Dermatofibromas frequently occur on the leg, usually as a single firm, raised pink to brown bump. Dermatofibromas are usually very firm to hard to the touch.  They are most frequent on the arms and legs but can occur anywhere. Dermatofibromas are benign, usually very firm to hard skin lesions that do not resolve over time. This image displays a dome-shaped, firm, slightly pink dermatofibroma. Dermatofibromas can be raised or sunken. Dermatofibromas are firm, smooth, and often are deeper in color than the surrounding skin.
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Dermatofibroma  Information for adults

Picture of Dermatofibroma: Dermatofibromas frequently occur on the leg, usually as a single firm, raised pink to brown bump. Divider line
Dermatofibromas frequently occur on the leg, usually as a single firm, raised pink to brown bump.
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Overview
Dermatofibromas, or histiocytomas, are common noncancerous (benign) skin growths. They are firm to hard, and they are skin-colored or slightly pigmented. Dermatofibromas can be tender. These lesions usually persist for life, and they may heal as depressed scars after several years. Occasionally, dermatofibromas found in large numbers in grouped or linear clusters are seen in association with immune disturbances, such as leukemia, HIV, and lupus.
Last Modified: 22 Dec 2008