Biliary cystadenoma and cystadenocarcinoma echocardiography or ultrasound: Difference between revisions
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*If septal or wall calcification is present then acoustic shadowing may be observed.<ref name=radio1>Biliary cystadenoma.Dr Yuranga Weerakkody and Radswiki et al.Radiopaedia.org 2015. http://radiopaedia.org/articles/biliary-cystadenoma</ref> | *If septal or wall calcification is present then acoustic shadowing may be observed.<ref name=radio1>Biliary cystadenoma.Dr Yuranga Weerakkody and Radswiki et al.Radiopaedia.org 2015. http://radiopaedia.org/articles/biliary-cystadenoma</ref> | ||
*The cyst fluid may contain low-level echoes from blood products, mucin, or proteinaceous fluid. Serous and bilious cyst fluid is generally anechoic. | *The cyst fluid may contain low-level echoes from blood products, mucin, or proteinaceous fluid. Serous and bilious cyst fluid is generally anechoic. | ||
*Doppler study may show the vascular flow within the lesion. Dilation of the biliary system can also be seen.<ref name="Ahanatha PillaiVelayutham2012">{{cite journal|last1=Ahanatha Pillai|first1=Sastha|last2=Velayutham|first2=Vimalraj|last3=Perumal|first3=Senthilkumar|last4=Ulagendra Perumal|first4=Srinivasan|last5=Lakshmanan|first5=Anand|last6=Ramaswami|first6=Sukumar|last7=Ramasamy|first7=Ravi|last8=Sathyanesan|first8=Jeswanth|last9=Palaniappan|first9=Ravichandran|last10=Rajagopal|first10=Surendran|title=Biliary Cystadenomas: A Case for Complete Resection|journal=HPB Surgery|volume=2012|year=2012|pages=1–6|issn=0894-8569|doi=10.1155/2012/501705}}</ref>*Contrast-enhanced ultrasound demonstrates minimal enhancement since the | *Doppler study may show the vascular flow within the lesion. Dilation of the biliary system can also be seen.<ref name="Ahanatha PillaiVelayutham2012">{{cite journal|last1=Ahanatha Pillai|first1=Sastha|last2=Velayutham|first2=Vimalraj|last3=Perumal|first3=Senthilkumar|last4=Ulagendra Perumal|first4=Srinivasan|last5=Lakshmanan|first5=Anand|last6=Ramaswami|first6=Sukumar|last7=Ramasamy|first7=Ravi|last8=Sathyanesan|first8=Jeswanth|last9=Palaniappan|first9=Ravichandran|last10=Rajagopal|first10=Surendran|title=Biliary Cystadenomas: A Case for Complete Resection|journal=HPB Surgery|volume=2012|year=2012|pages=1–6|issn=0894-8569|doi=10.1155/2012/501705}}</ref> | ||
*Contrast-enhanced ultrasound demonstrates minimal enhancement since the tumors are largely avascular. Abnormally increased vascularity may be present peripherally or in the septa.<ref name=radio1>Biliary cystadenoma.Dr Yuranga Weerakkody and Radswiki et al.Radiopaedia.org 2015. http://radiopaedia.org/articles/biliary-cystadenoma</ref> | |||
==References== | ==References== | ||
Revision as of 16:34, 10 December 2015
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Ultrasound
There are no specific imaging features that permit reliable differentiation of biliary cystadenoma from cystadenocarcinoma:
- On Ultrasound, biliary cystadenomas are typically multi-loculated and demonstrate enhanced transmission.[1]
- Mural nodules and papillary projections may project into the cyst lumen.
- The cyst is well-demarcated and thick-walled, globular or ovoid with a noncalcified wall.
- If septal or wall calcification is present then acoustic shadowing may be observed.[2]
- The cyst fluid may contain low-level echoes from blood products, mucin, or proteinaceous fluid. Serous and bilious cyst fluid is generally anechoic.
- Doppler study may show the vascular flow within the lesion. Dilation of the biliary system can also be seen.[3]
- Contrast-enhanced ultrasound demonstrates minimal enhancement since the tumors are largely avascular. Abnormally increased vascularity may be present peripherally or in the septa.[2]
References
- ↑ Munir, Bilal; Meschino, Michael; Mercado, Ashley; Hernandez-Alejandro, Roberto (2014). "Biliary Cystadenoma: An Unusual Cause of Acute Pancreatitis and Indication for Mesohepatectomy". Case Reports in Gastrointestinal Medicine. 2014: 1–3. doi:10.1155/2014/643032. ISSN 2090-6528.
- ↑ 2.0 2.1 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.