Lower GI 2016

The Royal Marsden

What is the relevance of MRI detected PSW nodes? • 325 patients, 38 (11.7%) had MRI-identified suspicious PSW nodes on baseline MRI scans • The size of pelvic nodes was not a factor • PSW nodes with either mixed signal or capsular irregularity were considered to have a high suspicion of malignancy, whereas those with neither feature were considered negative for malignancy – irrespective of size