MADRID (EGMN) - The discovery of a new virus that appears to play a causative role in most cases of Merkel cell carcinoma has brought a new sense of optimism regarding this most aggressive of all cutaneous neoplasms. "The discovery of the Merkel cell polyomavirus could be a major breakthrough. It could hopefully lead to new, more successful treatments," Dr. Ingrid Wolf said at the 13th World Congress on Cancers of the Skin. Among the therapeutic possibilities opened up by the discovery of the new...