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Abstract #3619

Diffusion-Relaxation Correlation Spectrum Imaging for the Assessment of Pituitary Macroadenomas Consistency: A Preliminary Study

Chun-Qiu Su1, Wentao Hu2, Xun-Ning Hong1, Shan-Shan Lu1, and Yongming Dai2
1Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China, 2United Imaging Healthcare, Shanghai, China


Preoperative evaluation of the consistency of pituitary macroadenomas plays a significant role in the determination of the surgical strategy. However, previous studies concerning the assessment of tumor consistency of macroadenomas were controversial1-4. Diffusion-relaxation correlation spectrum imaging (DR-CSI), which provides a correlation spectrum of both water molecular diffusion and T2 relaxation, could be used to resolve the information of tissue compositions, compartments, and heterogeneity at a sub-voxel level. The purpose of our study is to evaluate the utility of DR-CSI in assessing the consistency of pituitary macroadenomas.

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