Scalp mass, 33M. Just a nice example of soft tissue Rosai-Dorfman disease. I think this low power “pale->pink->blue” look is a good low power clue. In addition to S100 protein, Karen Rech’s group here at Mayo have shown OCT2 to be valuable in this dx. pubmed.ncbi.nlm.nih.gov/33177341/
Scalp mass, 33M. Just a nice example of soft tissue Rosai-Dorfman disease. I think this low power “pale->pink->blue” look is a good low power clue. In addition to S100 protein, Karen Rech’s group here at Mayo have shown OCT2 to be valuable in this dx. pubmed.ncbi.nlm.nih.gov/33177341/