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Updated: Jun 20, 2026

Multimodality Diagnosis of Mesenteric Ischemia
Published on: July 21, 2023
Diffuse malignant peritoneal mesothelioma presenting as intestinal obstruction
John Griniatsos1, Stavros Sougioultzis, Nikoletta Dimitriou
1Department of Surgery, University of Athens, Medical School, LAIKO Hospital, Athens, Greece. johngriniatsos@yahoo.com
Abstract:
Diffuse malignant peritoneal mesothelioma (DMPM) represents 90% of all peritoneal forms of mesothelioma. It affects mainly patients 50-69 years old. In 50% of cases there is a history of asbestos exposure. The clinical presentation of the disease is not characteristic: nonspecific abdominal pain, weight loss, and abdominal distension are common. Ascites occurs in 90% of the patients. Bowel obstruction is a late manifestation. We present three patients with DMPM, without a history of asbestos exposure and without ascites, who presented with complete bowel obstruction. All patients underwent emergency operations, and palliative surgical procedures were performed. Each patient died within 3 to 6 months postoperatively.
Insights
Diffuse malignant peritoneal mesothelioma (DMPM) can present atypically. Three patients without asbestos exposure or ascites developed bowel obstruction, highlighting a rare but critical DMPM presentation.
Area of Science:
- Oncology
- Gastroenterology
- Pathology
Background:
- Diffuse malignant peritoneal mesothelioma (DMPM) is a rare cancer, typically associated with asbestos exposure and ascites.
- It predominantly affects individuals aged 50-69, often presenting with nonspecific symptoms like abdominal pain and weight loss.
Observation:
- This report details three DMPM cases in patients lacking asbestos exposure history and ascites.
- These patients uniquely presented with complete bowel obstruction as their primary symptom.
Findings:
- All three patients required emergency surgery for palliative procedures due to bowel obstruction.
- The disease progression was rapid, with all patients succumbing to the illness within 3 to 6 months post-operation.
Implications:
- These cases underscore the importance of considering DMPM in patients with unexplained bowel obstruction, even without typical risk factors.
- Early diagnosis and management strategies for atypical DMPM presentations warrant further investigation to improve patient outcomes.
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