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nested urothelial carcinoma - Humpath.com - Human pathology

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nested urothelial carcinoma

Monday 12 September 2011

nested variant of urothelial carcinoma

Large nested pattern of urothelial carcinoma is distinguished from an inverted growth pattern of non-invasive urothelial carcinoma and from von Brunn nests by either MP invasion, irregularly infiltrating nests, or a stromal reaction.

Despite the bland cytologic features of these neoplasms, they have well-documented metastatic potential.

Images

- Nested carcinoma in ureter, CK7+

- Nested urothelial carcinoma

- Wikimedia

Differential diagnosis

- von brunn nests
- inverted growth pattern of noninvasive papillary urothelial carcinoma (21836490)

References

- Large nested variant of urothelial carcinoma: 23 cases mimicking von brunn nests and inverted growth pattern of noninvasive papillary urothelial carcinoma. Cox R, Epstein JI. Am J Surg Pathol. 2011 Sep;35(9):1337-42. PMID: 21836490