Application Value of Magnetic Resonance IVIM Imaging in Predicting TN Stage, Differentiation and Vascular Invasion of Rectal Cancer

doi:10.7517/issn.1674-0475.200604

Abstract

Abstract: To explore the value of magnetic resonance IVIM imaging in the prediction of TN staging, differentiation and vascular invasion of rectal cancer. Routine MRI and IVIM scanning were performed in 43 patients with rectal cancer. The IVIM parameters of the lesions were obtained and analyzed by post-processing software, then surgeries were performed within one week and the tumors were sent for pathological examination. As the T stage increased, the D value decreased and the D^* value increased (P<0.05).The lower the pathological differentiation degree of rectal adenocarcinoma, the lower the D value and the higher the D^* value (P<0.05).The D value was statistically significant between the two groups of rectal cancer with or without lymph node metastasis(P<0.05).The IVIM parameters were not statistically significant between the two groups with or without vascular invasion of rectal cancer (P>0.05). Therefore,D and D^* value can assist in the T staging of rectal cancer and predict the degree of pathological differentiation. D value is also useful in the diagnosis of lymph node metastasis.

Key words: MRI, IVIM, rectal cancer, TN stage, pathological grading, vascular invasion

DUAN Shufeng, FENG Feng. Application Value of Magnetic Resonance IVIM Imaging in Predicting TN Stage, Differentiation and Vascular Invasion of Rectal Cancer[J]. Imaging Science and Photochemistry, 2020, 38(6): 1088-1093.

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