative diffusion-weighted MRI and surgical resection. Mean and min ADC values of each gastric cancer as well as normal gastric walls were obtained. Meanwhile, histologic type, differentiation degree and Lauren classification of each resected specimen were determined. There were significant differences of mean and min ADC values among gastric cancers with different histologic types, differentiation degrees and Lauren classifications. Mean and min ADC values correlated with histologic differentiation and Lauren classification significantly. We concluded the ADC values may be helpful in evaluating gastric cancers histologic features, such as histologic types, differentiation degrees and Lauren.

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