Rectal Masses: Causes and Treatment Options - Surgery

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Rectal foreign body


I usually drink very little water, which often results in hard stools.
Today, after having a bowel movement during the day, I noticed some bleeding from the anus.
In the evening, I discovered a small, reddish, non-painful lump outside the anus that is easily palpable.
This same situation occurred about one or two years ago, and after an examination at the hospital, the doctor indicated that there were no hemorrhoids but a mild anal fissure.
After taking some stool softeners and applying medication, I didn't pay attention to when that lump disappeared.
Now, it has reappeared, and I would like to know what it could be.

XX, 20~29 year old female. Ask Date: 2017/03/09

Dr. Yu Mingchang reply Surgery


Hello: The likelihood of external moles is higher.
Please take some time to consult with the Department of Colorectal Surgery at Changhua Hospital, Ministry of Health and Welfare, as they care about your health.

Reply Date: 2017/03/09

More Info


Understanding rectal masses can be a complex issue, as they can arise from various causes, each requiring different treatment approaches. Based on your description, it seems you are experiencing a recurrence of a mass near the anus, which is red, non-painful, and palpable. Given your history of hard stools and a previous diagnosis of a mild anal fissure, it is essential to consider several potential causes for this mass.


Possible Causes of Rectal Masses
1. Hemorrhoids: While you mentioned that a doctor previously ruled out hemorrhoids, it is worth noting that external hemorrhoids can present as a soft, flesh-colored or reddish mass around the anal area. They can become thrombosed (clotted), leading to pain and swelling, but they can also be painless.

2. Skin Tags: After an episode of hemorrhoids or anal fissures, skin tags can develop as a result of the skin healing. These are benign and typically painless, appearing as small, fleshy protrusions.

3. Anal Fissures: Although you have a history of mild anal fissures, they can sometimes present with a small mass or tag of tissue at the site of healing. This may not be a true mass but rather a remnant of the fissure.

4. Rectal Prolapse: In some cases, a small portion of the rectal lining can protrude through the anus, especially during bowel movements. This can appear as a mass and may be more noticeable after straining.

5. Polyps or Tumors: While less common, rectal polyps or tumors can also present as masses. These can be benign or malignant, and their evaluation typically requires a colonoscopy.


Recommended Actions
Given the recurrence of the mass and the associated bleeding, it is crucial to seek medical evaluation. Here are some steps you can take:
1. Consult a Gastroenterologist: A specialist can perform a thorough examination, including a digital rectal exam and possibly an anoscopy, to visualize the area more clearly.

2. Consider a Colonoscopy: If there is any suspicion of polyps or other abnormalities, a colonoscopy may be warranted. This procedure allows for direct visualization of the rectum and colon and can facilitate biopsies if necessary.

3. Manage Constipation: Since you mentioned having hard stools, it is essential to address this issue. Increasing water intake, dietary fiber, and possibly using stool softeners or laxatives can help prevent further irritation and the development of fissures or hemorrhoids.

4. Monitor Symptoms: Keep track of any changes in the mass, such as size, color, or associated symptoms like pain or changes in bowel habits. This information will be valuable for your healthcare provider.


Treatment Options
The treatment for rectal masses will depend on the underlying cause:
- For hemorrhoids or skin tags: Conservative management with topical treatments, dietary changes, and possibly surgical removal if they become bothersome.

- For anal fissures: Continued use of stool softeners, topical anesthetics, and possibly nitroglycerin ointment or calcium channel blockers to promote healing.

- For polyps or tumors: Surgical removal and further treatment based on biopsy results.

In conclusion, while the mass you are experiencing may be benign, it is essential to have it evaluated by a healthcare professional to rule out any serious conditions and to receive appropriate treatment. Early intervention can prevent complications and improve your overall health.

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