Metastatic Carcinoma of Endometrium from Primary Ovarian Serous Carcinoma Mimicking a Primary Uterine Tumour.

A 44-year female was admitted to the hospital, complaining of vaginal bleeding. Ultrasound imaging revealed two masses in the pelvic cavity, measuring 6.6 x 3.4 x 1.8 cm and 8.2 x 4.7 x 3.7 cm in size. After surgical debulking of the tumours, the patient underwent abdominal hysterectomy, bilateral salpingo-oophorectomy, pelvic disease dissection, appendicectomy, omentectomy, and pelvic lymph node dissection. Histological and immunochemical examinations confirmed the diagnosis of serous carcinomas in both ovaries involving the right tubal fimbria, the omentum, pelvic nodules, and the endometrium. Ovarian serous carcinoma spreading to the endometrium is a rare phenomenon and may mimick a primary uterine serous cercinoma. Although difficult, it is important to distinguish concomitant independent primary tumours from metastases because the most appropriate management strategy and prognosis differs in both.