Actinic keratosis


actinic keratosis: A precancerous lesion of the skin composed of atypical keratinocytes. It is characterized by the presence of thick, scaly patches of skin. Several histologic variants have been described, including atrophic, acantholytic, and hyperkeratotic variants.

Data source
FinnGen phenocode L12_ACTINKERA
Hospital Discharge registry ICD-10: L570, ICD-9: 7020A, ICD-8: 70200
Cause of Death registry ICD-10: L570, ICD-9: 7020A, ICD-8: 70200
Level in the ICD-hierarchy 4
First defined in version DF2
DOID 8866
GWAS catalog 0002496
MESH D055623
SNOMED CT 398838000

Key figures

Sex All Female Male
Number of individuals 3471 1888 1583
Unadjusted prevalence (%) 1.99 1.9 2.11
Mean age at first event (years) 70.67 70.21 71.23
Case fatality at 5-years (%) 5.76 5.4 6.19

Longitudinal metrics

Sex All Female Male
Median nb. of events per indiv. 2 2 2
Recurrence at 6 months (%) 44.54 40.57 49.27


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