Anal fistula - Revision history

Ostermayer: Marked this version for translation

2026-01-06T20:29:41Z

Marked this version for translation

← Older revision		Revision as of 20:29, 6 January 2026
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	<translate>		<translate>

	==Background==		==Background== <!--T:1-->

			<!--T:2-->
	[[File:Rectum anatomy en.png\|thumb\|Anatomy of the anus and rectum.]]		[[File:Rectum anatomy en.png\|thumb\|Anatomy of the anus and rectum.]]
	[[File:Fistula diag 01.png\|thumb\|Different types of anal fistulas.]]		[[File:Fistula diag 01.png\|thumb\|Different types of anal fistulas.]]
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	===Causes===		===Causes=== <!--T:3-->

			<!--T:4-->
	*[[Special:MyLanguage/perianal Abscess\|Perianal]]/ischiorectal abscess		*[[Special:MyLanguage/perianal Abscess\|Perianal]]/ischiorectal abscess
	*[[Special:MyLanguage/Crohn's\|Crohn's]]		*[[Special:MyLanguage/Crohn's\|Crohn's]]
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	==Clinical Features==		==Clinical Features== <!--T:5-->

			<!--T:6-->
	*Fistulous tract open: Persistent, painless, blood-stained, mucous, malodorous discharge		*Fistulous tract open: Persistent, painless, blood-stained, mucous, malodorous discharge
	*Fistulous tract blocked: Bouts of inflammation that are relieved by spontaneous rupture		*Fistulous tract blocked: Bouts of inflammation that are relieved by spontaneous rupture
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	==Differential Diagnosis==		==Differential Diagnosis== <!--T:7-->

	</translate>		</translate>
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	==Evaluation==		==Evaluation== <!--T:8-->

			<!--T:9-->
	*Endocavitary [[Special:MyLanguage/ultrasound\|ultrasound]] with 3% hydrogen peroxide for definitive diagnosis		*Endocavitary [[Special:MyLanguage/ultrasound\|ultrasound]] with 3% hydrogen peroxide for definitive diagnosis

	==Management==		==Management== <!--T:10-->

			<!--T:11-->
	#Ill-appearing		#Ill-appearing
	##[[Special:MyLanguage/Analgesia\|Analgesia]]		##[[Special:MyLanguage/Analgesia\|Analgesia]]
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	==See Also==		==See Also== <!--T:12-->

			<!--T:13-->
	*[[Special:MyLanguage/Anorectal Disorders\|Anorectal Disorders]]		*[[Special:MyLanguage/Anorectal Disorders\|Anorectal Disorders]]


	==References==		==References== <!--T:14-->

			<!--T:15-->
	<references/>		<references/>


			<!--T:16-->
	[[Category:GI]]		[[Category:GI]]
	[[Category:Surgery]]		[[Category:Surgery]]
	</translate>		</translate>

Ostermayer: Prepared the page for translation

2026-01-04T21:39:09Z

Prepared the page for translation

← Older revision		Revision as of 21:39, 4 January 2026
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			<languages/>
			<translate>

	==Background==		==Background==

	[[File:Rectum anatomy en.png\|thumb\|Anatomy of the anus and rectum.]]		[[File:Rectum anatomy en.png\|thumb\|Anatomy of the anus and rectum.]]
	[[File:Fistula diag 01.png\|thumb\|Different types of anal fistulas.]]		[[File:Fistula diag 01.png\|thumb\|Different types of anal fistulas.]]
Line 8:		Line 12:
	***If external opening is anterior to this line fistula runs directly into the canal		***If external opening is anterior to this line fistula runs directly into the canal
	***If external opening is posterior to this line fistula curves to post midline of canal		***If external opening is posterior to this line fistula curves to post midline of canal


	===Causes===		===Causes===
	*[[perianal Abscess\|Perianal]]/ischiorectal abscess
	*[[Crohn's]]		*[[Special:MyLanguage/perianal Abscess\|Perianal]]/ischiorectal abscess
	*[[Ulcerative colitis]]		*[[Special:MyLanguage/Crohn's\|Crohn's]]
			*[[Special:MyLanguage/Ulcerative colitis\|Ulcerative colitis]]
	*Malignancy		*Malignancy
	*[[STI]]		*[[Special:MyLanguage/STI\|STI]]
	*[[Anal fissure]]		*[[Special:MyLanguage/Anal fissure\|Anal fissure]]
	*[[Rectal foreign body\|foreign bodies]]		*[[Special:MyLanguage/Rectal foreign body\|foreign bodies]]
	*[[TB]]		*[[Special:MyLanguage/TB\|TB]]


	==Clinical Features==		==Clinical Features==

	*Fistulous tract open: Persistent, painless, blood-stained, mucous, malodorous discharge		*Fistulous tract open: Persistent, painless, blood-stained, mucous, malodorous discharge
	*Fistulous tract blocked: Bouts of inflammation that are relieved by spontaneous rupture		*Fistulous tract blocked: Bouts of inflammation that are relieved by spontaneous rupture
	*[[perianal Abscess\|Abscess]]		*[[Special:MyLanguage/perianal Abscess\|Abscess]]
	**Throbbing pain that is constant and worse with sitting, moving, defecation		**Throbbing pain that is constant and worse with sitting, moving, defecation
	**May be only sign of fistula		**May be only sign of fistula
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	**Adjacent to anal margin suggests superficial connection (e.g. intersphincteric region)		**Adjacent to anal margin suggests superficial connection (e.g. intersphincteric region)
	**Distant from anal margin suggests deeper, more superior abscess		**Distant from anal margin suggests deeper, more superior abscess


	==Differential Diagnosis==		==Differential Diagnosis==

			</translate>
	{{Anorectal DDX}}		{{Anorectal DDX}}
			<translate>


	==Evaluation==		==Evaluation==
	*Endocavitary [[ultrasound]] with 3% hydrogen peroxide for definitive diagnosis
			*Endocavitary [[Special:MyLanguage/ultrasound\|ultrasound]] with 3% hydrogen peroxide for definitive diagnosis

	==Management==		==Management==

	#Ill-appearing		#Ill-appearing
	##[[Analgesia]]		##[[Special:MyLanguage/Analgesia\|Analgesia]]
	##[[IVF]]		##[[Special:MyLanguage/IVF\|IVF]]
	##[[Antibiotics]]		##[[Special:MyLanguage/Antibiotics\|Antibiotics]]
	##Urgent surgical consultation		##Urgent surgical consultation
	#Well-appearing		#Well-appearing
	##Antibiotics		##Antibiotics
	###[[Ciprofloxacin]] 750mg PO BID AND [[metronidazole]] 500mg QID x7d		###[[Special:MyLanguage/Ciprofloxacin\|Ciprofloxacin]] 750mg PO BID AND [[Special:MyLanguage/metronidazole\|metronidazole]] 500mg QID x7d
	##Outpatient surgery referral		##Outpatient surgery referral
	###Improperly excised fistulas may result in permanent fecal incontinence		###Improperly excised fistulas may result in permanent fecal incontinence
	##Spasm treatment		##Spasm treatment
	###[[Nitroglycerin]], [[Lidocaine]]		###[[Special:MyLanguage/Nitroglycerin\|Nitroglycerin]], [[Special:MyLanguage/Lidocaine\|Lidocaine]]
	###Sitz baths		###Sitz baths


	==See Also==		==See Also==
	*[[Anorectal Disorders]]
			*[[Special:MyLanguage/Anorectal Disorders\|Anorectal Disorders]]


	==References==		==References==

	<references/>		<references/>

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	[[Category:GI]]		[[Category:GI]]
	[[Category:Surgery]]		[[Category:Surgery]]
			</translate>

Rossdonaldson1: /* Background */

2021-07-07T21:50:35Z

Background

← Older revision		Revision as of 21:50, 7 July 2021
Line 1:		Line 1:
	==Background==		==Background==
			[[File:Rectum anatomy en.png\|thumb\|Anatomy of the anus and rectum.]]
	[[File:Fistula diag 01.png\|thumb\|Different types of anal fistulas.]]		[[File:Fistula diag 01.png\|thumb\|Different types of anal fistulas.]]
	*Inflammatory tract originating from infected anal gland connecting anal canal with skin		*Inflammatory tract originating from infected anal gland connecting anal canal with skin

Rossdonaldson1: /* Background */

2021-07-07T18:39:23Z

Background

← Older revision		Revision as of 18:39, 7 July 2021
Line 1:		Line 1:
	==Background==		==Background==
	[[		[[File:Fistula diag 01.png\|thumb\|Different types of anal fistulas.]]
	File:Fistula diag 01.png\|thumb\|Different types of anal fistulas.]]
	*Inflammatory tract originating from infected anal gland connecting anal canal with skin		*Inflammatory tract originating from infected anal gland connecting anal canal with skin
	**May be intersphincteric, suprasphincteric, transsphincteric, or extrasphincteric		**May be intersphincteric, suprasphincteric, transsphincteric, or extrasphincteric

Rossdonaldson1: /* Background */

2021-07-07T18:39:09Z

Background

← Older revision		Revision as of 18:39, 7 July 2021
Line 1:		Line 1:
	==Background==		==Background==
			[[
			File:Fistula diag 01.png\|thumb\|Different types of anal fistulas.]]
	*Inflammatory tract originating from infected anal gland connecting anal canal with skin		*Inflammatory tract originating from infected anal gland connecting anal canal with skin
	**May be intersphincteric, suprasphincteric, transsphincteric, or extrasphincteric		**May be intersphincteric, suprasphincteric, transsphincteric, or extrasphincteric
Line 6:		Line 8:
	***If external opening is anterior to this line fistula runs directly into the canal		***If external opening is anterior to this line fistula runs directly into the canal
	***If external opening is posterior to this line fistula curves to post midline of canal		***If external opening is posterior to this line fistula curves to post midline of canal
	*Causes:
	**[[perianal Abscess\|Perianal]]/ischiorectal abscess, [[Crohn's]], [[~~ulcerative~~ colitis]]~~, malignancies,~~ [[STI]], [[~~anal fissures~~]], [[~~rectal~~ foreign body\|foreign bodies]], [[TB]]		===Causes===
			*[[perianal Abscess\|Perianal]]/ischiorectal abscess
			*[[Crohn's]]
			*[[Ulcerative colitis]]
			*Malignancy
			*[[STI]]
			*[[Anal fissure]]
			*[[Rectal foreign body\|foreign bodies]]
			*[[TB]]

	==Clinical Features==		==Clinical Features==

ClaireLewis: /* See Also */

2019-10-25T16:15:32Z

ClaireLewis at 19:00, 29 September 2019

2019-09-29T19:00:47Z

← Older revision		Revision as of 19:00, 29 September 2019
Line 7:		Line 7:
	***If external opening is posterior to this line fistula curves to post midline of canal		***If external opening is posterior to this line fistula curves to post midline of canal
	*Causes:		*Causes:
	**[[perianal ~~abscess~~\|Perianal]]/ischiorectal abscess, [[Crohn's]], [[ulcerative colitis]], malignancies, [[STI]], [[anal fissures]], [[rectal foreign body\|foreign bodies]], [[TB]]		**[[perianal Abscess\|Perianal]]/ischiorectal abscess, [[Crohn's]], [[ulcerative colitis]], malignancies, [[STI]], [[anal fissures]], [[rectal foreign body\|foreign bodies]], [[TB]]

	==Clinical Features==		==Clinical Features==
	*Fistulous tract open: Persistent, painless, blood-stained, mucous, malodorous discharge		*Fistulous tract open: Persistent, painless, blood-stained, mucous, malodorous discharge
	*Fistulous tract blocked: Bouts of inflammation that are relieved by spontaneous rupture		*Fistulous tract blocked: Bouts of inflammation that are relieved by spontaneous rupture
	*[[perianal ~~abscess~~\|Abscess]]		*[[perianal Abscess\|Abscess]]
	**Throbbing pain that is constant and worse with sitting, moving, defecation		**Throbbing pain that is constant and worse with sitting, moving, defecation
	**May be only sign of fistula		**May be only sign of fistula
Line 47:		Line 47:

	[[Category:GI]]		[[Category:GI]]
			[[Category:Surgery]]

ClaireLewis at 19:00, 29 September 2019

2019-09-29T19:00:12Z

← Older revision		Revision as of 19:00, 29 September 2019
Line 7:		Line 7:
	***If external opening is posterior to this line fistula curves to post midline of canal		***If external opening is posterior to this line fistula curves to post midline of canal
	*Causes:		*Causes:
	**Perianal/ischiorectal abscess, [[Crohn's]], [[ulcerative colitis]], malignancies, [[STI]], [[anal fissures]], foreign bodies, [[TB]]		**[[perianal abscess\|Perianal]]/ischiorectal abscess, [[Crohn's]], [[ulcerative colitis]], malignancies, [[STI]], [[anal fissures]], [[rectal foreign body\|foreign bodies]], [[TB]]

	==Clinical Features==		==Clinical Features==
	*Fistulous tract open: Persistent, painless, blood-stained, mucous, malodorous discharge		*Fistulous tract open: Persistent, painless, blood-stained, mucous, malodorous discharge
	*Fistulous tract blocked: Bouts of inflammation that are relieved by spontaneous rupture		*Fistulous tract blocked: Bouts of inflammation that are relieved by spontaneous rupture
	*Abscess		*[[perianal abscess\|Abscess]]
	**Throbbing pain that is constant and worse with sitting, moving, defecation		**Throbbing pain that is constant and worse with sitting, moving, defecation
	**May be only sign of fistula		**May be only sign of fistula

ClaireLewis: /* Management */

2019-09-24T04:17:49Z

Management

← Older revision		Revision as of 04:17, 24 September 2019
Line 26:		Line 26:
	==Management==		==Management==
	#Ill-appearing		#Ill-appearing
	##Analgesia		##[[Analgesia]]
	##[[IVF]]		##[[IVF]]
	##Antibiotics		##[[Antibiotics]]
	##Urgent surgical consultation		##Urgent surgical consultation
	#Well-appearing		#Well-appearing

Rossdonaldson1: Text replacement - " US " to " ultrasound "

2016-11-13T20:30:51Z

Text replacement - " US " to " ultrasound "

← Older revision		Revision as of 20:30, 13 November 2016
Line 23:		Line 23:

	==Evaluation==		==Evaluation==
	*Endocavitary US with 3% hydrogen peroxide for definitive diagnosis		*Endocavitary [[ultrasound]] with 3% hydrogen peroxide for definitive diagnosis
	==Management==		==Management==
	#Ill-appearing		#Ill-appearing

← Older revision		Revision as of 16:15, 25 October 2019
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	==See Also==		==See Also==
	[[Anorectal Disorders]]		*[[Anorectal Disorders]]

	==References==		==References==