Dermatofibroma physical examination

Physical examination of patients with dermatofibroma is usually shows a non-tender, hyperpigmented nodule with 0.3 to 1 cm in diameter which dimple sign may be positive. It can seen in any part of the body but extremities, especially legs are most common sites.

Physical examination of patients with dermatofibroma is usually shows a non-tender, hyperpigmented nodule with 0.3 to 1 cm in diameter which dimple sign may be positive. It can seen in any part of the body but extremities, especially legs are most common sites.

• Skin examination of patients with dermatofibroma may show:^{[1][2][3][4][5]}
  • Nodule with 0.3 to 1 cm in diameter
    • Note : Giant (> 5 cm) are also reported.
  • Non-tender nodule
    • Note: Manipulation can cause tenderness.
  • Hyperpigmentation
  • Dimple sign (lateral compression on the skin makes a depression)
    • Note: Dimple sign can also seen in other skin changes.
  • Puritic nodule (may happen by superinfection)

• Extremities are the most common site of dermatofibromas, especially legs.^[6][7]