How to find the internal opening of a perianal abscess?

Written by Chen Tian Jing
Colorectal Surgery
Updated on September 03, 2024
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The internal opening of a perianal abscess is mainly identified through digital rectal examination and with the aid of a probe and perianal ultrasonography. Typically, during the onset of a perianal abscess, there is noticeable redness, swelling, heat, and pain around the anus. Inside the anal canal, digital rectal examination and anoscopy reveal swollen mucosa at the anal crypt, accompanied by the discharge of pus. Using a probe for exploration can clearly identify the presence of the internal opening locally. Once the internal opening of a perianal abscess is located, prompt surgical treatment is necessary. Surgery for perianal abscesses generally involves a one-time radical procedure complemented by incision and drainage. If an internal opening exists and involves the sphincter, further surgery involving incision, drainage, and seton placement may be required.

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Written by Chen Tian Jing
Colorectal Surgery
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Can you drink alcohol with a perianal abscess?

Patients with perianal abscess should not drink alcohol. Long-term or excessive alcohol consumption, due to the effects of evaporation or sublimation, can cause local congestion and edema at the anus, and may also increase the risk of infection. As perianal abscess is a local infectious disease of the anus, not only should alcohol be avoided during the acute phase, but prompt surgical treatment is also necessary. If a patient with a perianal abscess does not undergo timely surgical intervention, the pus cavity may expand and the abscess may further spread and rupture, potentially forming an anal fistula. Excessive drinking could lead to worsened local inflammatory symptoms, resulting in an increase in pus and possibly enhancing pain or infection, leading to a more extensive infection in the anal area. Therefore, patients with a perianal abscess should not consume alcohol.

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Written by Chen Tian Jing
Colorectal Surgery
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Can a perianal abscess heal by itself?

During the acute phase of a perianal abscess, there is significant local redness, swelling, heat, and pain around the anus. Generally, this condition is caused by an infection of the anal crypts, and the possibility of self-healing is very low, so the main treatment for a perianal abscess is surgery. The surgical approach usually involves incision and drainage of the perianal abscess, combined with a one-time curative surgery. If the abscess ruptures and forms an anal fistula, surgical treatment is also required. During the outbreak of a perianal abscess, due to the severe local pain, it is advisable to undergo surgery as soon as possible to prevent further spread of the abscess. Simple topical medications can only relieve the symptoms of local inflammatory infection and cannot achieve a cure.

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Written by Chen Tian Jing
Colorectal Surgery
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Can conservative treatment be effective for perianal abscesses?

Conservative treatment of perianal abscesses can only relieve temporary inflammatory symptoms and cannot achieve a curative effect. There is also the potential for conservative treatment to delay the condition, leading to an increase in the size of the abscess cavity or the rapid expansion of pus, thereby exacerbating the condition. Once a perianal abscess is identified, surgical treatment should be carried out as soon as possible. First, the abscess cavity needs to be opened, and the enclosed pus drained completely, and then either a local incision with suture or debridement surgery chosen for treatment. Additionally, it is necessary to maintain the normal function of the anal sphincter. If only conservative medication is used for a perianal abscess, it can only temporarily relieve the current symptoms and does not benefit the healing of the disease or its long-term development at all.

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Written by Yu Xu Chao
Colorectal Surgery
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Differences between minimally invasive surgery and traditional surgery for perianal abscess

In clinical practice, perianal abscesses are primarily due to infection and inflammation of the anal glands, which then leads to the formation of red and swollen masses around the anus, causing pain and swelling near the anus. If not treated surgically in a timely manner, it can lead to necrotizing fasciitis or anal fistulas. Minimally invasive surgery for perianal abscesses mainly aims to minimize damage to the anal sphincter during the procedure. Techniques such as loop drainage can be employed to preserve it, whereas traditional surgery generally involves larger incisions, but provides better drainage and has a lower recurrence rate post-operatively. However, leakage or moisture in the anal area can occur after traditional surgery. For minimally invasive surgery for perianal abscesses, there is a relatively higher recurrence rate since the drainage may not be as effective. However, the integrity of the anus post-surgery is better preserved and incidents of leakage are less frequent. The choice of surgical method should still be based on the severity of the perianal abscess.

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Written by Chen Tian Jing
Colorectal Surgery
1min 8sec home-news-image

How to find the internal opening of a perianal abscess?

The internal opening of a perianal abscess is mainly identified through digital rectal examination and with the aid of a probe and perianal ultrasonography. Typically, during the onset of a perianal abscess, there is noticeable redness, swelling, heat, and pain around the anus. Inside the anal canal, digital rectal examination and anoscopy reveal swollen mucosa at the anal crypt, accompanied by the discharge of pus. Using a probe for exploration can clearly identify the presence of the internal opening locally. Once the internal opening of a perianal abscess is located, prompt surgical treatment is necessary. Surgery for perianal abscesses generally involves a one-time radical procedure complemented by incision and drainage. If an internal opening exists and involves the sphincter, further surgery involving incision, drainage, and seton placement may be required.