Bladder Nephrogenic Adenoma

**Semantic type:** Disease or Syndrome

**Definition:** A metaplastic lesion of the urothelium found in the urinary bladder. It is characterized by the presence of aggregates of cuboidal or hobnail cells and represents a reaction of the urothelium to injury caused by instrumentation, surgery or calculi.

**Synonyms:** - Nephrogenic Adenoma of Urinary Bladder - Nephrogenic Adenoma of the Urinary Bladder - Urinary Bladder Nephrogenic Adenoma