In the CyTOF cohort, the MMD group displayed increased expression levels of CD14, CXCR3, CX3CR1, CD45RA, CD45RO, CD11b, CD11c, CD25, CD27, CD62L, HLA‐DR and p‐STAT3 in comparison to the HC group. The gene discussed is CD27; the disease is multiminicore myopathy.