Dermatofibroma

Question 1

Dermatofibroma

Answer 1

• also called histiocytoma
• common benign fibrous skin lesions
• caused by abnormal growth of dermal dendritic histioyte cells
• often following skin injury

Question 2

Features of dermatofibromas

Answer 2

• common areas include arms and legs
• solitary firm papule or nodule
• 5-10mm
• overlying skin dimples on pinching lesion (see image)