(Histiocytoma; Benign Fibrous Histiocytoma)
|Layers of the Skin|
|In dermatofibroma, the overgrowth occurs in dermis layer of the skin.|
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- Sex: women are more likely to develop this condition than men.
- Age: adults (dermatofibromas are rarely found in children)
Usually reddish-brown in color
- Are darker in individuals with darker skin
- May change color over time
- Found most often on the legs, but may also appear on the arms or torso of the body
- Small in size (3-10 millimeters)
- Very firm to touch
- Sometimes itchy or sensitive when touched
- Raised from the skin and may bleed if damaged (eg, a dermatofibroma can bleed if you shave over it)
American Academy of Dermatology http://www.aad.org/for-the-public/home
British Association of Dermatologists http://www.bad.org.uk
Canadian Dermatology Association http://www.dermatology.ca/
Dermatofibroma. British Association of Dermatologists website. Available at: http://www.bad.org.uk/site/809/default.aspx . Accessed November 16, 2012.
Dermatofibroma. New Zealand Dermatological Society website. Available at: http://dermnetnz.org/lesions/dermatofibroma.html . Accessed November 16, 2012.
Prieto VG, Reed JA, Shea CR. Immunohistochemistry of dermatofibromas and benign fibrous histiocytomas. J Cutan Pathol . 1995;22(4):336-341.
- Reviewer: Brian Randall, MD
- Review Date: 11/2012
- Update Date: 11/26/2012