Sclerosing polycystic adenosis (SPA) is usually a rare condition of salivary glands. proliferative index (Ki-67) is usually low (1C2?%) in the benign (acinar and ductal) components. Using HUMARA methodology (non-random inactivation of X-chromosomes), Velcade supplier six cases with atypical epithelial proliferations have been shown to be clonal processes. Recurrences have been reported in up to… Continue reading Sclerosing polycystic adenosis (SPA) is usually a rare condition of salivary