Table 1. Cases of laptop-induced erythema ab igne [1-4, 9, 14-22]
Case |
Age (y) Race Sex |
Duration of exposure |
Clinical Appearance |
Reference |
1 |
12/C/F |
11 months |
Extensive violaceous marks on the dorsal surface of both thighs, more intense on the right |
[14] |
2 |
17/ NR/F |
1 year |
Patchy, reticulated mildly erythematous to brownish lesions on the front of thighs, more pronounced on left |
[21] |
3 |
18/C/F |
NR |
8x6 cm area of reticulated, browning, macular pigmentation on the left breast |
[16] |
4 |
20/C/F |
2 months |
Asymptomatic pigmentation in a net-like distribution on the thighs bilaterally |
[1] |
5 |
21/AA/F |
2 years |
Hyperpigmented, reticulated lesions on lower legs more pronounced on the left. The lesions corresponded to the underside and border of her laptop computer |
CR |
6 |
25/C/F |
6 months |
Asymptomatic, reticular pigmentation on the thighs, more pronounced on the left |
[17] |
7 |
26/SA/F |
2 months |
Large, asymptomatic patch of reticulated hyperpigmentation on right anterior thigh |
[20] |
8 |
40/C/F |
NR |
Asymptomatic, reddish-brown, reticulated eruption |
[19] |
9 |
48/C/F |
NR |
Patchy, reticulate pigmentation on thighs with increased pigmentation on the right |
[4] |
10 |
9/C/M |
NR |
Reticular hyperpigmentation on left thigh |
[18] |
11 |
12/C/M |
Several months |
Reticulate pigmented macular dermatosis with telangiectasia on the left thigh |
[9] |
12 |
15/C/M |
Several months |
Livedo reticularis-like eruption on both thighs, more pronounced on the left |
[22] |
13 |
21/C/M |
3 months |
Reticulated, dark reddish-brown pigmented patch with undefined border on left thigh |
[15] |
14 |
26/C/M |
NR |
Reticular and brown pigmentation on anterior aspect of right thigh |
[2] |
15 |
50C/M |
2 weeks |
Well-defined, brown, mildly erythematous, reticulated patch on the anterior left thigh |
[3] |
AA = African American; C = Caucasian; CR = Current Report; F = female; M = male; NR = not reported; SA = South Asian American.