Difference between revisions of "Pseudocarcinomatous urothelial hyperplasia"
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==General== | ==General== | ||
*Most are associated with prior pelvic radiation.<ref name=pmid23228381>{{Cite journal | last1 = Kryvenko | first1 = ON. | last2 = Epstein | first2 = JI. | title = Pseudocarcinomatous urothelial hyperplasia of the bladder: clinical findings and followup of 70 patients. | journal = J Urol | volume = 189 | issue = 6 | pages = 2083-6 | month = Jun | year = 2013 | doi = 10.1016/j.juro.2012.12.005 | PMID = 23228381 }}</ref> | *Most are associated with prior pelvic radiation.<ref name=pmid23228381>{{Cite journal | last1 = Kryvenko | first1 = ON. | last2 = Epstein | first2 = JI. | title = Pseudocarcinomatous urothelial hyperplasia of the bladder: clinical findings and followup of 70 patients. | journal = J Urol | volume = 189 | issue = 6 | pages = 2083-6 | month = Jun | year = 2013 | doi = 10.1016/j.juro.2012.12.005 | PMID = 23228381 }}</ref> | ||
**The underlying cause is probably ischemia.<ref name=pmid23228381/><ref name=pmid18162775/> | |||
==Microscopic== | |||
Features:<ref name=pmid18162775>{{Cite journal | last1 = Lane | first1 = Z. | last2 = Epstein | first2 = JI. | title = Pseudocarcinomatous epithelial hyperplasia in the bladder unassociated with prior irradiation or chemotherapy. | journal = Am J Surg Pathol | volume = 32 | issue = 1 | pages = 92-7 | month = Jan | year = 2008 | doi = 10.1097/PAS.0b013e3180eaa1dc | PMID = 18162775 }}</ref> | |||
*Eosinophilic cytoplasm. | |||
*Moderate nuclear pleomorphism. | |||
*Essentially no mitotic activity. | |||
DDx: | |||
*[[Urothelial carcinoma]]. | |||
==See also== | ==See also== | ||
Revision as of 12:56, 15 November 2013
Pseudocarcinomatous urothelial hyperplasia is a very rare urothelial lesion that mimics urothelial carcinoma.[1]
General
- Most are associated with prior pelvic radiation.[2]
Microscopic
Features:[3]
- Eosinophilic cytoplasm.
- Moderate nuclear pleomorphism.
- Essentially no mitotic activity.
DDx:
See also
References
- ↑ Hameed, O.; Humphrey, PA. (Mar 2010). "Pseudoneoplastic mimics of prostate and bladder carcinomas.". Arch Pathol Lab Med 134 (3): 427-43. doi:10.1043/1543-2165-134.3.427. PMID 20196670.
- ↑ 2.0 2.1 Kryvenko, ON.; Epstein, JI. (Jun 2013). "Pseudocarcinomatous urothelial hyperplasia of the bladder: clinical findings and followup of 70 patients.". J Urol 189 (6): 2083-6. doi:10.1016/j.juro.2012.12.005. PMID 23228381.
- ↑ 3.0 3.1 Lane, Z.; Epstein, JI. (Jan 2008). "Pseudocarcinomatous epithelial hyperplasia in the bladder unassociated with prior irradiation or chemotherapy.". Am J Surg Pathol 32 (1): 92-7. doi:10.1097/PAS.0b013e3180eaa1dc. PMID 18162775.