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DOI:10.2214/AJR.05.0611
AJR 2006; 187:W406-W414
© American Roentgen Ray Society

Pictorial Essay

Hepatic Hemangiomas with Arterioportal Shunt: Sonographic Appearances with CT and MRI Correlation

Kyoung Won Kim1, Ah Young Kim1, Tae Kyoung Kim1,2, So Yeon Kim1, Min-Jeong Kim1, Mi-Suk Park1,3, Seong Ho Park1, Kyung Ho Lee4, Jeong Kon Kim1, Pyo-Nyun Kim1, Hyun Kwon Ha1 and Moon-Gyu Lee1

1 Department of Radiology, Asan Medical Center, University of Ulsan College of Medicine, 388-1, Pungnap-2 dong, Songpa-ku, Seoul, South Korea 138-736.
2 Department of Medical Imaging, Toronto General Hospital, Toronto, ON, Canada.
3 Department of Radiology, YongDong Severance Hospital, Seoul, South Korea.
4 Department of Radiology, Seoul National University Bundang Hospital, Seong Nam, South Korea.

OBJECTIVE. The purpose of this study was to summarize and illustrate the sonographic appearance of hepatic hamangiomas with arterioportal shunt and to correlate them with CT and MRI findings.

CONCLUSION. High-flow hepatic hemangiomas tend to be seen as hypoechoic lesions at sonography. In the presence of fatty infiltration in the liver, they may accompany peritumoral low-echoic areas presumably caused by peritumoral sparing of fatty infiltration similar to a hyperattenuating or hyperintense peritumoral rim on unenhanced CT or MR chemical shift imaging. Color Doppler sonography may reveal intratumoral flows, large feeding arteries, and reversal of portal flow around the tumor. Knowledge of such sonographic findings may ensure an accurate sonographic diagnosis of these tumors.

Keywords: arterioportal shunt • CT • genitourinary tract imaging • hepatic hemangiomas • hysterosalpingography • MRI • sonography


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