Division of Urologic Pathology
An Allina Health System Affiliated Laboratory

Selected References for Flat Urothelial Lesions:

• Flat urothelial hyperplasia BLAD3
• Papillary urothelial Hyperplasia  BLAD4
• Atypical papillary urothelial hyperplasia BLAD5

Flat lesions with atypia

• Reactive BLAD6
• Unknown BLAD7
• Dysplasia BLAD8
• CIS BLAD9

Noninvasive Papillary urothelial neoplasms

• Papilloma, exophytic type BLAD10
• Inverted papilloma BLAD11 
• PUNLMP BLAD12
• Low grade BLAD13
• High grade BLAD14

Invasive urothelial neoplasms

• Low grade into lamina propria BLAD15
• Low grade into muscularis propria BLAD16
• High grade into lamina propria BLAD17
• High grade into muscularis propria BLAD18