Course Map: Epithelial Abnormalities: Papillary Urothelial Hyperplasia

Papillary Urothelial Hyperplasia
The epithelium is not atypical and its thickness is variable but it exhibits an undulating, "tenting," or papillary-like contour which resembles a micropapillary neoplasm. [8,45,99] However, it lacks a well-developed fibrovascular core. The significance of these changes is uncertain. Some may represent evolving papillary tumors and follow-up is indicated (Fig. 3, Fig. 4).
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	Figure 1: Papillary urothelial hyperplasia.
	Figure 2: Papillary urothelial hyperplasia.