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Retroperitoneal mucinous cystadenoma.
C Subramony1, S Habibpour, L A Hashimoto
1Department of Pathology, 2500 N State St, University of Mississippi Medical Center, Jackson, MS 39216, USA. csubramony@pathology.umsmed.edu
Archives of Pathology & Laboratory Medicine
|April 13, 2001
Summary
Primary retroperitoneal mucinous cystadenoma, a rare tumor in women, may originate from mesothelial cell inclusions. These cells undergo mucinous metaplasia, forming the cystadenoma, potentially influenced by estrogen receptors.
Area of Science:
- Gynecologic Oncology
- Surgical Pathology
- Cell Biology
Background:
- Primary retroperitoneal mucinous cystadenoma is a rare neoplasm exclusively diagnosed in women.
- Understanding its origin is crucial for accurate diagnosis and management.
Observation:
- A large retroperitoneal cystic mass was surgically resected.
- Histologic, immunohistochemical, and electron microscopic analyses were performed on the lining epithelial cells.
Findings:
- The lining epithelial cells exhibited characteristics of both mesothelial cells and ovarian mucinous cystadenoma.
- This suggests a dual origin involving mesothelial inclusions and mucinous metaplasia.
Implications:
- The findings propose a novel theory for the histogenesis of these rare tumors.
- Estrogen receptor involvement is hypothesized to explain the exclusive occurrence in women, guiding future research into hormonal influences.