Well-differentiated papillary mesothelial tumour - Revision history

Michael: /* IHC */

2025-09-15T14:55:46Z

IHC

← Older revision		Revision as of 14:55, 15 September 2025
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	*Calretinin +ve.		*Calretinin +ve.
	*CK5/6 +ve.		*CK5/6 +ve.
	*BAP1 retained (normal).<ref name=pmid35440764/>		*[[BAP1]] retained (normal).<ref name=pmid35440764/>
	*MTAP retained (normal).		*MTAP retained (normal).
	**May not be sensitive.{{fact}}		**May not be sensitive.{{fact}}
	*Claudin-4 -ve.{{fact}}		*[[Claudin-4]] -ve.{{fact}}

	==Sign out==		==Sign out==

Michael: /* IHC */ +SO

2025-09-15T14:35:10Z

IHC: +SO

← Older revision		Revision as of 14:35, 15 September 2025
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	**May not be sensitive.{{fact}}		**May not be sensitive.{{fact}}
	*Claudin-4 -ve.{{fact}}		*Claudin-4 -ve.{{fact}}

			==Sign out==
			<pre>
			A. Submitted as "Peritoneal Deposit", Excision:
			- Well-differentiated papillary mesothelial tumour, see comment.
			- NEGATIVE for malignancy.

			Comment:
			Well-differentiated papillary mesothelial tumour is a benign tumour.

			The tumour has retained (normal) BAP1 and retained MTAP staining.
			Claudin-4 and NF2F are NEGATIVE.
			</pre>

	==See also==		==See also==

Michael: /* IHC */

2025-09-15T14:30:42Z

IHC

← Older revision		Revision as of 14:30, 15 September 2025
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	*BAP1 retained (normal).<ref name=pmid35440764/>		*BAP1 retained (normal).<ref name=pmid35440764/>
	*MTAP retained (normal).		*MTAP retained (normal).
	**May not be sensitive.{fact}		**May not be sensitive.{{fact}}
			*Claudin-4 -ve.{{fact}}

	==See also==		==See also==

Michael: /* IHC */

2025-09-15T14:14:45Z

IHC

← Older revision		Revision as of 14:14, 15 September 2025
Line 87:		Line 87:
	*CK5/6 +ve.		*CK5/6 +ve.
	*BAP1 retained (normal).<ref name=pmid35440764/>		*BAP1 retained (normal).<ref name=pmid35440764/>
			*MTAP retained (normal).
			**May not be sensitive.{fact}

	==See also==		==See also==

Michael at 02:36, 20 August 2025

2025-08-20T02:36:17Z

← Older revision		Revision as of 02:36, 20 August 2025
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	\| LMDDx = [[ovarian serous carcinoma]], [[serous borderline tumour of the ovary]], [[malignant mesothelioma]] especially ''papillary mesothelioma in situ''		\| LMDDx = [[ovarian serous carcinoma]], [[serous borderline tumour of the ovary]], [[malignant mesothelioma]] especially ''papillary mesothelioma in situ''
	\| Stains =		\| Stains =
	\| IHC = calretinin +ve, CK5/6 +ve, ~~BAP-1~~ retained (normal)		\| IHC = calretinin +ve, CK5/6 +ve, BAP1 retained (normal)
	\| EM =		\| EM =
	\| Molecular =		\| Molecular =
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	*Calretinin +ve.		*Calretinin +ve.
	*CK5/6 +ve.		*CK5/6 +ve.
	*~~BAP-1~~ retained (normal).<ref name=pmid35440764/>		*BAP1 retained (normal).<ref name=pmid35440764/>

	==See also==		==See also==

Michael at 02:34, 20 August 2025

2025-08-20T02:34:59Z

← Older revision		Revision as of 02:34, 20 August 2025
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	\| LMDDx = [[ovarian serous carcinoma]], [[serous borderline tumour of the ovary]], [[malignant mesothelioma]] especially ''papillary mesothelioma in situ''		\| LMDDx = [[ovarian serous carcinoma]], [[serous borderline tumour of the ovary]], [[malignant mesothelioma]] especially ''papillary mesothelioma in situ''
	\| Stains =		\| Stains =
	\| IHC = calretinin +ve, CK5/6 +ve		\| IHC = calretinin +ve, CK5/6 +ve, BAP-1 retained (normal)
	\| EM =		\| EM =
	\| Molecular =		\| Molecular =
Line 86:		Line 86:
	*Calretinin +ve.		*Calretinin +ve.
	*CK5/6 +ve.		*CK5/6 +ve.
			*BAP-1 retained (normal).<ref name=pmid35440764/>

	==See also==		==See also==

Michael at 20:31, 13 August 2025

2025-08-13T20:31:54Z

← Older revision		Revision as of 20:31, 13 August 2025
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	\| Image = Well-differentiated_papillary_mesothelioma_--_intermed._mag.jpg		\| Image = Well-differentiated_papillary_mesothelioma_--_intermed._mag.jpg
	\| Width =		\| Width =
	\| Caption = Well-differentiated papillary ~~mesothelioma~~. [[H&E stain]].		\| Caption = Well-differentiated papillary mesothelial tumour. [[H&E stain]].
	\| Synonyms = benign papillary mesothelioma		\| Synonyms = well-differentiated papillary mesothelioma (obsolete term), benign papillary mesothelioma (obsolete term)
	\| Micro = papillary structures with thick fibrous cores and simple cuboidal epithelium, lacks cytologic atypia		\| Micro = papillary structures with thick fibrous cores and simple cuboidal epithelium, lacks cytologic atypia
	\| Subtypes =		\| Subtypes =
	\| LMDDx = [[ovarian serous carcinoma]], [[serous borderline tumour of the ovary]], [[malignant mesothelioma]]		\| LMDDx = [[ovarian serous carcinoma]], [[serous borderline tumour of the ovary]], [[malignant mesothelioma]] especially ''papillary mesothelioma in situ''
	\| Stains =		\| Stains =
	\| IHC = calretinin +ve, CK5/6 +ve		\| IHC = calretinin +ve, CK5/6 +ve
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	'''Well-differentiated papillary mesothelial tumour''', abbreviated '''WDPMT''', is a rare benign mesothelial tumour.<ref name=pmid35440764>{{cite journal \|authors=Churg A, Galateau-Salle F \|title=Well differentiated papillary mesothelial tumor: a new name and new problems \|journal=Mod Pathol \|volume=35 \|issue=10 \|pages=1327–1333 \|date=October 2022 \|pmid=35440764 \|doi=10.1038/s41379-022-01082-y \|url=}}</ref>		'''Well-differentiated papillary mesothelial tumour''', abbreviated '''WDPMT''', is a rare benign mesothelial tumour.<ref name=pmid35440764>{{cite journal \|authors=Churg A, Galateau-Salle F \|title=Well differentiated papillary mesothelial tumor: a new name and new problems \|journal=Mod Pathol \|volume=35 \|issue=10 \|pages=1327–1333 \|date=October 2022 \|pmid=35440764 \|doi=10.1038/s41379-022-01082-y \|url=}}</ref>

	It was previously known as ''well-differentiated papillary mesothelioma'', abbreviated '''WDPM'''.<ref name=pmid35440764/><ref name=pmid11688466>{{Cite journal \| last1 = Butnor \| first1 = KJ. \| last2 = Sporn \| first2 = TA. \| last3 = Hammar \| first3 = SP. \| last4 = Roggli \| first4 = VL. \| title = Well-differentiated papillary mesothelioma. \| journal = Am J Surg Pathol \| volume = 25 \| issue = 10 \| pages = 1304-9 \| month = Oct \| year = 2001 \| doi = \| PMID = 11688466 }}</ref> It was also known as '''benign papillary mesothelioma'''. This entity should '''not''' be confused with ''[[malignant mesothelioma]]'' and ''[[benign multicystic mesothelioma]]''.		It was previously known as ''well-differentiated papillary mesothelioma'', abbreviated ''WDPM''.<ref name=pmid35440764/><ref name=pmid11688466>{{Cite journal \| last1 = Butnor \| first1 = KJ. \| last2 = Sporn \| first2 = TA. \| last3 = Hammar \| first3 = SP. \| last4 = Roggli \| first4 = VL. \| title = Well-differentiated papillary mesothelioma. \| journal = Am J Surg Pathol \| volume = 25 \| issue = 10 \| pages = 1304-9 \| month = Oct \| year = 2001 \| doi = \| PMID = 11688466 }}</ref> It was also known as ''benign papillary mesothelioma''. This entity should ''not'' be confused with ''[[malignant mesothelioma]]'' and ''[[benign multicystic mesothelioma]]''.

	==General==		==General==
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	*[[Serous borderline tumour of the ovary]].		*[[Serous borderline tumour of the ovary]].
	*[[Malignant mesothelioma]] - especially [[papillary mesothelioma in situ]].		*[[Malignant mesothelioma]] - especially [[papillary mesothelioma in situ]].
	**''Papillary mesothelioma in situ'' is morphologically identical.<ref name=pmid35440764>		**''Papillary mesothelioma in situ'' is morphologically identical.<ref name=pmid35440764/>

	===Images===		===Images===

Michael at 20:28, 13 August 2025

2025-08-13T20:28:47Z

← Older revision		Revision as of 20:28, 13 August 2025
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	\| Tx =		\| Tx =
	}}		}}
	'''Well-differentiated papillary ~~mesothelioma~~''', abbreviated '''~~WDPM~~''', is a rare ~~type of [[mesothelioma]] that typically has an indolent behaviour~~.<ref name=~~pmid11688466~~>{{~~Cite~~ journal \| ~~last1~~ = ~~Butnor \| first1 = KJ. \| last2 = Sporn \| first2 = TA. \| last3 = Hammar \| first3 = SP. \| last4 = Roggli \| first4 = VL.~~ \| title = Well-differentiated papillary ~~mesothelioma.~~ \| journal = ~~Am J Surg~~ Pathol \| volume = 25 \| issue = 10 \| pages = ~~1304-9~~ \| ~~month~~ = ~~Oct~~ \| ~~year~~ = ~~2001~~ \| doi = \| ~~PMID~~ = ~~11688466~~ }}</ref>		'''Well-differentiated papillary mesothelial tumour''', abbreviated '''WDPMT''', is a rare benign mesothelial tumour.<ref name=pmid35440764>{{cite journal \|authors=Churg A, Galateau-Salle F \|title=Well differentiated papillary mesothelial tumor: a new name and new problems \|journal=Mod Pathol \|volume=35 \|issue=10 \|pages=1327–1333 \|date=October 2022 \|pmid=35440764 \|doi=10.1038/s41379-022-01082-y \|url=}}</ref>

	It is also known as '''benign papillary mesothelioma'''. It should '''not''' be confused with ''[[malignant mesothelioma]]'' and ''[[benign multicystic mesothelioma]]''.		It was previously known as ''well-differentiated papillary mesothelioma'', abbreviated '''WDPM'''.<ref name=pmid35440764/><ref name=pmid11688466>{{Cite journal \| last1 = Butnor \| first1 = KJ. \| last2 = Sporn \| first2 = TA. \| last3 = Hammar \| first3 = SP. \| last4 = Roggli \| first4 = VL. \| title = Well-differentiated papillary mesothelioma. \| journal = Am J Surg Pathol \| volume = 25 \| issue = 10 \| pages = 1304-9 \| month = Oct \| year = 2001 \| doi = \| PMID = 11688466 }}</ref> It was also known as '''benign papillary mesothelioma'''. This entity should '''not''' be confused with ''[[malignant mesothelioma]]'' and ''[[benign multicystic mesothelioma]]''.

	==General==		==General==
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	*[[Ovarian serous carcinoma]].		*[[Ovarian serous carcinoma]].
	*[[Serous borderline tumour of the ovary]].		*[[Serous borderline tumour of the ovary]].
	*[[Malignant mesothelioma]].		*[[Malignant mesothelioma]] - especially [[papillary mesothelioma in situ]].
			**''Papillary mesothelioma in situ'' is morphologically identical.<ref name=pmid35440764>

	===Images===		===Images===

Michael: Michael moved page Well-differentiated papillary mesothelioma to Well-differentiated papillary mesothelial tumour: name of entity changed

2025-08-13T20:21:34Z

Michael moved page Well-differentiated papillary mesothelioma to Well-differentiated papillary mesothelial tumour: name of entity changed

← Older revision

Revision as of 20:21, 13 August 2025

Michael: /* See also */

2016-07-21T06:05:50Z

← Older revision		Revision as of 06:05, 21 July 2016
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	*[[Peritoneum]].		*[[Peritoneum]].
	*[[Malignant mesothelioma]].		*[[Malignant mesothelioma]].
			*[[Mesothelioma]].

	==References==		==References==