Hyperpigmentation caloric L81.8

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

Buschke heat melanosis; Heat contact accturticaria reticular; Heating pad disease; Heat melanosis bushke; Heat pigmentation; Heat pigmentation reticular; Hot melanosis; melanodermia reticularis calorica; Pigmentatio reticularis e calore; Reticular heat pigmentation; Thermal Pigmentation

History
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Buschke 1911

Definition
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Reticulated, marbled, brownish hyperpigmentation due to increased melanin and hemosiderin production as a result of chronic, in loco regularly or irregularly repeated exposure to heat.

The reticulated hyperpigmentation is generally preceded by a reticulated erythema (live cell pattern) (see also erythema e calore), which becomes increasingly brownish under repetitive, further application of heat.

Localization
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Different, depending on the application of the heat source (back, abdomen, thighs)

Therapy
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Waiting. Avoidance of the damaging agent (chronic exposure to heat), gradual regression over years. Bleaching agent ineffective.

Progression/forecast
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Years of persistence with gradual regression.

Literature
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  1. Youn CS et al (2005) The effects of heating and cooling on ultraviolet radiation-induced erythema and pigmentation in human skin. Photodermatol Photoimmunol Photomed 21:198-203.

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Please ask your physician for a reliable diagnosis. This website is only meant as a reference.

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Last updated on: 29.10.2020