Dermatofibroma: Causes and Natural Treatment
- On 17/11/2025
What is a dermatofibroma?
Dermatofibromas are small, compact nodules that typically appear on the skin. They often have a reddish-brown color and their size can fluctuate, typically ranging from a few millimeters to a centimeter in diameter. These injuries are characterized by the presence of fibrous tissue and can be perceived as solid bumps under the skin.
Causes of dermatofibroma
Local trauma: A small injury, an insect bite, or a cut can trigger a repair reaction in the dermis, leading to the formation of a dermatofibroma.
Inflammatory reaction: Dermatofibroma can result from an excessive response to local inflammation, for example after a skin infection or chronic irritation.
Individual predisposition: Some people seem more likely to develop dermatofibromas, suggesting a genetic or immunological basis.
Role of the immune system: Dermatofibromas are sometimes more common in people who are immunocompromised or have immune disorders.
Hormonal factors: More common in women than in men, which suggests that female hormones could play a role.
Characteristic symptoms:
- Firm and subcutaneous nodule: small hard bump under the skin, often 0.5 to 1 cm, but can be a bit larger.
- Variable color: brown, reddish, pink, gray, or sometimes slightly purple.
- Surface lisse ou légèrement rugueuse.
- Frequent location: mostly on the legs, but also on the arms, torso, or shoulders.
- Fitzpatrick's sign: by pinching the skin around the lesion, the center of the nodule slightly sinks in – a typical diagnostic sign.
- Pain or itching: generally painless, but can sometimes be sensitive, especially with friction or pressure.
- Stability: The size and appearance of the dermatofibroma change little over time, although the color may darken or lighten slightly.
Dermatofibroma and melanoma
A common concern among people with dermatofibromas is distinguishing them from melanoma, a type of skin cancer. While dermatofibromas are benign, melanomas are malignant and require immediate attention. The main differences are as follows:
- Color and shape: Dermatofibromas are generally uniformly colored and symmetrical, while melanomas can have uneven coloration and irregular edges.
- Growth rate: Melanomas tend to develop rapidly, while dermatofibromas remain stable over time.
- Dimple sign: The dimple sign is characteristic of dermatofibromas but not melanomas.
Despite these differences, any new or changing skin lesion should be evaluated by a healthcare professional to rule out melanoma or other skin conditions.
Dermatofibroma diagnostics
Clinical examination
The doctor observes:
- The shape (rounded or oval nodule, firm to the touch)
- The color (brown, pink, or reddish)
- The location (often on the lower limbs)
- Fitzpatrick's sign: when pinching the skin, the center of the nodule sinks.
Dermatoscopy
- Use of a dermatoscope (magnifying glass with light).
- Allows for the observation of specific patterns, such as central whitish areas, sometimes surrounded by pigment.
Skin biopsy (rarely necessary)
Not systematic.
- Performed in case of doubt to rule out other diagnoses (e.g., melanoma, cyst).
- Confirms the presence of fibroblasts and collagen fibers in the dermis.
Differential diagnoses
He is sometimes confused with:
- Epidermal cyst
- Melanoma (when it is pigmented)
- Cutaneous leiomyoma
- Granuloma annulare
- Neurofibroma
Treatment options for dermatofibroma
Dermatofibromas generally do not require treatment unless they cause discomfort or esthetic issues. However, several options are available for those who wish to eliminate or reduce the appearance of these lesions:
Surgical ablation
Surgical removal is the most definitive treatment for dermatofibromas. This procedure involves excising the lesion under local anesthesia. Although effective, surgical removal can lead to scarring.
cryotherapy
cryotherapy The method involves freezing the dermatofibroma with liquid nitrogen, which causes it to shrink and fall off. This method is less invasive than surgery, but may require multiple sessions and can lead to skin discoloration.
Laser Therapy
Laser treatment can be used to reduce the pigmentation of a dermatofibroma, thereby improving its esthetic appearance. This option is non-invasive and generally requires several sessions for optimal results.
Topical treatments
Although less common, topical treatments containing retinoids or other active ingredients can be used to flatten dermatofibromas or reduce their pigmentation. These treatments are generally less effective than surgical options.
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Presentation of the Natural Histiocytofibroma Remedy
-Powder in a transparent bag.
-Weight: 50g
Composition of the natural histiocytofibroma remedy
Plant extract.
Active principles of natural dermatofibroma treatment
-Astringent and absorbent tannins, anti-inflammatory and anti-fibrinolytic heterosides, etc.
Price: €50
Indications of Tisane 351: Dermatofibroma Natural Remedy Histiocytofibroma
T Dermatofibrome, Histiocytofibrome
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Side effects
– bitter taste
Instructions for using Tisane 351: Dermatofibroma Natural Remedy for Histiocytofibroma
Boil one tablespoon of the powder in a liter of water for 5 minutes, let it cool, and filter. Drink half a glass, twice a day for 3 months, renewable.
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