Erythema ab igne https://en.wikipedia.org/wiki/Erythema_ab_igne
Erythema ab igne est conditio cutis ex diuturna expositione ad calorem (radiatio infrarara) causata. Radiatio radialis nuditas cutis prolongata potest ducere ad evolutionem erythema reticulatum, hyperpigmentationem, squamae et telangiectasias in area affectata. Nonnulli queruntur de scabie levis et sensu urente.

Diversi fontes caloris hanc condicionem efficere possunt, ut:
- Repetita applicatio utres aquae calidae, calefactiones vel pads cutanei ad longos dolores curandos.
- Repetita detectio sedum calefactarum, spatium calidi, seu focorum. Repetita vel diuturna exposiō caloris est communis causa apud homines senes.
- Casus occupationales argentariorum et auricularium (facies calori expositae), pistores et obsonatores (arma, vultus);
- Computatrum laptop in femore reclinatum (erythema ab igne computatrum laptop effecerunt).

Informationes plurimae ― Latine
References Erythema Ab Igne 30855838 
NIH
Erythema ab igne est conditio, quae saepe ex expositione ad calorem vel radiationem infrarubrum oritur. Saepe occurrit a laboribus vel matrachiis calefaciendis. Principium curandi caloris praecipuum est tollere. Tempus decidere potest, sed potest relinquere hyperpigmentationem permanentem vel cicatricem. Therapiae, ut tretinoin et hydroquinone, cum hyperpigmentatione persistente adiuvare possunt.
Erythema ab igne is a rash characterized by a reticulated pattern of erythema and hyperpigmentation. It is caused by repeated exposure to direct heat or infrared radiation, often from occupational exposure or the use of heating pads. The primary treatment of this disease entity is the removal of the offending heat source. The resulting abnormal pigmentation of affected areas may resolve over months to years; however, permanent hyperpigmentation or scarring may persist. Treatments for hyperpigmentation, such as topical tretinoin or hydroquinone, can be useful in treating persistent hyperpigmentation.