Laptop-induced erythema ab igne

Erythema Ab Igne Successfully Treated Using 1,064-nm Q-switched Neodymium-Doped Yttrium Aluminum Garnet Laser with Low Fluence

“…It is occasionally seen on localized areas of the body repeatedly exposed to various heat sources currently in use, such as electronic heaters, car heaters, and stoves. There are also some reports of cases of erythema ab igne developed on the thighs after the use of a laptop computer 4 . Erythema ab igne can clinically resemble livedo reticularis, poikiloderma, and port‐wine stain.…”

Erythema ab igne as a differential diagnosis of chronic graft versus host disease (GVHD)

“…The frequency of classical erythema ab igne is now decreasing in modern societies because of the increased use of central heating systems. Modern manifestations of the condition have been seen on the anterior thighs of people who use laptop computers and on the abdomens of people who use sauna belts 3 …”

“…Modern manifestations of the condition have been seen on the anterior thighs of people who use laptop computers and on the abdomens of people who use sauna belts. 3 Differential diagnoses for erythema ab igne include livedo reticularis and cutis marmorata, 4 but GVHD should also be considered. Atrophy, hyperpigmentation, and erythema are features commonly seen in erythema ab igne and chronic GVHD.…”

Erythema ab igne caused by laptop computer gaming – a case report

“…1,2 There have been few reports of laptop use and erythema ab igne in past literature. [3][4][5][6][7][8][9][10][11][12][13] The previous reports of laptop-induced erythema ab igne show similar findings of a lesion on one leg. It was often associated with the location of concentrated infrared radiation at the bottom of the laptop, which can be on either the left or right side depending on the laptop.On histology, there is epidermal thinning and flattening of the dermoepidermal junction with vacuolar change in the basal cell layer.…”