Transvaginal Ultrasound and Photoacoustic Imaging of Ovary

Inclusion Criteria for Primary and Secondary Outcome Measures * All patients, 18 years or older, referred to the Washington University School of Medicine for conditions necessitating surgery to include at least a unilateral oophorectomy. * Willingness to participate in the study and able to provide informed consent. Inclusion Criteria for Exploratory Outcome Measures * At least 18 years of age * Referred to the Washington University School of Medicine for conditions necessitating surgery to include at least a unilateral oophorectomy, an ovarian cystectomy, or a unilateral or bilateral salpingectomy . * Willing to be followed for one to 4.5 years prior to making the decision to undergo prophylactic oophorectomy. * Documented deleterious mutation in one of the following ovarian cancer genes: BRCA1, BRCA2, BRIP1, PALB2, RAD51C, RAD51D, BARD1, MSH2, MSH6, MLH1, PMS2, or EPCAM. Exclusion Criteria: * Male * Younger than 18 years of age