This new series for surgical pathologists presents 'current concepts' in pathology diagnosis, key features, differential diagnosis, overview, pitfalls, and molecular approaches for every disease entity and body region. This publication on gynecologic mesenchymal tumors includes Radiologic evaluation of mesenchymal tumors; Mesenchymal tumors of the lower genital tract; Smooth muscle tumors of the vulva, uterus and ovary; Endometrial/oid stromal tumors and uterine tumors resembling sex cord stromal tumors; Mixed mullerian tumors; Uncommon mesenchymal tumors; Immunohistochemistry; Cytogenetics; Molecular genetics and gene profiling; and, Treatment of mesenchymal tumors.