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Limitations of MRI for Staging
Nodal staging:
Tumour may be present in
normal sized nodes
High incidence of enlarged
reactive pelvic nodes
High incidence of
microscopic nodal spread to
surgically non-sampled sites
Tumour staging:
Varying ability to distinguish
T2 (localised) from T3
(extracapsular) disease
Sensitivity of T2-weighted
MRI : 37-96% *
DCE-MRI may improve
tumour staging: Increased
specificity for extracapsular
extension
+
*Kirkham A et al. Eur Urol 2006; 50 (6): 1163-74
+ Bloch B et al. Eur Radiol 2012; 22(10):2201-10