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Two Episodes of Axillary Granular Parakeratosis Triggered by Different Causes: Case Report

Francisco Urbina ; Algeciras 583, Las Condes Santiago de Chile Chile
Emilio Sudy ; Algeciras 583, Las Condes Santiago de Chile Chile
Carlos Misad ; Department of Pathology, Faculty of Medicine Occidente, University of Chile, Santiago de Chile, Chile

Puni tekst nije dostupan.

Granular parakeratosis is an acquired disorder of keratinization
characterized by keratotic papules and plaques located in the intertriginous
areas. Its etiology is unknown. Some cases have been related to the application
of deodorants and antiperspirants, local irritation or increased sweating;
in other cases no precipitant factors have been found. We report a case of axillary
granular parakeratosis in an adult male in whom the lesions appeared
twice under different circumstances: the first time the lesions appeared after
local irritation produced by an antiperspirant and/or the use of a paste containing
zinc oxide; two years later, an identical eruption reappeared in both
axillae, while using his habitual deodorant and without a preceding irritation
of the zone; only excessive sweating was mentioned this time after a weight
gain of 20 kg. On both occasions, the lesions disappeared completely a few
days after using topical calcipotriol. A constitutional factor may predispose
the development of granular parakeratosis, which must be considered a reaction
pattern that can be induced by multiple different causes.

Ključne riječi
axilla; calcipotriol; keratinizing disorders; parakeratosis

Hrčak ID: 89099


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