Page 107 - TD-4-3

Tumor Discovery Unusual cause of biliary obstruction

Investigation: Sakditad Saowapa, Hector Jose Garcia Pleitez, 5. Canto MI, Hruban RH, Fishman EK, et al. Frequent detection
Andrea Ortiz Maldonado, Miriam Alicia Paz Sierra of pancreatic lesions in asymptomatic high-risk individuals.
Methodology: Sakditad Saowapa, Meenu Sharma Gastroenterology. 2012;142(4):796-804; quiz e14-e15.
Writing – original draft: Sakditad Saowapa doi: 10.1053/j.gastro.2011.12.056
Writing – review & editing: Chalothorn Wannaphut, 6. Ronot M, Vilgrain V. Imaging of benign and malignant
Hector Jose Garcia Pleitez, Andrea Ortiz Maldonado, hepatocellular lesions. Semin Liver Dis. 2008;28(3):267-282.
Lukman Tijani
doi: 10.1055/s-0028-1085093
Ethics approval and consent to participate 7. Namasivayam S, Martin DR, Saini S. Imaging of liver
No institutional review board (IRB) approval was required metastases: MRI. Cancer Imaging. 2007;7(1):2-9.
for this single-patient case report in accordance with local doi: 10.1102/1470-7330.2007.0002
guidelines. Written informed consent was obtained from 8. Larsen LP. Role of contrast enhanced ultrasonography in the
the patient prior to participation. The consent included assessment of hepatic metastases: A review. World J Hepatol.
permission to use relevant clinical information and images 2010;2(1):8-15.
for the purpose of this case report.
doi: 10.4254/wjh.v2.i1.8
Consent for publication 9. Albiin N. MRI of focal liver lesions. Curr Med Imaging Rev.

Written informed consent was obtained from the patient to 2012;8(2):107-116.
publish this report in accordance with the journal’s patient doi: 10.2174/157340512800672216
consent policy. 10. Burnett AS, Calvert TJ, Chokshi RJ. Sensitivity of
endoscopic retrograde cholangiopancreatography standard
Availability of data cytology: 10-year review of the literature. J Surg Res.

The data that support the findings of this study are available 2013;184(1):304-311.
from the corresponding author upon reasonable request. doi: 10.1016/j.jss.2013.03.056
However, access to the data is restricted due to patient 11. McDaniel AS, Chinnaiyan AM, Siddiqui J, McKenney JK,
privacy and ethical considerations. Mehra R. Immunohistochemical staining characteristics
References of nephrogenic adenoma using the PIN-4 cocktail (p63,
AMACR, and CK903) and GATA-3. Am J Surg Pathol.
1. Lorenz JM. Management of malignant biliary obstruction. 2014;38(12):1664-1671.
Semin Interv Radiol. 2016;33(4):259-267. doi: 10.1097/PAS.0000000000000267
doi: 10.1055/s-0036-1592330 12. Hoang LL, Tacha D, Bremer RE, Haas TS, Cheng L.
2. Bianchi M, Roghmann F, Becker A, et al. Age- Uroplakin II (UPII), GATA3, and p40 are highly sensitive
stratified distribution of metastatic sites in bladder markers for the differential diagnosis of invasive urothelial
cancer: A population-based analysis. Can Urol Assoc J. carcinoma. Appl Immunohistochem Mol Morphol.
2014;8(3-4):E148-E158. 2015;23(10):711-716.
doi: 10.5489/cuaj.787 doi: 10.1097/PAI.0000000000000143
3. Paik WH, Park DH. Endoscopic management of malignant 13. Takahara T, Murase Y, Tsuzuki T. Urothelial
biliary obstruction. Gastrointest Endosc Clin N Am. carcinoma: Variant histology, molecular subtyping, and
2024;34(1):127-140. immunophenotyping significant for treatment outcomes.
Pathology. 2021;53(1):56-66.
doi: 10.1016/j.giec.2023.07.004
doi: 10.1016/j.pathol.2020.09.004
4. Suthar M, Purohit S, Bhargav V, Goyal P. Role of MRCP in
differentiation of benign and malignant causes of biliary 14. Reuter VE. The pathology of bladder cancer. Urology.
obstruction. J Clin Diagn Res. 2015;9(11):TC08-TC12. 2006;67(3 Suppl 1):11-17;discussion 17-18.
doi: 10.7860/JCDR/2015/14174.6771 doi: 10.1016/j.urology.2006.01.037

Volume 4 Issue 3 (2025) 99 doi: 10.36922/TD025070011