Fibromas: When to See a Doctor and What Causes Them

Dermatofibroma

Hello, doctor.
I have noticed fibromas about the size of mung beans in my armpits and neck for several years, but recently I feel that they have grown a little.
Which specialty should I see? What causes these growths? Thank you!

angelina, 20~29 year old female. Ask Date: 2007/09/04

Dr. Zhan Deqin reply Family Medicine

Hello, thank you for your inquiry.
In response to your question, I would like to provide the following suggestions: There are many types of skin tumors, commonly including lipomas, keratoses, or fibromas.
I recommend consulting either a general surgeon or a dermatologist.
Under local anesthesia, excision and pathological examination can help determine the cause, which is usually benign in nature.

Reply Date: 2007/09/04

More Info

Fibromas, also known as dermatofibromas, are benign tumors that typically appear as small, firm nodules on the skin. They are often brownish in color and can be found on various parts of the body, including the armpits and neck, as you mentioned. While they are generally harmless, it is understandable to be concerned, especially if you notice changes in size or appearance.

When to See a Doctor
You should consider seeing a dermatologist, a medical professional specializing in skin conditions. A dermatologist can evaluate the fibromas and determine whether they are indeed benign or if further investigation is needed. Here are some specific reasons to seek medical advice:
1. Change in Size or Shape: If you notice that the fibromas are growing or changing in shape, it’s important to have them assessed.

2. Color Changes: Any changes in color, especially if they become darker or develop irregular borders, should be evaluated.

3. Symptoms: If the fibromas become painful, itchy, or start bleeding, these are signs that warrant a medical evaluation.

4. Cosmetic Concerns: If the appearance of the fibromas is bothersome to you, a dermatologist can discuss removal options.

Causes of Fibromas
The exact cause of fibromas is not well understood, but several factors may contribute to their development:
1. Genetics: There may be a hereditary component, as some individuals are more prone to developing fibromas than others.

2. Skin Trauma: Fibromas can sometimes develop in areas of the skin that have experienced trauma or injury, although this is not always the case.

3. Hormonal Factors: Some studies suggest that hormonal changes may play a role in the development of fibromas, particularly in women.

4. Age: Fibromas are more commonly found in adults, particularly those between the ages of 20 and 50.

Diagnosis and Treatment
A dermatologist will typically perform a physical examination of the fibromas. In some cases, a biopsy may be necessary to rule out other conditions, especially if there are atypical features.
If the fibromas are confirmed to be benign and not causing any symptoms, treatment may not be necessary. However, if you wish to have them removed for cosmetic reasons or if they are symptomatic, several options are available:
1. Surgical Excision: This is the most common method for removing fibromas. The dermatologist will cut out the fibroma and stitch the skin back together.

2. Cryotherapy: This involves freezing the fibroma with liquid nitrogen, which can cause it to fall off.

3. Laser Therapy: Lasers can be used to remove or reduce the appearance of fibromas.

Conclusion
In summary, while fibromas are generally benign and not a cause for alarm, any changes in size, shape, or symptoms should prompt a visit to a dermatologist. They can provide a thorough evaluation and discuss potential treatment options if necessary. Understanding the nature of these growths can help alleviate concerns and guide you in making informed decisions about your health. If you have any further questions or concerns, don’t hesitate to reach out to a healthcare professional.

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