The present study was conducted to determine the agreement between the findings of multi-slice CT scan and surgical findings in the diagnosis and detection of metastases of malignant ovarian tumors to the peritoneum and intra-abdominal organs. In this cross-sectional study, 115 women with ovarian cancer who were hospitalized and underwent surgery in Al-Zahra Hospital during 1396 and 1397, underwent multi-slice CT scan of the abdomen and pelvis before the operation, and the presence of metastases in these areas was investigated; then the comparison of these results with the findings of the operation indicated the amount of agreement between the two methods, which was determined by the Kappa agreement test. According to the finding of the surgery, 96 patients (83.5%) and according to the findings of multi-slice CT scan, 94 patients (81.7%), had metastasis in adjacent tissues. Five patients (4.3%) had metastases in the surgical findings, but the result of CT scan was a negative. Also in 3 patients (2.6%), the presence of metastasis was negative in the surgical findings but the result of CT scan was positive. According to the Kappa agreement test, a significant agreement with the amount of 0.76 was observed between the findings of the surgery and the CT scan results. The results of this study showed that there is a favorable agreement between the findings of surgery and multi-slice CT scan in the diagnosis of metastasis of malignant ovarian tumors to abdominal and pelvic areas, However, due to the limitations of multi-slice CT scan in the diagnosis of metastases of malignant ovarian tumor to the abdomen and pelvis, including being dependent on the size and location of the tumor, the use of this diagnostic method may be helpful in cases where surgery is not possible and may be useful in determining surgical indication.
Key words: Multi-slice CT scan, Metastasis, Ovarian cancer.
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