Difference between revisions of "Urothelium"

Urothelium (view source)

Revision as of 19:26, 27 January 2014

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 *[[AKA]] ''papillary hyperplasia''.
 *[[AKA]] ''reactive papillary hyperplasia''.
-===General===
+{{Main|Papillary urothelial hyperplasia}}
-*Benign.
-*Strong association with papillary neoplasms.
-**On follow-up, in one study, >1/3 have a neoplasm; thus, follow-up is recommended.<ref name=pmid20438409>{{Cite journal  | last1 = Readal | first1 = N. | last2 = Epstein | first2 = JI. | title = Papillary urothelial hyperplasia: relationship to urothelial neoplasms. | journal = Pathology | volume = 42 | issue = 4 | pages = 360-3 | month = Jun | year = 2010 | doi = 10.3109/00313021003767322 | PMID = 20438409 }}</ref>
-===Microscopic===
-Features:<ref>URL: [http://pathology.jhu.edu/bladder/definitions.cfm http://pathology.jhu.edu/bladder/definitions.cfm]. Accessed on: 27 January 2014.</ref>
-*Inflammation.
-*Rare papillae
-**Do not have a well-developed fibrovascular core.
-*No urothelial cell atypia.
-Image:
-*[http://pathology.jhu.edu/bladder/image1.cfm?case_number=2&image_number=1 Papillary hyperplasia (jhu.edu)].
-===Sign out===
-<pre>
-URINARY BLADDER, BIOPSY:
-- REACTIVE PAPILLARY HYPERPLASIA, SEE COMMENT.
-- NO MUSCULARIS PROPRIA IDENTIFIED.
-- CYSTITIS CYSTICA ET GLANDULARIS.
-- NO EVIDENCE OF MALIGNANCY.
-COMMENT:
-The urothelial forms rare papillary structures; these are interpreted as reactive.
-The urothelium stains as follow:
-CK7: positive (patchy).
-CK20: very rare superficial cells (normal).
-Ki-67: rare, focally increased, negative in papillary structures (<10%).
-p53: negative (weak focal <20%), very rare weak in rare papillary structures (<5%).
-Follow-up is recommended.
-</pre>
 =Benign urothelial lesions=

Difference between revisions of "Urothelium"

Urothelium (view source)

Revision as of 19:26, 27 January 2014

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