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Difference between revisions of "Papillary urothelial neoplasm of low malignant potential"
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Papillary urothelial neoplasm of low malignant potential (view source)
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'''PUNLMP''' is pronounced ''pun-lump''. | '''PUNLMP''' is pronounced ''pun-lump''. | ||
''Inverted urothelial neoplasm of low malignant potential'' (abbreviated ''IUNLMP'') redirects here. | |||
==General== | ==General== | ||
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Note: | Note: | ||
*May grow downward; known as ''PUNLMP with inverted growth'' | *May grow downward; known as ''PUNLMP with inverted growth''<ref name=pmid25886613>{{Cite journal | last1 = Maxwell | first1 = JP. | last2 = Wang | first2 = C. | last3 = Wiebe | first3 = N. | last4 = Yilmaz | first4 = A. | last5 = Trpkov | first5 = K. | title = Long-term outcome of primary Papillary Urothelial Neoplasm of Low Malignant Potential (PUNLMP) including PUNLMP with inverted growth. | journal = Diagn Pathol | volume = 10 | issue = | pages = 3 | month = | year = 2015 | doi = 10.1186/s13000-015-0234-z | PMID = 25886613 }}</ref> and ''inverted urothelial neoplasm of low malignant potential'' (abbreviated ''IUNLMP'').<ref name=pmid21122976>{{Cite journal | last1 = Montironi | first1 = R. | last2 = Cheng | first2 = L. | last3 = Lopez-Beltran | first3 = A. | last4 = Scarpelli | first4 = M. | last5 = Mazzucchelli | first5 = R. | last6 = Mikuz | first6 = G. | last7 = Kirkali | first7 = Z. | last8 = Montorsi | first8 = F. | title = Inverted (endophytic) noninvasive lesions and neoplasms of the urothelium: the Cinderella group has yet to be fully exploited. | journal = Eur Urol | volume = 59 | issue = 2 | pages = 225-30 | month = Feb | year = 2011 | doi = 10.1016/j.eururo.2010.11.018 | PMID = 21122976 }}</ref> | ||
DDx: | DDx: | ||
*[[Low grade papillary urothelial carcinoma]]. | *[[Low grade papillary urothelial carcinoma]]. | ||
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Image:Punlmp2.jpg | PUNLMP - high mag. (WC/Nephron) | Image:Punlmp2.jpg | PUNLMP - high mag. (WC/Nephron) | ||
</gallery> | </gallery> | ||
==Sign out== | |||
<pre> | |||
Urinary Bladder Tumour, Transurethral Resection: | |||
- Papillary urothelial neoplasm of low malignant potential (PUNLMP). | |||
</pre> | |||
===Micro=== | |||
The sections show a papillary urothelial lesion with minimal anisonucleosis. The papillae are predominantly slender and branch. Minimal proliferative activity is present. The lesion is well demarcated in relation to the subepithelial tissue. | |||
====Alternate==== | |||
The sections show a papillary urothelial lesion with monotonous nuclei and minimal atypia. The papillae are predominantly slender and branch. Mitotic figures are very rare. The lesion is well demarcated in relation to the subepithelial tissue. | |||
===Inverted pattern predominant=== | |||
<pre> | |||
Urinary Bladder Tumour, Transurethral Resection: | |||
- Inverted urothelial neoplasm of low malignant potential with an | |||
exophytic papillary component. | |||
Comment: | |||
This lesion is a variant of papillary urothelial neoplasm of low malignant | |||
potential (PUNLMP). Followup is required. | |||
The case was reviewed by a second GU pathologist. | |||
</pre> | |||
==See also== | ==See also== | ||