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Erythema ab igne caused by a car heater
T N Helm1, G T Spigel, K F Helm
1Department of Dermatology, Buffalo Medical Group, Williamsville, New York 14221, USA.
Cutis
|February 1, 1997
Summary
Erythema ab igne, a skin condition from heat exposure, is now linked to new sources like car heaters. Doctors need to consider these evolving causes when diagnosing patients.
Area of Science:
- Dermatology
- Environmental Health
Background:
- Erythema ab igne is a skin condition characterized by a reticulated erythematous and hyperpigmented rash.
- Historically, it resulted from chronic exposure to low-level heat, commonly affecting the shins.
Observation:
- The incidence of classic erythema ab igne has declined due to widespread climate control.
- Emerging causes include heat sources like therapeutic chairs and, in this case, car heaters.
- A patient presented with erythema ab igne resulting from prolonged leg contact with a car heater.
Findings:
- This case highlights a novel cause of erythema ab igne linked to personal vehicle heating systems.
- The presentation demonstrates the adaptability of the condition to modern heat sources.
Implications:
- Medical practitioners should broaden their differential diagnoses for erythema ab igne.
- Awareness of evolving heat sources is crucial for obtaining accurate patient histories and providing timely treatment.
- This underscores the importance of considering environmental and occupational exposures in dermatological conditions.