Biliary cystadenoma and cystadenocarcinoma MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

The MR signal intensity of biliary cystadenoma is variable on both T1- and T2-weighted images, depending on the content of the cyst fluid.^[1]
There are no specific imaging features that permit reliable differentiation of biliary cystadenoma from cystadenocarcinoma. An irregular thickness of the cyst wall, presence of mural nodules, or papillary projections indicates the possibility of a malignancy.^[2]
MRI may provide further information concerning the nature of the fluid in the cyst, blood versus mucin.

↑ Biliary cystadenoma.Dr Yuranga Weerakkody and Radswiki et al.Radiopaedia.org 2015. http://radiopaedia.org/articles/biliary-cystadenoma
↑ Ahanatha Pillai, Sastha; Velayutham, Vimalraj; Perumal, Senthilkumar; Ulagendra Perumal, Srinivasan; Lakshmanan, Anand; Ramaswami, Sukumar; Ramasamy, Ravi; Sathyanesan, Jeswanth; Palaniappan, Ravichandran; Rajagopal, Surendran (2012). "Biliary Cystadenomas: A Case for Complete Resection". HPB Surgery. 2012: 1–6. doi:10.1155/2012/501705. ISSN 0894-8569.