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Creation of a scoring system to determine endometrial cancer risk using the International Endometrial Tumor Analysis (IETA) features.


Sharon Joyce P. Mendoza,
Nephtali M. Gorgonio

Related Institution

Department of Obstetrics and Gynecology - Cardinal Santos Medical Center

Publication Information

Publication Type
Publication Sub Type
Journal Article, Original
Philippine Journal of Obstetrics and Gynecology
Publication Date
July-August 2017


GENERAL OBJECTIVE: To determine endometrial cancer risk among patients with abnormal uterine bleeding based on the International Endometrial Tumor Analysis (IETA) features.
SPECIFIC OBJECTIVES: 1. To described the profile of patients with AUB suspected of having endometrial pathology; 2. To describe sonologic features of patients with AUB suspected of endometrial cancer using IETA features; and 3. To determine the association of a scoring system and endometrial cancer risk.
METHODS: We prospectively studied 542 participants who came in the CWCU of CSMC with a diagnosis of AUB from July 1, 2016 to December 31, 2016. We excluded patients with endometrial thickness of less than 4 mm on gray-scale sonography, those with technical difficulties in assessing the endometrium such as in cases of very large myomas, absence of histopathological diagnosis, and those whose sampling was done as an office procedure. A total of 98 participants were included, 89 (90.8%) had benign pathologies and 9 (9.2%) were malignant. Patient characteristics including, age, gravidity, BMI, medical history, and endometrial assessment using IETA were tabulated with each characteristic given a score of 0-3 depending on the degree of risk factor. Percentages, Pearson Chi-square Test with corresponding P-value and ROC curve analysis were performed.
RESULTS: The best predictors for endometrial cancer were age more than 50 years, nulligravid, BMI of more than 25, and presence of hypertension and diabetes mellitus. Sonographic features based on IETA showed an endometrial thickness of more than 20mm, irregular endometrial-myometrial junction, heterogenous endometrium, presence of multiple and large vessels on doppler analysis, contributed to endometrial cancer risk. These variables were used to create a scoring system with an area under the curve of 0.974 giving the best cut-off value of more than or equal to 9, with 100% sensitivity and 89% specificity.
CONCLUSION: Among patients with abnormal uterine bleeding and endometrial thickness of more than 4mm, we can predict the risk for endometrial cancer and aid the clinician in decision making on who may be managed conservatively or aggressively based on the value obtained from the scoring system. The study, however, needs to be validated prior to use in clinical practice.

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Philippine Council for Health Research and Development Library Box No. 52-A Fulltext pdf (Request Document)
Philippine Council for Health and Research Development Fulltext Print Format

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