The differential enhancement pattern of contrast enhanced ultrasound and magnetic resonance imaging characteristics in hepatic angiomyolipoma: 7 case reports

Clinical Hemorheology and Microcirculation
Wen-Tao KongMin Wu

Abstract

To compare the enhancement pattern of hepatic angiomyolipoma (HAML) on contrast enhanced ultrasound (CEUS) and magnetic resonance (MR). The data of seven patients (females; age 28-52 years; mean, 42 years) with histologically proven HAMLs were retrospectively reviewed. All patients underwent CEUS and MR examination. The images were analyzed by two experienced doctors who blinded to the clinical and pathological information of cases. The mean diameter of the nodule was 5.7 cm (range: 3.2-10 cm). Histopathologic results revealed 4 nodules to be myomatous type and 3 nodules to be mixed type. All nodules showed hyperenhanced during arterial phase on both CEUS and MRI. During portal and delayed phase, washout was more showed on MRI (5/7, 71.4%) than on CEUS (2/7, 28.6%). There is discrepancy of enhancement pattern between CEUS and MRI. The quick wash-in and sustained hyperenhancement on CEUS may be helpful for the diagnosis of HAML.

References

Jan 15, 1999·The American Journal of Surgical Pathology·W M TsuiA P Dhillon
Apr 17, 2007·Journal of Gastrointestinal Surgery : Official Journal of the Society for Surgery of the Alimentary Tract·Ching-Yao YangPo-Huang Lee
Feb 19, 2010·Digestive Diseases and Sciences·Jian-Ping ZengXiao-Ping Pang
May 23, 2012·Abdominal Imaging·Jian-song JiJing-jing Song
Sep 15, 2015·Surgical Case Reports·Kunitaka KuramotoHideo Baba

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