Print Overview Female reproductive systemFemale reproductive systemThe ovaries, fallopian tubes, uterus, cervix and vagina (vaginal canal) make up the female reproductive system. Adnexal tumors are growths that form on the organs and connective tissues around the uterus. Adnexal tumors are most often noncancerous (benign), but they can be cancerous (malignant). Adnexal tumors occur in the: Ovaries Fallopian tubes Connective tissue around the ovaries or fallopian tubes Diagnosis of adnexal tumors involves a careful physical exam, imaging tests and, sometimes, surgery. Treatment for adnexal tumors depends on the specific location and types of cells involved. By Mayo Clinic Staff Adnexal tumors care at Mayo Clinic Request an Appointment at Mayo Clinic Doctors & departments Aug. 23, 2017 Print Share on: FacebookTwitter References AskMayoExpert. Adnexal mass. Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2015. Muto MG. Management of an adnexal mass. http://www.uptodate.com/home. Accessed Sept. 12, 2016. Riggin ER. Allscripts EPSi. Mayo Clinic, Rochester, Minn. July 19, 2016. Adnexal tumorsSymptoms & causesDoctors & departmentsCare at Mayo Clinic Advertisement Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. Advertising & Sponsorship Policy Opportunities Ad Choices Mayo Clinic Marketplace Check out these best-sellers and special offers on books and newsletters from Mayo Clinic. The last diet you'll ever needImprove your hearing and balanceYour guide to a healthy, happy futureStop Osteoporosis in its tracksFREE TRIAL – Mayo Clinic Health Letter CON-20212893 Patient Care & Health Information Diseases & Conditions Adnexal tumors