Hemorrhoid - Revision history

Michael: /* Microscopic */

2014-06-26T12:10:24Z

Microscopic

← Older revision		Revision as of 12:10, 26 June 2014
Line 61:		Line 61:
	**[[Angiosarcoma]].		**[[Angiosarcoma]].
	**[[Arteriovenous malformation]] - has large arteries.		**[[Arteriovenous malformation]] - has large arteries.
			*[[Mucosal prolapse]].

	===Image===		===Image===

Michael: /* Sign out */

2014-06-26T12:09:47Z

Sign out

← Older revision		Revision as of 12:09, 26 June 2014
Line 81:		Line 81:
	HEMORRHOIDS, EXCISION:		HEMORRHOIDS, EXCISION:
	- HEMORRHOIDS.		- HEMORRHOIDS.
			</pre>

			===Alternate===
			<pre>
			"EXTERNAL HEMORRHOID", EXCISION:
			- POLYPOID FRAGMENTS OF RECTAL-TYPE MUCOSA WITH REACTIVE CHANGES, ULCERATION, SMOOTH
			MUSCLE HYPERPLASIA, AND GRANULATION TISSUE WITH INTERMEDIATE SIZE BLOOD VESSELS.
			- NEGATIVE FOR DYSPLASIA.
	</pre>		</pre>

Michael: /* General */

2014-02-20T03:52:18Z

General

← Older revision		Revision as of 03:52, 20 February 2014
Line 34:		Line 34:

	Clinical features:<ref>{{Cite journal \| last1 = Cazemier \| first1 = M. \| last2 = Felt-Bersma \| first2 = RJ. \| last3 = Cuesta \| first3 = MA. \| last4 = Mulder \| first4 = CJ. \| title = Elastic band ligation of hemorrhoids: flexible gastroscope or rigid proctoscope? \| journal = World J Gastroenterol \| volume = 13 \| issue = 4 \| pages = 585-7 \| month = Jan \| year = 2007 \| doi = \| PMID = 17278225 }}</ref>		Clinical features:<ref>{{Cite journal \| last1 = Cazemier \| first1 = M. \| last2 = Felt-Bersma \| first2 = RJ. \| last3 = Cuesta \| first3 = MA. \| last4 = Mulder \| first4 = CJ. \| title = Elastic band ligation of hemorrhoids: flexible gastroscope or rigid proctoscope? \| journal = World J Gastroenterol \| volume = 13 \| issue = 4 \| pages = 585-7 \| month = Jan \| year = 2007 \| doi = \| PMID = 17278225 }}</ref>
	*Bright red blood per rectum (BRBPR).		*[[Bright red blood per rectum]] (BRBPR).
	*Pain.		*Pain.
	*Itching.		*Itching.

Michael: /* Gross */

2013-12-20T01:48:26Z

Gross

← Older revision		Revision as of 01:48, 20 December 2013
Line 48:		Line 48:
	</ref>		</ref>

	===Microscopic===		==Microscopic==
	Features:<ref name=Ref_GLP401>{{Ref GLP\|401}}</ref>		Features:<ref name=Ref_GLP401>{{Ref GLP\|401}}</ref>
	*Polypoid lesion - epithelium on three sides:		*Polypoid lesion - epithelium on three sides:

Michael at 01:46, 20 December 2013

2013-12-20T01:46:32Z

← Older revision		Revision as of 01:46, 20 December 2013
Line 6:		Line 6:
	\| Micro = polypoid lesion (epithelium on three sides) with large dilated veins and thick-walled vessels +/- fibrin thrombi, +/-edema, covered by squamous epithelium +/- keratinization and/or columnar epithelium		\| Micro = polypoid lesion (epithelium on three sides) with large dilated veins and thick-walled vessels +/- fibrin thrombi, +/-edema, covered by squamous epithelium +/- keratinization and/or columnar epithelium
	\| Subtypes =		\| Subtypes =
	\| LMDDx = [[fibroepithelial polyp]], vascular lesions		\| LMDDx = [[fibroepithelial polyp]], vascular lesions (e.g. [[Kaposi sarcoma]])
	\| Stains =		\| Stains =
	\| IHC =		\| IHC =
Line 26:		Line 26:
	\| Prognosis = benign		\| Prognosis = benign
	\| Other =		\| Other =
	\| ClinDDx = other causes of rectal bleeding, e.g. [[colorectal carcinoma]]		\| ClinDDx = other causes of rectal bleeding (e.g. [[colorectal carcinoma]]), [[malignant melanoma]]
	}}		}}
	'''Hemorrhoid''' is a benign pathology of the rectal venous plexus, that may mimic more serious pathology, i.e. [[cancer]].		'''Hemorrhoid''' is a benign pathology of the rectal venous plexus, that may mimic more serious pathology, i.e. [[cancer]].
Line 43:		Line 43:
	*Grey mucosa.		*Grey mucosa.
	*Pale or purple stroma.		*Pale or purple stroma.

			DDx - clinical:
			*[[Malignant melanoma]].<ref name=pmid11592745>{{Cite journal \| last1 = Felz \| first1 = MW. \| last2 = Winburn \| first2 = GB. \| last3 = Kallab \| first3 = AM. \| last4 = Lee \| first4 = JR. \| title = Anal melanoma: an aggressive malignancy masquerading as hemorrhoids. \| journal = South Med J \| volume = 94 \| issue = 9 \| pages = 880-5 \| month = Sep \| year = 2001 \| doi = \| PMID = 11592745 }}
			</ref>

	===Microscopic===		===Microscopic===

Michael: /* References */

2013-12-20T01:41:34Z

References

← Older revision		Revision as of 01:41, 20 December 2013
Line 95:		Line 95:
	[[Category:Anus]]		[[Category:Anus]]
	[[Category:Gastrointestinal pathology]]		[[Category:Gastrointestinal pathology]]
			[[Category:Diagnosis]]

Michael at 01:40, 20 December 2013

2013-12-20T01:40:37Z

← Older revision		Revision as of 01:40, 20 December 2013
Line 58:		Line 58:
	**[[Arteriovenous malformation]] - has large arteries.		**[[Arteriovenous malformation]] - has large arteries.

	Image:		===Image===
			<gallery>
			Image: Hemorrhoid -- very low mag.jpg \| Hemorrhoid - very low mag. (WC)
			Image: Hemorrhoid -- low mag.jpg \| Hemorrhoid - low mag. (WC)
			Image: Hemorrhoid - alt -- low mag.jpg \| Hemorrhoid - low mag. (WC)
			Image: Hemorrhoid -- intermed mag.jpg \| Hemorrhoid - intermed. mag. (WC)
			</gallery>
			www:
	*[http://www.profimedia.si/picture/longitudinal-section-of-human-rectum-hemorrhoid-tissue/0039860546/ Hemorrhoids (profimedia.si)].		*[http://www.profimedia.si/picture/longitudinal-section-of-human-rectum-hemorrhoid-tissue/0039860546/ Hemorrhoids (profimedia.si)].

Michael at 01:39, 20 December 2013

2013-12-20T01:39:29Z

← Older revision		Revision as of 01:39, 20 December 2013
Line 1:		Line 1:
			{{ Infobox diagnosis
			\| Name = {{PAGENAME}}
			\| Image = Hemorrhoid -- low mag.jpg
			\| Width =
			\| Caption = Hemorrhoid. [[H&E stain]].
			\| Micro = polypoid lesion (epithelium on three sides) with large dilated veins and thick-walled vessels +/- fibrin thrombi, +/-edema, covered by squamous epithelium +/- keratinization and/or columnar epithelium
			\| Subtypes =
			\| LMDDx = [[fibroepithelial polyp]], vascular lesions
			\| Stains =
			\| IHC =
			\| EM =
			\| Molecular =
			\| IF =
			\| Gross =
			\| Grossing =
			\| Site = [[rectum]]/[[anus]]
			\| Assdx =
			\| Syndromes =
			\| Clinicalhx =
			\| Signs = +/-bright red blood per rectum
			\| Symptoms = +/-itching, +/-pain
			\| Prevalence = very common
			\| Bloodwork =
			\| Rads =
			\| Endoscopy =
			\| Prognosis = benign
			\| Other =
			\| ClinDDx = other causes of rectal bleeding, e.g. [[colorectal carcinoma]]
			}}
	'''Hemorrhoid''' is a benign pathology of the rectal venous plexus, that may mimic more serious pathology, i.e. [[cancer]].		'''Hemorrhoid''' is a benign pathology of the rectal venous plexus, that may mimic more serious pathology, i.e. [[cancer]].

Line 52:		Line 81:
	==See also==		==See also==
	*[[Anus]].		*[[Anus]].
			*[[Colon]].

	==References==		==References==

Michael: split out

2013-12-20T01:27:13Z

split out

← Older revision		Revision as of 01:27, 20 December 2013
Line 1:		Line 1:
	~~#redirect~~ [[Anus~~#Hemorrhoids~~]]		'''Hemorrhoid''' is a benign pathology of the rectal venous plexus, that may mimic more serious pathology, i.e. [[cancer]].

			==General==
			*Benign.

			Clinical features:<ref>{{Cite journal \| last1 = Cazemier \| first1 = M. \| last2 = Felt-Bersma \| first2 = RJ. \| last3 = Cuesta \| first3 = MA. \| last4 = Mulder \| first4 = CJ. \| title = Elastic band ligation of hemorrhoids: flexible gastroscope or rigid proctoscope? \| journal = World J Gastroenterol \| volume = 13 \| issue = 4 \| pages = 585-7 \| month = Jan \| year = 2007 \| doi = \| PMID = 17278225 }}</ref>
			*Bright red blood per rectum (BRBPR).
			*Pain.
			*Itching.
			*Prolapse.

			==Gross==
			Features:<ref name=Ref_GLP401>{{Ref GLP\|401}}</ref>
			*Grey mucosa.
			*Pale or purple stroma.

			===Microscopic===
			Features:<ref name=Ref_GLP401>{{Ref GLP\|401}}</ref>
			*Polypoid lesion - epithelium on three sides:
			**Large dilated veins and thick-walled vessels +/- fibrin thrombi - '''key feature'''.
			**Edema.
			**Squamous epithelium +/- keratinization ''or'' columnar epithelium.

			DDx:
			*[[Fibroepithelial polyp]].
			*Vascular lesions.
			**[[Kaposi sarcoma]].
			**[[Angiosarcoma]].
			**[[Arteriovenous malformation]] - has large arteries.

			Image:
			*[http://www.profimedia.si/picture/longitudinal-section-of-human-rectum-hemorrhoid-tissue/0039860546/ Hemorrhoids (profimedia.si)].

			==Sign out==
			<pre>
			ANAL LESION, REMOVAL:
			- HEMORRHOID.
			</pre>

			<pre>
			HEMORRHOIDS, EXCISION:
			- HEMORRHOIDS.
			</pre>

			===Micro===
			The sections show rectal and anal mucosa, and a submucosa with prominent blood vessels in a fibrotic stroma. The rectal mucosa has focal reactive nuclear changes and evidence of prior erosions. The anal mucosa is unremarkable.

			====Anal mucosa only====
			The sections show anal mucosa, and submucosa with prominent blood vessels in a
			fibrotic stroma. The anal mucosa is unremarkable.

			==See also==
			*[[Anus]].

			==References==
			{{Reflist\|2}}

			[[Category:Anus]]
			[[Category:Gastrointestinal pathology]]

Michael: fix

2012-12-07T22:47:08Z

fix

← Older revision		Revision as of 22:47, 7 December 2012
Line 1:		Line 1:
	#redirect [[Anus#~~hemorrhoids~~]]		#redirect [[Anus#Hemorrhoids]]