Anal Masses: Symptoms, Causes, and When to Seek Help - Surgery

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External anal mass


Yesterday, after using the restroom, I felt a lump about 0.5 centimeters in diameter near the anal area.
It is black in color, painful to touch, and feels uncomfortable as if something is there when not touched.
I also experience some pain when the anal sphincter contracts.
After reviewing several cases, I'm uncertain about the specific condition, so I would like to ask the doctor a few questions: 1.
What could this condition be? 2.
Do I need to see a doctor? 3.
Could this be hemorrhoids? 4.
Is it likely to heal on its own, and would applying medication help? Thank you for your response, doctor.

Xiao Liu, 20~29 year old female. Ask Date: 2022/02/04

Dr. Zhang Shuhao reply Surgery


Young people commonly experience thrombosed hemorrhoids, which occur when the subcutaneous hemorrhoidal tissue bleeds and forms small blood clots.
Soaking in warm water can help the clots to be reabsorbed.
During this time, it is advisable to reduce the intake of irritating foods and increase fluid intake to prevent constipation.
Topical ointments can be used to accelerate inflammation reduction.
Eventually, the swelling will decrease, but it may not completely disappear.
If there are concerns, a visit to a colorectal specialist for examination and medication may be warranted.
Wishing you a speedy recovery.

Reply Date: 2022/02/04

More Info


When it comes to anal masses, it’s essential to approach the situation with caution and awareness of the potential underlying conditions. Based on your description of a painful, black-colored mass near the anus, measuring approximately 0.5 cm, there are several possibilities to consider. Here’s a breakdown of your questions:
1. Possible Conditions: The symptoms you describe could be indicative of several conditions. The most common include:
- Hemorrhoids: These are swollen veins in the lower rectum or anus, which can be internal or external. External hemorrhoids can become thrombosed (clotted), leading to pain and a hard lump.

- Anal Fissures: These are small tears in the lining of the anus, often accompanied by pain during bowel movements.

- Skin Tags: These are benign growths that can occur around the anal area, often following the healing of hemorrhoids.

- Abscesses: An anal abscess is a collection of pus that can occur due to infection, leading to swelling and pain.

- Warts or Polyps: These can also appear in the anal region and may require further evaluation.

2. When to See a Doctor: It is advisable to see a healthcare provider for an accurate diagnosis. Given that the mass is painful and has changed in color, it’s important to have it evaluated. A healthcare professional can perform a physical examination and may recommend further tests, such as an ultrasound or biopsy, if necessary.

3. Could It Be Hemorrhoids?: Yes, it could potentially be hemorrhoids, especially if you have a history of constipation, straining during bowel movements, or prolonged sitting. However, the black color and pain you describe warrant further investigation to rule out other conditions.

4. Self-Healing and Treatment: While some conditions, like minor hemorrhoids, may resolve on their own with lifestyle changes (such as increased fiber intake, hydration, and warm baths), others may require medical intervention. Over-the-counter topical treatments may provide relief for hemorrhoids or skin irritation, but they won’t address underlying issues if the mass is due to something more serious. It’s crucial not to self-diagnose or rely solely on topical treatments without consulting a healthcare provider.

In summary, while some anal masses can be benign and self-limiting, the presence of pain and a change in color, especially to black, is concerning. It’s best to seek medical attention promptly to ensure proper diagnosis and treatment. Early intervention can prevent complications and provide peace of mind. Remember, your health is paramount, and addressing these symptoms with a professional is the best course of action.

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