Erschienen in:
02.07.2018 | Pictorial essay
Extramural venous invasion in rectal cancer: overview of imaging, histopathology, and clinical implications
verfasst von:
Hamideh Ale Ali, Richard Kirsch, Suzan Razaz, Aaditeya Jhaveri, Seng Thipphavong, Erin D. Kennedy, Kartik S. Jhaveri
Erschienen in:
Abdominal Radiology
|
Ausgabe 1/2019
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Abstract
Objective
Extramural venous invasion (EMVI) is an independent prognostic factor for prediction of overall unfavorable outcomes in rectal cancer. While EMVI has traditionally been detected in postoperative pathologic specimens, MRI can provide this important piece of information preoperatively. This article reviews the methods of EMVI detection and their clinical implications for treatment and outcomes of rectal cancer.
Conclusion
EMVI has fundamental implications for rectal cancer prognosis and long-term outcomes. Since MRI has the advantage of preoperative detection of EMVI, it has been suggested that MRI-detected EMVI be incorporated for preoperative chemoradiotherapy (CRT) treatment stratification of rectal cancer for better patient triage and outcomes.