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An Intravital Microscopy-Based Approach to Assess Intestinal Permeability and Epithelial Cell Shedding Performance
Published on: December 3, 2020
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Mucin lakes or perforation?
V Pronisceva1, J Sebastian1, A Hamade1
1General Surgical Department, QEQM Hospital, Margate, UK.
Journal of Surgical Case Reports
|June 21, 2014
Summary
Post-treatment MRI scans for rectal mucinous adenocarcinoma show high T2 signal in mucin pools. This imaging finding complicates staging, as histology often differs, impacting surgical decisions.
Area of Science:
- Oncology
- Radiology
- Gastroenterology
Background:
- Mucinous adenocarcinoma presents unique challenges in imaging interpretation.
- Chemoradiotherapy can alter tumor characteristics, potentially affecting MRI staging accuracy.
Purpose of the Study:
- To report two cases of mucinous adenocarcinoma with similar post-chemoradiotherapy MRI findings.
- To explore the implications of MRI signal characteristics on rectal cancer staging.
- To highlight the difficulties in accurate MRI staging of mucinous adenocarcinomas.
Main Methods:
- Case report of two patients with mucinous adenocarcinoma.
- Magnetic resonance imaging (MRI) analysis, focusing on T2-weighted sequences.
- Comparison of MRI findings with final histology reports.
Main Results:
- Observed high signal intensity on T2-weighted MRI sequences within and beyond the rectal wall, attributed to mucin pools.
- Discrepancies noted between MRI-predicted staging and final histology reports.
- Identified potential confounding factors on MRI, including acellular mesothelial reaction, mucin pools, and inflammation.
Conclusions:
- Post-chemoradiotherapy MRI findings in mucinous adenocarcinoma can be misleading, complicating accurate staging.
- The behavior of mucin pools and their interaction with rectal tissues post-treatment requires further investigation.
- Accurate staging is crucial for appropriate surgical management of rectal mucinous adenocarcinoma.
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