The distinction between dermatofibroma, particularly cellular variant, and dermatofibrosarcoma protuberans in excisional biopsies is usually straightforward. However, a separation between the two may ...

Dermatofibromas are small, harmless growths that appear on the skin. These growths, or papules, can develop anywhere on the body, but they are most common on the arms, lower legs, and upper back.

The dermatofibroma pinch test can help tell if a skin bump is a mole or a dermatofibroma. If you're unsure about a skin ...

A dermatofibroma is a skin tumor composed of oval cells appearing similar to histiocytes or spindle cells. For this reason it is also called a common fibrous histiocytoma in the most frequently ...

A 34-year-old woman presented with long-standing severe asthma and chronic idiopathic angioedema. We found 2 lesions on her back (Figure 1, Figure 2). The lesions had occurred spontaneously 10 years ...