Histopathological discrepancy and variation of surgical management in mucinous ovarian cystadenoma and pseudomyxoma peritonei

Gatot Purwoto, Tricia Dewi Anggraeni, Primariadewi Rustamadji, Ilham Utama Surya, Kelli Julianti, Nathaniel Herlambang

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Introduction and importance: Mucinous cystadenoma occurs in 10–15% of all ovarian tumors. Diagnosis and treatment should be decided precisely as it has a chance to develop into pseudomyxoma peritonei (PMP). Management of PMP might be challenging especially when repeated surgery is needed. Case presentation: The first case, a 22-year-old lady with recurrent stomach enlargement for seven months. She had history of laparotomy surgery due to an ovarian tumor. Whole abdomen contrast CT scan showed a large cyst with mucinous fluid. We decided to do re-laparotomy and found a left ovarian cyst. Histological examination results confirm ovarian mucinous cystadenoma. The second case was, 55-year-old woman, with abdominal enlargement for six months. She had a history of laparotomy and chemotherapy due to pseudomyxoma peritonei. Post chemotherapy MRI showed persistent pseudomyxoma and two multilocular cysts from both adnexa. Debulking laparotomy was then conducted. We obtained 8 L of mucinous pseudomyxoma along with mucinous cyst from both ovaries. The final diagnosis concluded as a pseudomyxoma and we decide to close the follow-up of the patient. Clinical discussion: Pseudomyxoma is caused by the production of mucin originating from intra-abdominal organs. Open surgery should be prioritized when the mucinous cystadenoma is detected to do a complete peritoneum evaluation and avoid perioperatively ruptured mucinous neoplasm. Pseudomyxoma often needed repeated surgical treatment and may exhibit different surgical findings and different pathologies. Conclusion: Repeated surgery is logical and still no need for adjuvant chemotherapy in both cases. Accurate and precise diagnosis should be prioritized in order to prevent repeated surgery.

Original languageEnglish
Article number107141
JournalInternational Journal of Surgery Case Reports
Publication statusPublished - May 2022


  • Cytoreductive surgery
  • Mucinous cystadenoma
  • Pseudomyxoma peritonei


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