pre-malignant neoplasm skin neoplasm actinic keratosis https://www.malacards.org/card/actinic_keratosis actinic keratosis MEDGEN:9627 DOID:8866 ICD9:702.19 actinic keratosis (disease) NCIT:C3148 icd11.foundation:1803982621 EFO:0002496 MONDO:0005173 solar keratosis ICD10CM:L57.0 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. actinic (solar) keratosis HP:0025127 ICD9:702.0 UMLS:C0022602 MESH:D055623 SCTID:201101007 actinic keratosis (disease)