Synchronous gynecological malignancies are rarely encountered, with a growing tide to recognize these primary tumors. However, the most observed synchronous gynecological malignancies remain ovarian and endometrial cancer. This case report presents a 35-year-old female who presented to her gynecologist with lower back pain and dysuria. Transvaginal ultrasound demonstrated a 3-4 cm irregular mass in the cervix and lower uterine segment. Pathology from cold knife conization and endometrial curetting showed serous adenocarcinoma with probable lymphovascular invasion. The patient underwent a positron emission tomography scan that demonstrated an abnormal-appearing cervix, a small number of ascites, peritoneal carcinomatosis, and abnormal left adnexa. Eighteen days later, the patient underwent exploratory laparotomy with total abdominal hysterectomy, bilateral salpingo-oophorectomy, omentectomy, lymphadenectomy, and bowel resection. Surgical histopathological findings confirmed the presence of two primary malignant tumors, namely, cervical adenosquamous carcinoma and bilateral ovarian high-grade serous carcinoma, with extensive metastatic lesions. Although synchronous ovarian and cervical cancer is rarely encountered, patients might benefit from early identification and subsequent debulking surgery with curative intent, as well as adding an immune checkpoint inhibitor in case it is positive on checking as it might improve long-term outcomes.
Keywords: cancer immunotherapy; cervical adenosquamos carcinoma; cervical cancer screening; serous ovarian adenocarcinoma; synchronous malignancies.
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