Multi-Institutional External Validation of Seminal Vesicle Invasion Nomograms: Head-to-Head Comparison of Gallina Nomogram Versus 2007 Partin Tables

The Gallina et al. nomogram offers greater accuracy (81%) than the 2007 Partin tables (78%). However, both tools are associated with calibration limitations that need to be acknowledged and considered before their implementation into clinical practice.