Related Experiment Video
Updated: Jun 26, 2026
10:10
Robotic Duodenum-preserving Total Pancreatic Head Resection for Intraductal Papillary Mucinous Neoplasms
Published on: April 17, 2026
Primary retroperitoneal mucinous cystadenoma
Malak Abedalthagafi1, Patrick G Jackson, Metin Ozdemirli
1Department of Pathology, Lombardi Comprehensive Cancer Center, Georgetown University Hospital 3900 Reservoir Road, NW, Washington, DC 20007, United States of Americal. mxa212@gunet.georgetown.edu
Saudi Medical Journal
|January 14, 2009
Summary
Primary retroperitoneal mucinous tumors are rare and exclusively found in women. This case suggests mucinous metaplasia of the mesothelium may cause these uncommon abdominal masses.
Area of Science:
- Gynecologic Oncology
- Surgical Pathology
- Retroperitoneal Neoplasms
Background:
- Primary mucinous neoplasms of the retroperitoneum are rare, exclusively occurring in women, with unclear origins.
- Potential origins include teratomas, supernumerary ovaries, or metaplasia of retroperitoneal mesothelium.
Observation:
- A case of a primary mucinous cystadenoma in the retroperitoneum of a 44-year-old female is presented.
- The tumor presented as a palpable abdominal mass and was completely excised laparoscopically.
- No recurrence was observed 16 months post-surgery.
Findings:
- Morphological and immunohistochemical analyses support a specific histogenetic hypothesis.
- The findings suggest mucinous metaplasia of the retroperitoneal mesothelium overlying an inclusion cyst as the origin.
- This provides insight into the development of primary retroperitoneal mucinous tumors.
Implications:
- This study clarifies the potential histogenesis of rare retroperitoneal mucinous tumors.
- It supports the mesothelial metaplasia theory for these neoplasms.
- Understanding the origin is crucial for accurate diagnosis and management of these uncommon tumors in women.
