Laparoscopic excision of primary retroperitoneal mucinous cystadenoma and malignant predicting factors derived from literature review

초록

INTRODUCTION: Primary retroperitoneal mucinous cystic neoplasm is very rare and its histogenesis is unclear. PRESENTATION OF CASE: This paper presents the case of a 31-year-old female in whom an incidentally detected retroperitoneal cystic mass, 6.5cm in size, was successfully resected through laparoscopic approach. Pathologic examination revealed a mucinous cystadenoma. The postoperative course was uneventful, and the patient remained free of recurrence six months after surgery. DISCUSSION: Literature review showed that male sex (p = 0.019), and solid nodules in cysts (p < 0.001) were both significantly associated with malignancy. CONCLUSION: When confronted with a cystic mass in the retroperitoneum, a primary mucinous cystic neoplasm should be considered and complete surgical removal of the tumor without spillage is recommended. (C) 2015 The Authors. Published by Elsevier Ltd. on behalf of Surgical Associates Ltd.

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