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Doctor insights on: Can You Explain The Difference Between Anal Fissure And Anal Fistula

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Can you explain the difference between anal fissure and anal fistula?

Can you explain the difference between anal fissure and anal fistula?

Tear vs. Tunnel: An anal fissure is a tear in the lining of the anal canal, just inside the opening, and typically causes pain and bleeding. An anal fistula is an abnormal communication (tunnel) from inside the anal canal out to the perianal skin, usually the result of a prior perirectal abscess. It may cause drainage, swelling, discomfort and recurrent abscesses. Both are treatable conditions. ...Read more

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Fissure (Definition)

Grooves or clefts in various anatomical structures such as the brain (transverse fissure between cerebrum & cerebellum), the skull (sphenoidal fissure), the liver (for the ligamentum teres), the lung (oblique fissure), the spinal cord (ventral median fissure), or other structures such as the palpebral fissure between upper & lower eyelids. Can also be a tear in a structure ...Read more


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What the difference between anal fissure and anal fistula?

What the difference between anal fissure and anal fistula?

Tear / tract: A fissure is s a tear in the anal mucosa. A fistula is a tunnel deeper in the tissues with one opening on the outside and another opening on the inside of the anal canal or lower rectum. ...Read more

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What is the difference between anal fissure/ fistula and a hemorrhoid?

What is the difference between anal fissure/ fistula and a hemorrhoid?

Different problems: An anal fissure is a tear in the lining of the anal canal causing pain and bleeding. An anal fistula is a tunnel from inside the anal canal out to the perianal skin. It may cause drainage, pain and swelling. There are internal hemorrhoids which may prolapse and cause bleeding, discomfort and itching, and external hemorrhoids which may cause pain or difficulty with cleaning. ...Read more

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Please help! what is the difference between anal fissure/ fistula and hemorrhoid?

Please help! what is the difference between anal fissure/ fistula and hemorrhoid?

Different: Hemorroid--engorged blood hemorrhoidal blood vessel fistula--connection between anal skin and inside your anus or rectum fissure--skin tear. ...Read more

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What are the differences between fistula ani, anal fissure and hemorroid? Thank You

What are the differences  between fistula ani, anal fissure and hemorroid? Thank You

Different diseases: Different common ano-rectal diseases. Fissure is crack in anal canal , hemorrhoids are varicose veins like vascular structures protruding from anorectal area under the mucous membrane , anal fistula communicate with a internal opening at anorectal junction to external opening(s) in perennial area . See you doctor will tell your problem. ...Read more

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What are the differences between an anal fissure/fistula and hemorrhoid?

Very different: Hemorrhoids are veins that dilate in the rectum, can be internal or external. Fissure is a crack on the skin of the anal canal, cause severe pain when having a bowel movement. Fistula is a connection between the inside of the rectum and the skin surrounding the anus. Usually start as an abscess around the anal canal, very painful too ...Read more

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How can a proctologist tell if it's a fissure fistula or a anal fissure?

Exam: Physical examination by a trained professional. Fissure is a crack or tear on the surface of the anal skin. A fistula is an infected tunnel running underneath the anal skin. ...Read more

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How do you know if you have a fissure fistula or a anal fissure? Would my proctologist know what i have?

Yes: Fistulae usually case infections and painful lumps (abscesses) fissures more commonly cause pain with defecation and some small amount of bleeding. An exam will help your md decide. ...Read more

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What is the distinction between anal fissure/fistula and hemorrhoid?

What is the distinction between anal fissure/fistula and hemorrhoid?

All different: An anal fissure is a small tear in the mucosa that lines the anus. An anal fistula is tract between the anal canal and the skin. A hemorrhoid is a 'varicose (dilated) vein" of the anal canal. ...Read more

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Is it possible to have an anal fistula that is only an inch long? Connects from top of healing fissure (no pain) & pus drains/collects nearby

Yes: Absolutely. This happens. As a fissure is healing, it can form a small subcutaneous sinus that becomes a fistula. I have seen that several times. It heals very well because it usually involves no sphincter muscle and is readily treated with a simple fistulotomy. ...Read more

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Dr. Linda Callaghan
3 doctors shared insights

Anal Fistula (Definition)

An anal fistula is an abnormal connection or tract that connects the inside lining of the colon or rectum with the outside skin. It intermittently drains pus and can cause discomfort, pain, itching, and other symptoms. It most commonly occurs as a consequence of an abscess in the same area. This may require outpatient surgery ...Read more


Fistula (Definition)

A fistula is an abnormal connection between two places. Most commonly, it originates somewhere in the intestine and communicates to another location in the intestine or in the skin. A fistula can develop after abdominal surgery, with inflammatory bowel disease, cancer, anorectal abscess, and ...Read more