Kenji Matsuzaki MD, PhD, Presenter: Nothing to Disclose

Mayumi Takeuchi MD, PhD, Abstract Co-Author: Nothing to Disclose

Masafumi Harada MD, PhD, Abstract Co-Author: Nothing to Disclose

1. Hepatic hemangiomas and other hemangiomatous tumors and tumor-like lesions may show characteristic clinical and imaging manifestations reflecting their pathologic features. Various degeneration in hemangiomas, and surrounding parenchymal changes may influence the imaging manifestations of hemangiomas. 2. Recognizing the various imaging manifestations of hemangiomas and other hemangiomatous lesions, and making an accurate diagnosis by using problem-solving MR techniques are important for appropriate management of patients.

Etiology, clinicopathologic features and imaging manifestations: -Cavernous hemangioma (Typical, Small high-flow, Giant, Pedunculated) -Sclerosed hemangioma and Solitary necrotic nodule as the end-stage of the disease -Hemangiomatosis -Angiomyolipoma /Epithelioid angiomyolipoma -Angiosarcoma -Peliosis hepatis Degeneration of hemangiomas (Hyalinization, Cystic formation, Fibrosis, Calcification, Thrombosis) Surrounding parenchymal changes (Co-existing fatty infiltration of the liver with peritumoral focal spared areas, peripheral parenchymal retraction, arterial-portal venous shunts) Problem-solving MR techniques: Fat-saturation; Chemical shift imaging (CSI); DCE-MRI; DWI; SPIO-MRI; Gd-EOB-MRI

http://abstract.rsna.org/uploads/2014/14017744/14017744_hzy2.pdf

Matsuzaki, K, Takeuchi, M, Harada, M, Hepatic Hemangiomas and Other Hemangiomatous Lesions: CT and MR Imaging Manifestations, Pitfalls and Problem-solving MR Techniques.  Radiological Society of North America 2014 Scientific Assembly and Annual Meeting, - ,Chicago IL. http://archive.rsna.org/2014/14017744.html