Objective: Wolffian adnexal tumors (WATs) are rare, and metastasis is uncommon. We present the case of a 53-year-old female with a recurrent WAT.
Case Report: The patient presented with abdominal distension, and ultrasound revealed heterogeneous echoes (130 × 93 × 116 mm) around the uterus and ascites. Her cancer antigen 125 (CA125) and CA19-9 levels were elevated. Hysterectomy, bilateral oophorectomy, and tumor resection were performed. The histopathological diagnosis was a WAT. Two years later, multiple abdominal and pelvic masses were found on ultrasonography and computed tomography. Laparotomy revealed nodules in the omentum, mesentery, and pelvic peritoneum. Resection of the pelvic masses and partial resection of the omentum were performed. Immunohistochemistry revealed that the lesions were inhibin A, calretinin, estrogen receptor, progesterone receptor, cluster of differentiation 99, and Pax2 positive. Despite postoperative chemotherapy, she developed liver and renal failure 2 months after surgery, and died of the disease.
Conclusion: This case further suggests that WATs have malignant potential, and close follow-up is necessary.
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