CCL17 and myeloid sarcoma: Unlike MS, elevated neutrophil chemokines (CXCL7) and Th2 cell chemokines (CCL1, CCL22, and CCL17) were also found in the CSF of acute disseminated encephalomyelitis (ADEM), another inflammatory demyelinating disease, helping to differentiate ADEM from MS (Franciotta et al., 2006).