The term actinic keratosis is identified in base64 scheme by the sequence YWN0aW5pYyBrZXJhdG9zaXM=, while the MD5 signature is equal to 2a3fa2c6f459f09b11f6b603c621103d. The ASCII encoding of actinic keratosis in hexadecimal notation is 616374696e6963206b657261746f736973.