the Differences Between Fistulas and Hemorrhoids - Surgery

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Fistula or hemorrhoids


Recently, I felt a soft lump near the anus that seems not to be connected to the surrounding skin.
For a while, I had been experiencing bleeding during bowel movements, and a doctor suggested it might be an anal fissure.
Recently, I have also noticed that the lump is painful, regardless of whether I have a bowel movement.
Could this possibly be hemorrhoids or a fistula? Thank you, doctor!

Hi, 10~19 year old female. Ask Date: 2019/01/08

Dr. Ke Fangxu reply Surgery


Answer: It is impossible to make an accurate diagnosis without a physician's personal examination.
Conditions such as anal fissures, hemorrhoids, fistulas, abscesses, or pilonidal cysts could all be potential issues.
It is advisable to consult a physician for an examination to avoid delaying treatment and worsening the condition.

Reply Date: 2019/01/08

More Info


When it comes to understanding the differences between fistulas and hemorrhoids, it's essential to recognize that while both conditions can occur in the anal region and may present with similar symptoms, they are distinct entities with different underlying causes and implications for treatment.

Hemorrhoids are swollen veins in the lower rectum and anus, similar to varicose veins. They can be classified into two types: internal and external. Internal hemorrhoids are located inside the rectum and are usually not visible, while external hemorrhoids are located under the skin around the anus and can be felt as lumps. Symptoms of hemorrhoids may include:
- Pain or discomfort, especially during bowel movements
- Bleeding during bowel movements, which may appear as bright red blood on toilet paper or in the toilet bowl
- Swelling or lumps near the anus
- Itching or irritation in the anal region
In your case, since you mentioned a soft lump near the anus that feels separate from the surrounding skin and is painful regardless of bowel movements, it could potentially be an external hemorrhoid, especially if you have a history of rectal bleeding. Hemorrhoids can become thrombosed (clotted), leading to increased pain and swelling.

On the other hand, fistulas are abnormal connections between the rectum or anus and the skin or another organ. They often develop as a complication of conditions such as anal abscesses, inflammatory bowel disease, or trauma. Symptoms of a fistula may include:
- Persistent drainage of pus or stool from the opening on the skin
- Pain and swelling around the anus
- Recurrent abscesses in the anal area
- Irritation or itching
Given that you have experienced rectal bleeding and now have a painful lump, it is crucial to consider the possibility of a fistula, especially if there is any drainage or if the lump feels like it is connected to an internal structure.
To differentiate between the two conditions, a thorough examination by a healthcare professional is necessary. They may perform a physical examination and possibly imaging studies or an endoscopic evaluation to determine the exact nature of the lump and the underlying cause of your symptoms.

In summary, while hemorrhoids and fistulas can both cause discomfort and may present with similar symptoms, they are fundamentally different. Hemorrhoids are swollen veins that can cause bleeding and pain, while fistulas are abnormal connections that may lead to drainage and recurrent infections. Given your symptoms, it is advisable to seek medical attention promptly to receive an accurate diagnosis and appropriate treatment.
In the meantime, managing symptoms with warm sitz baths, over-the-counter pain relief, and avoiding straining during bowel movements can help alleviate discomfort. However, definitive treatment will depend on the underlying diagnosis, so please consult a healthcare provider for a comprehensive evaluation.

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