Anal cancer MRI

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Mohamad Alkateb, MBBCh [2]

Overview

Pelvic MRI may be diagnostic of anal cancer.

MRI Findings in Anal Cancer

MRI is the gold standard for the diagnosis of anal cancer. ^[1] Common findings include:

T1: primary and recurrent tumours have low to intermediate signal intensity in comparison to skeletal muscle
T2: primary and recurrent tumours have high signal intensity in comparison to skeletal muscle
Nodal metastases have similar signal intensity to the primary tumour

References

Overview