what is adnexal mass and pain
A Honor Society of Nursing (STTI) answered. An adnexal mass is a lump in tissue near the uterus, usually in the ovary or fallopian tube. Adnexal masses include ovarian cysts, ectopic (tubal) pregnancies, and benign (not cancer) or malignant (cancer) tumors.This answer is based on source information from the National Cancer Institute.n adnexal mass is a catch all phrase for any abnormality in the pelvic area outside of the uterus. The most common adnexal masses are ovarian cysts.