Squamous cell carcinoma in MCT of ovary is a rarity. It carries a poor prognosis, especially in advanced stages and suboptimally cytoreduced patients. Platinum with or without taxane based chemotherapy may be useful as adjuvant treatment. However, further studies and standardization of treatment protocols are required for any recommendations.

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Objective:Ovarian adenosarcoma is a very rare tumour for which treatment options vary. We will consider the option of optimal cytoreductive surgery followed by adjuvant chemotherapy consisting of ifosamide (mesna) and adriamycin to prevent systemic metastasis, and will observe the role of serial CA-125 levels as a follow-up marker.Case report:We report a case of ovarian adenosarcoma in a 38-year-old woman presenting with abdominal pain, distention due to massive ascites. She had undergone total abdominal hysterectomy 8 months previously for abnormal uterine bleeding. She underwent paracentesis followed by optimal cytoreductive surgery. A post-operative histopathologic diagnosis of primary adenosarcoma was confirmed. She was assigned a stage III C cancer. She received five cycles of ifosamise (mesna) and adriamycin and is on follow-up with serial CA-125 levels. There is no evidence of recurrence clinically, biochemically, or radiologically for more than 12 months.Conclusion:Multimodality treatment comprising optimal cytoreductive surgery followed by ifosamide (mesna) and adriamycin-based chemotherapy may be an option for treatment of these aggressive tumours. Follow-up with serial CA-125 values in advanced stage adenosarcoma of the ovary is a novel observation which needs to be researched.