Related Experiment Video
Updated: Jun 17, 2026
Implantation and Monitoring by PET/CT of an Orthotopic Model of Human Pleural Mesothelioma in Athymic Mice
Published on: December 21, 2019
Malignant peritoneal mesothelioma: contribution and limitation of imaging for its diagnosis
J Marrannes1, S Delvaux, J Verheezen
1Department of Radiology, Regionaal Ziekenhuis Sint-Trudo, Sint-Truiden, Belgium. jesse.marrannes@gmail.com
Abstract:
Malignant mesothelioma of the peritoneum is a rare primary peritoneal tumor with a pore prognosis. The overall prevalence is one to two cases per million. The tumor arises from mesothelial cells in the pleura or, in this case, peritoneum. Peritoneal malignant mesotheliomas account for only 10 to 20% of all malignant mesotheliomas. Exposure to asbestos fibers is a known risk factor for the development of mesothelial tumors. Although imaging features can be suggestive of malignant peritoneal mesothelioma, histologic examination of tissue with specific immunohistologic markers are mandatory for diagnosis.
Insights
Malignant peritoneal mesothelioma is a rare cancer originating from mesothelial cells. Diagnosis requires histologic examination and immunohistologic markers, as imaging is only suggestive.
Area of Science:
- Oncology
- Pathology
Background:
- Malignant mesothelioma of the peritoneum is a rare primary peritoneal tumor.
- It arises from mesothelial cells, with peritoneal cases representing 10-20% of all malignant mesotheliomas.
- Asbestos fiber exposure is a known risk factor.
Observation:
- The overall prevalence is low, estimated at one to two cases per million.
- Imaging findings can suggest the diagnosis but are not definitive.
- Histologic examination with immunohistologic markers is essential for diagnosis.
Findings:
- Peritoneal malignant mesotheliomas are rare, aggressive tumors.
- Asbestos exposure is a significant risk factor.
- Definitive diagnosis relies on histopathology and specific markers.
Implications:
- Early and accurate diagnosis is crucial for patient prognosis.
- Understanding risk factors like asbestos is key for prevention strategies.
- Further research into diagnostic and therapeutic advancements is warranted.
