In this study by Alaeddini et al., 7 out of 9 Acin showed an epithelial CD138 expression in >10% of the tumor cells, whereas 11 out of 30 ACC, and 7 out of 30 MuEp expressed CD138 in >10% of the tumor cells [25]. This evidence concerns the gene SDC1 and adrenal cortex carcinoma.