An urothelial papilloma (or Transitional cell papilloma) is a
papilloma
A papilloma (plural papillomas or papillomata) ('' papillo-'' + '' -oma'') is a benign epithelial tumor growing exophytically (outwardly projecting) in nipple-like and often finger-like fronds. In this context, papilla refers to the projection cre ...
developed from the
urothelium
Transitional epithelium also known as urothelium is a type of stratified epithelium. Transitional epithelium is a type of tissue that changes shape in response to stretching (stretchable epithelium). The transitional epithelium usually appears ...
.
References
Benign neoplasms
Glandular and epithelial neoplasia
Urothelial tumor
Urothelial lesion
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