Biliary cystadenoma and cystadenocarcinoma MRI

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

Overview

There are no specific imaging features that permit reliable differentiation of biliary cystadenoma from cystadenocarcinoma.

The MR signal intensity of biliary cystadenoma is variable on both T1- and T2-weighted images, depending on the content of the cyst fluid.

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]

An irregular thickness of the cyst wall, presence of mural nodules, or papillary projections indicates the possibility of a malignancy.^[2]

↑ 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.