Biliary cystadenoma and cystadenocarcinoma echocardiography or ultrasound: Difference between revisions
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On ultrasound, cystic nature of the lesion with multiple loculi, septations, and internal echoes, with papillary projections, is typical. The cyst is well-demarcated and thick-walled, globular or ovoid with a noncalcified wall. 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> | On ultrasound, cystic nature of the lesion with multiple loculi, septations, and internal echoes, with papillary projections, is typical. The cyst is well-demarcated and thick-walled, globular or ovoid with a noncalcified wall. 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> | ||
On Ultrasound, biliary cystadenomas are typically multi-loculated and demonstrate enhanced transmission. Further more, if septal or wall calcifications are present, acoustic shadowing may be exhibited.<ref name="MunirMeschino2014">{{cite journal|last1=Munir|first1=Bilal|last2=Meschino|first2=Michael|last3=Mercado|first3=Ashley|last4=Hernandez-Alejandro|first4=Roberto|title=Biliary Cystadenoma: An Unusual Cause of Acute Pancreatitis and Indication for Mesohepatectomy|journal=Case Reports in Gastrointestinal Medicine|volume=2014|year=2014|pages=1–3|issn=2090-6528|doi=10.1155/2014/643032}}</ref> | |||
==References== | ==References== | ||
Revision as of 20:28, 16 November 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.
- At US, a biliary cystadenoma appears as a unilocular or multilocular cyst with enhanced through transmission.
- Acoustic shadowing may be present from septal or wall calcification.
- The cyst fluid may contain low-level echoes from blood products, mucin, or proteinaceous fluid. Serous and bilious cyst fluid is generally anechoic.
- Echogenic mural nodules and papillary projections may be present.
At US, a biliary cystadenoma appears as a unilocular or multilocular cyst with enhanced through transmission. The content of the cysts may range from completely anechoic to having low-level echoes from blood products, mucin, or proteinaceous fluid.
Mural nodules and papillary projections may project into the cyst lumen. If septal or wall calcification is present then acoustic shadowing may be seen.[1]
On ultrasound, cystic nature of the lesion with multiple loculi, septations, and internal echoes, with papillary projections, is typical. The cyst is well-demarcated and thick-walled, globular or ovoid with a noncalcified wall. Doppler study may show the vascular flow within the lesion. Dilation of the biliary system can also be seen.[2]
On Ultrasound, biliary cystadenomas are typically multi-loculated and demonstrate enhanced transmission. Further more, if septal or wall calcifications are present, acoustic shadowing may be exhibited.[3]
References
- ↑ 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.
- ↑ 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.