IL10 and chronic recurrent multifocal osteomyelitis: Since CRMO is an inflammatory disorder and provided the fact that cells other than monocytes (e.g., lymphocytes, neutrophils, dendritic cells, eosinophils, etc., but also epithelia, stroma cells, etc.)express IL-10, serum IL-10 does not necessarily reflect gene expression from monocytes (27, 28).