Keratolytic winter erythema

Last Updated: 2023-07-07

Author(s): Anzengruber F., Navarini A.

ICD11: EC20.30

Findley 1977

Occurrence of palmoplantar hyperkeratotic erythema on exposure to cold.

Hyperkeratotic erythema palmoplantar. In some cases, the lower extremity may also be affected.



Genetic testing is not indicated because the mutation has not yet been identified with certainty.

  1. Dereure O. Familial keratolytic winter erythema: A cathepsin at the controls. Ann Dermatol Venereol. 2017 Jul 27. 
  2. Ngcungcu T, Oti M, Sitek JC, Haukanes BI, Linghu B, Bruccoleri R, Stokowy T, Oakeley EJ, Yang F, Zhu J, Sultan M, Schalkwijk J, van Vlijmen-Willems IMJJ, von der Lippe C, Brunner HG, Ersland KM, Grayson W, Buechmann-Moller S, Sundnes O, Nirmala N, Morgan TM, van Bokhoven H, Steen VM, Hull PR, Szustakowski J, Staedtler F, Zhou H, Fiskerstrand T, Ramsay M. Duplicated Enhancer Region Increases Expression of CTSB and Segregates with Keratolytic Winter Erythema in South African and Norwegian Families. Am J Hum Genet. 2017 May 4;100(5):737-750. 
  3. Hull PR, Hobbs A, Aron S, Ramsay M. The elusive gene for keratolytic winter erythema. S Afr Med J. 2013 Oct 11;103(12 Suppl 1):961-5.