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Abstract #2586

Readout-segmented Echo-planar Imaging for Determining Cervical Cancer’s Lymph-Vascular Space Invasion and Lymph Node Metastasis Status

Huizhen Song1, Jiao Bai1, Yu Wang1, Juan Xie1, Mengping Huang1, Yunzhu Wu2, Shaoyu Wang3, and Jian Shu1
1Department of Radiology, Affiliated Hospital of Southwest Medical University, Luzhou,SiChuan, China, 2MR Scientific Marketing, Siemens Healthineers, Shanghai, China, 3MR Scientific Marketing, Siemens Healthineers, Xi’an, Shaanxi, China


This study compared the image quality of single-shot echo-planar imaging (ss-EPI) and readout-segmented echo-planar imaging (rs-EPI) in cervical cancer (CC). ADC values derived from these two sequences were considered as diagnostic capabilities for CC’s lymph-vascular space invasion (LVSI) and lymph node metastasis (LNM). The results showed that rs-EPI images of cervical cancer had higher subjective image quality scores, lower SNR, but no difference in CNR and ADC values. ADC was able to predict the CC’s LNM status,but couldn’t identify the LVSI status. ADC of rs-EPI sequence was superior to diagnose CC’s LNM status.

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