Benign ovarian abnormalities are most common of ovarian neoplasms, including functional cysts and benign ovarian neoplasms which may have a different ratio of cystic and solid components. They occur more often in women of reproductive age, while the risk of malignancy increases with age. Clinical presentation can be both asymptomatic and symptomatic, while symptom intensity depends on the size and localization of the neoplasm. The World Health Organization classifies ovarian neoplasms by their histogenesis. Through anamnesis and physical examination, we are able to provide some helpful information for the diagnostics and differentiation of benign from malignant ovary neoplasms. The next step in further processing is ultrasonography. Due to the need for standardization of terminology used in the description of the ultrasound findings, the International Ovarian Tumor Analysis group has developed a list of simple rules, definitions and descriptions that help characterize ovarian formations. Based on the description of the ultrasonic finding, the patient is directed towards determining the CA 125 and other imaging methods if necessary. There are three possibilities of treatment, such as pharmacological and surgical therapy, and patience. The decision on treatment depends on well received history, diagnosis, patient age, risk factors, and clinical presentation.