Table 4 Review of the literature concerning dermoscopic patterns of dermatofibromas

 Peripheral delicate pigment network and central white scarlike patch

143 (34.7%)

23 (17.7%)

31 (62%)

21 (21%)

 Total delicate pigment network

60 (14.6%)

4 (3.1%)

 Peripheral delicate pigment network and central white network

37 (9.0%)

6 (4.6%)

 Peripheral delicate pigment network and central homogeneous pigmentation

20 (4.8%)

5 (3.8%)

9 (9%)

 Total white network

9 (2.2%)

3 (2.3%)

 Total homogeneous pigmentation

20 (4.8%)

15 (11.5%)

3 (3%)

 Total white scarlike patch

23 (5.6%)

0

1 (1%)

 Multiple white scarlike patches

24 (5.8%)

5 (3.8%)

16 (16%)

 Peripheral homogeneous pigmentation and central white scarlike patch

30 (7.3%)

10 (7.7%)

2 (2%)

 Peripheral homogeneous pigmentation and central white network

21 (5.1%)

11 (8.5%)

1 (1%)

 Multicomponent melanoma-like

25 (6.1%)

38 (29.2%)

20 (20%)

 Vascular tumor-like

21 (16.2%)

 BCC-like

6 (4.6%)

 Collision tumor-like

5 (3.8%)

 Psoriasis-like

3 (2.3%)

 Globules in scarlike area

3 (2.3%)

20 (38.5%)

 Linear, irregular crypts

14 (26.9%)

 Lentigo-like pigment network

12 (23%)

12 (12%)

 Homogeneous blue-gray pigmentation

3 (5.9%)

 Erythematous homogeneous area surrounding white patch

2 (3.8%)

 Multiple scarlike structures with pigment network in a patchy distribution (atrophic)

1 (1.9%)

 Central white patch

42 (84%)

 Peripheral pigment network

36 (72%)

 Globule-like structures

22 (44%)

 Blood vessels

22 (44%)

 Central pink hue or vascular blush

5 (10%)

 Peripheral diffuse pink to red to reddish violet halo

14 (28%)

7 (7%)

 Peripheral halo of brown pigmentation

2 (4%)

Zaballos et al. [17] (6 cases)

 Blue violaceous or red bluish homogeneous area with a white linear structure in the center and a delicate light brown pigment network with a few dotted vessels at the periphery

4 Hemosiderotic dermatofibroma

 Blue yellowish homogeneous pattern with scaly surface in the center of the lesion surrounded by a yellowish homogeneous area at the periphery

1 Hemosiderotic dermatofibroma

 Red brownish homogeneous area with a delicate light brown pigment network at the periphery with branched streaks and linear irregular dilated vessels in other central areas

1 Aneurysmal dermatofibroma

 White ring around an ulceration

6 (6%)

 Pink bluish pigmentation with vascularization

Aneurysmal dermatofibroma 7 (7%)

 Pigment network with a ring around follicular openings

Hemosiderotic dermatofibroma 2 (2%)

 Discreet peripheral network and starlike white patch

3 (3%)