Anal abscess? Anal fistula?
Hello, Doctor! I apologize for the lengthy message.
After using the restroom, I rinsed my buttocks and felt a soft lump near the anal area.
I later researched online and it seemed like it could be an anal abscess or an anal fistula.
I noticed something unusual about my anus, so I went to see a doctor.
The doctor diagnosed it as a fistula (this was my first experience with such a situation).
I saw this doctor three times: the first time he said it was a fistula, the second time he said it hadn’t formed, and the third time he said it had formed.
However, the symptoms around the anal area disappeared afterward.
To confirm whether I had a fistula, I consulted another doctor who used an anoscope (I felt discomfort as if my anus was being stretched, which I didn’t experience with the previous doctor).
After the examination, this doctor said there was no fistula.
However, due to poor sleep and the onset of my menstrual period, my immune system weakened, and I developed a lump about 6 to 7 centimeters from the anal opening, which felt like a firm, round cyst that was painful when pressed but not when untouched.
I felt a line leading towards the anal folds.
When I visited the hospital, I asked the doctor whether it was an abscess or a fistula.
The doctor performed a physical examination and a digital rectal exam (which I didn’t feel).
He concluded that it was not a fistula but rather an inflammation of a skin gland, similar to a cyst, and it didn’t resemble a fistula.
He mentioned there seemed to be a nodule (I can’t recall if he specifically mentioned a nodule).
I would like to ask, based on Dr.
Ke's clinical experience, if he has encountered other patients with skin gland inflammation rather than a fistula or abscess? Is it difficult for doctors to differentiate between a fistula and an abscess? The doctor mentioned it was similar to how people get acne.
Overall, I have been very troubled by this for the past few months, constantly wondering if I have a fistula, but the doctors have all given different opinions.
Thank you.
Ting, 40~49 year old female. Ask Date: 2023/04/24
Dr. Ke Fangxu reply Surgery
If the infection symptoms are not severe, it can sometimes be difficult to diagnose anal fistulas or abscesses.
An anal fistula must meet two essential criteria: the presence of a skin opening and a tubular structure.
An abscess, on the other hand, requires the accumulation of pus for diagnosis.
Therefore, a physical examination is necessary to confirm the diagnosis.
Whether treatment is needed depends on the presence of uncomfortable symptoms or the impact on daily life.
If a definitive diagnosis cannot be made immediately, antibiotics are typically administered first, and the situation is monitored for further developments.
Once a diagnosis is confirmed, the next steps in treatment can be determined.
Reply Date: 2023/04/24
More Info
Understanding anal abscesses and fistulas can indeed be a complex journey for patients, especially when faced with varying opinions from different healthcare providers. It’s important to clarify the distinctions between these conditions and how they can present, as well as the diagnostic approaches that can be taken.
An anal abscess is a localized infection that occurs in the tissue surrounding the anus or rectum. It typically presents as a painful, swollen area that may be warm to the touch. Patients often report discomfort, especially during bowel movements, and may notice drainage of pus. The abscess can develop from an infection of the anal glands, which can become blocked and lead to pus accumulation.
On the other hand, an anal fistula is an abnormal connection between the anal canal and the skin surrounding the anus. Fistulas often develop as a complication of an anal abscess that has not healed properly. They can cause persistent drainage, discomfort, and sometimes recurrent infections. Fistulas can be classified based on their location and complexity, and they may require surgical intervention for proper management.
In your case, it seems you initially experienced a soft lump near the anal area, which raised concerns about an abscess or fistula. The varying diagnoses from different physicians can be attributed to the subtle differences in presentation and the challenges in visualizing these structures without appropriate imaging or examination techniques. An anorectal examination, including the use of an anoscope, can provide better visualization of the anal canal and surrounding tissues, which may help in making a more accurate diagnosis.
The fact that you experienced a lump that was painful and later developed into a firm nodule could suggest a few possibilities. If the lump is indeed a sebaceous cyst or a pilonidal cyst, these can occur in the perianal area and may mimic the symptoms of an abscess or fistula. These cysts can become inflamed or infected, leading to discomfort and the formation of a palpable mass.
It is also worth noting that skin tags or perianal warts can sometimes be mistaken for more serious conditions, and they do not typically require surgical intervention unless symptomatic.
Regarding your concern about whether anal abscesses or fistulas are difficult to diagnose, it is true that they can sometimes present with overlapping symptoms, making clinical judgment essential. Factors such as the presence of drainage, the consistency of the lump, and associated symptoms (like fever or systemic signs of infection) can guide the diagnosis.
In your case, since the symptoms have subsided and the lump has been assessed by multiple healthcare providers, it may be beneficial to monitor the situation closely. If the lump persists, changes, or if you experience new symptoms, further evaluation may be warranted.
In conclusion, while the journey to understanding anal abscesses and fistulas can be fraught with uncertainty, it is crucial to maintain open communication with your healthcare providers. If you feel uncertain about the diagnosis or treatment plan, seeking a second opinion from a specialist, such as a colorectal surgeon, may provide additional clarity and reassurance. Remember, your comfort and peace of mind are paramount, and persistent symptoms should always be addressed promptly.
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