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Abstract
Synchronous multiple tumors of female genital tract are relatively rare comprising only 1–6% of genital neoplasms. This is a case report of a 62 year old woman with a double primary carcinoma of the endometrium and fallopian tube and is the first reported case in our institution. Fallopian tube is an uncommon tumor accounting for 0.14–1.8% of female genital malignancies. Endometrial cancer is one of the most common gynecologic malignancies. In the Philippines, endometrial cancer ranks 11th in the most common cancer with 4,048 newly diagnosed cases in 2018 alone. To be able to distinguished it from a metastatic one, criteria should be fulfilled. It includes conditions such that every tumor must be malignant. The pathological type of each tumor must be different and metastases from the primary tumor must be excluded. In our case, the patient’s malignancy occurred in the uterus and left fallopian tube. The pathological types are significantly different from each other and all tumors were diagnosed at the same time, consistent with the diagnostic criteria for multiple primary malignant tumors. Herein, we present a case of a woman with a concurrent simultaneous endometrial and fallopian tubal carcinoma with different histopathological characteristics. Final pathology result was reported as synchronous stage IB, well differentiated, endometrioid adenocarcinoma of the uterus, stage IA clear cell carcinoma, left fallopian tube. At present, the diagnosis of double primary malignancies mainly depends on clinical findings and histopathology. Criteria’s were also set to define between and synchronous and metastatic tumor.
