The use of Reflectance Confocal Microscopy to diagnose Malignant Melanoma and Lentigo Maligna in the United Kingdom: A Prospective Observational Trial at a Single Centre.

This study demonstrates that RCM can reliably diagnose MM and is fast enough to be integrated into UK pigmented lesion clinics by dermatologists trained in RCM. "Number needed to treat" dropped from 3.9 with clinical examination to 3.0 with dermoscopy to 1.3 with RCM.