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Erythema ab igne

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Erythema ab igne is a reticular, reddish discoloration of the skin caused by repetitive, prolonged heat exposure.

Classically it was caused by sitting near radiators or using hot water bottles against skin to relieve pain.  In modern times laptop computers have been a cause.

Note the similarity in appearance to livedo reticularis.


References:
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Sarah Hudson

Secret collector of interesting anonymised ECGs. Fan of the Bath Photomarathon. Lover of cream teas.

Secret collector of interesting anonymised ECGs. Fan of the Bath Photomarathon. Lover of cream teas. [Sarah Hudson] (Your Picture)