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- W2377559834 abstract "Objective To evaluate the value of dynamic gadolinium-enhanced MR imaging for T3 staging in midlow rectal carcinoma. Methods Eighty-four patients with histopathologically proven rectal carcinoma underwent dynamic gadolinium-enhanced MRI examination before surgery. Sixty-six cases had T3 stage cancer. Signs of the depth of local invasion of T3 stage on gadolinium-enhanced MR imaging were analyzed. The imaging findings were compared with pathological findings. Diagnostic accuracy,sensitivity,specificity,positive predictive value (PPV),and negative predictive value (NPV) of T3-staging were calculated. Differences in border contour and enhancement pattern between cancerous and non-cancerous speculations in mesorectal fat were compared. Results The diagnostic accuracy,sensitivity,specificity,PPV and NPV of T3-staging were 86.90%,90.91%,72.22%,92.31%,and 68.42%,respectively. The border contour and the enhanced pattern significantly differed between cancerous and non-cancerous speculations (P0.05). Incorrectly judging the cancerous spiculations as non-cancerous spiculations on gadolinium-enhanced MR imaging would lead to a lower T-stage. Conclusion Correctly analyzing the border contour and enhancement pattern of spiculations in mesorectal fat could improve diagnostic accuracy of T3-staging in mid-low rectal carcinoma." @default.
- W2377559834 created "2016-06-24" @default.
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- W2377559834 date "2012-01-01" @default.
- W2377559834 modified "2023-09-27" @default.
- W2377559834 title "Gadolinium-enhanced MR imaging for T_3 staging in mid-low rectal carcinoma" @default.
- W2377559834 hasPublicationYear "2012" @default.
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