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Abstract #4023

Peripheral Low Intensity Sign in Hepatic Hemangioma: Diagnostic Pitfall in Hepatobiliary Phase of Gd-EOB-DTPA Enhanced MR Imaging of the Liver

Tsutomu Tamada1, Atsushi Higaki1, Tomohiro Sato1, Akihiko Kanki1, Hiroki Higashi1, Akira Yamamoto1, Katsuyoshi Ito1

1Radiology, Kawasaki Medical School, Kurashiki City, Okayama, Japan

The gperipheral washout signh in the late phase of dynamic contrast-enhanced MR imaging (DCE-MRI) using purely extracellular Gd chelates has been considered as a specific sign of malignant hepatic tumors such as hepatic metastases. We compared the frequency of the presence of gperipheral low intensity signh between the hepatic hemangiomas and the hepatic metastases on the hepatobiliary phase of DCE-MRI obtained with Gd-EOB-DTPA. As the results, radiologists should recognize that peripheral low intensity sign is not specific for malignant tumors such as liver metastases, and can be seen even in hepatic hemangiomas on hepatobiliary phase of Gd-EOB-DTPA enhanced MR imaging.