Background: Mature cystic teratoma of the ovary is one of the most common benign ovarian tumors, which may be confused with other adnexal lesions due to its extensive manifestations on ultrasound. Therefore, in this study, we tried to reduce the need for pathology frozen sections by examining more accurate preoperative ultrasound results and classifying ovarian lesions based on them.
Methods: In this study, 200 female patients with a definitive diagnosis of mature cystic teratoma of the ovary who have undergone surgery at Ayatollah Rouhani Hospital, February 2009 March 2019 were evaluated. After reviewing the files, demographic information, Ultrasound, intraoperative findings and final pathology were extracted and finally, the data were analyzed using statistical tests.
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Results: The age range of patients who were diagnosed with mature cystic teratoma of the ovary in the final pathology was 14-71 years. Most cysts were 5-10 cm in size. 86% of patients had unilateral right-sided ovarian involvement. The most common components of this cyst in the macroscopic report were hair (81%) and fat (80%). The diagnostic value of ultrasound for the diagnosis of mature teratoma of the ovary was 74.5%. The frozen section was used to diagnose and rule out the malignancy in 32.5% of patients.
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Conclusion: The results of this study show that the prevalence of these tumors is higher in the reproductive age range. According to this study, these tumors have been seen in single people and pregnant women, Due to youth and fertility in the future, a good decision must be made about the surgical method. These tumors have a wide range of sizes. In addition, their most common complaint is abdominal pain, but it has been reported extensively in periodic ultrasounds for infertility. The diagnostic value of ultrasound for mature ovarian teratoma was high due to the presence of fat and hair in them. Therefore, the use of the frozen section (intraoperative pathology) can be reduced in more often unnecessary in cases.
