A Case of Synchronous Primary Tumors of the Left Ovary and Uterus

BACKGROUND Synchronous tumors occur when 2 separate primary tumors are diagnosed within 6 months. They can originate from the same site or different locations. For example, synchronous primary tumors of uterine and ovarian origin are a common type. Diagnosis can be challenging, however is critical to determine whether a patient has multiple primary tumors or a single tumor with metastasis to guide effective treatment. Compared with endometrial cancer that has spread to the ovary, synchronous primary tumors of the uterus and ovaries typically require less aggressive treatment. CASE REPORT A 45-year-old woman with nonspecific symptoms of headache and confusion had imaging studies that revealed a neoplasm in her brain, which was likely causing her symptoms. The masses were metastatic lesions, and the primary cancer was determined to be synchronous endometrial ovarian cancer (SEOC). She underwent bilateral frontal craniotomy for tumor resection and diagnostic tests. She had an exploratory laparotomy, total abdominal hysterectomy, bilateral salpingo-oophorectomy, and omentectomy. She was stable during hospitalization but lost to follow-up after discharge. CONCLUSIONS Regular gynecologic examinations, including bimanual palpation of the ovaries during cervical cancer screenings, are essential for detecting cancer early and improving chances of recovery. This case also highlights the indolent growth and high risk of metastasis associated with SEOC. Although this type of cancer is rare, patients with it can be at increased risk of developing metastatic lesions in other parts of their bodies. To manage synchronous tumors effectively, a multidisciplinary approach and close collaboration between medical professionals are necessary to ensure best patient outcomes.