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.
| Name | L12_ACTINKERA |
|---|---|
| Long name | Actinic keratosis |
| 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 |
| Latin name | Keratosis actinica |
| All | Female | Male | |
|---|---|---|---|
| Number of individuals | 4817 | 2527 | 2290 |
| Unadjusted prevalence (%) | 2.22 | 2.06 | 2.43 |
| Mean age at first event (years) | 71.06 | 70.33 | 71.87 |
| Case fatality at 5-years (%) | 4.69 | 4.04 | 5.41 |
| All | Female | Male | |
|---|---|---|---|
| Median nb. of events per indiv. | 2.0 | 2.0 | 2.0 |
| Recurrence at 6 months (%) | 43.33 | 39.57 | 47.47 |
before Actinic keratosis
after Actinic keratosis
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