Abstract #1732

Quantitative characterization of liver tissue in COVID-19 recovered patients using T1 mapping, R2* mapping and MRI-PDFF

Wenjun Yu¹, Yijie Fang¹, Qikun Guo², Xiaojun Chen³, Wenhao Wu¹, Long Qian⁴, Taoyu Jia⁵, Kunwei Li¹, Chuan Huang⁶, Bing Wu⁴, and Shaolin Li¹

¹Radiology, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China, ²The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, China, ³Radiology, The First Affiliated Hospital of Sun Yat-sen University, Zhuhai, China, ⁴MR Research, GE Healthcare, Beijing, Beijing, China, ⁵The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, China, ⁶Radiology, Stony Brook Medicine, Stony Brook, New York, NY, United States

Liver injuries have been reported with strong evidence in COVID-19 patients. Whether these disturbances are presented in patients recovered from COVID-19 is still unknown. Totally 31 COVID-19 recovered patients were collected. And 37 sex- and age-matched normal controls (NC) were were further recruited. MR imaging was performed using a 3.0T scanner with T1mapping, R2* mapping and proton density fat fraction (PDFF) for all the patients. Abnormal liver T1 and PDFF values, which may be associated with subclinical renal injury due to COVID-19.

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