The term ankylosing spondylitis is identified in base64 scheme by the sequence YW5reWxvc2luZyBzcG9uZHlsaXRpcw==, while the MD5 signature is equal to a1bf6e7f310f8a22afffea66d36f5002. The ASCII encoding of ankylosing spondylitis in hexadecimal notation is 616e6b796c6f73696e672073706f6e64796c69746973.