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Thoracic computed tomography findings in malignant mesothelioma
Omer Tamer Dogan1, Ismail Salk, Fikret Tas
1Department of Chest Diseases, Faculty of Medicine, Cumhuriyet University, Sivas, Turkey.
Summary
Malignant pleural mesothelioma (MPM) is a rare cancer. CT scans reveal diverse features, with pleural thickening and effusion being most common in affected patients.
Area of Science:
- Oncology
- Radiology
- Pulmonology
Background:
- Malignant pleural mesothelioma (MPM) is an uncommon cancer.
- MPM incidence is higher in specific Turkish villages, suggesting environmental factors.
Purpose of the Study:
- To review the radiological findings of malignant pleural mesothelioma.
- To correlate CT scan features with MPM diagnosis.
Main Methods:
- Retrospective review of CT findings in 219 biopsy-proven MPM patients.
- Data collected from 1993 to 2008.
Main Results:
- Pleural thickening (90%) was the most frequent finding, appearing as diffuse, nodular, or mass-type.
- Pleural effusion (79%), interlobar fissure involvement (73%), and mediastinal pleural involvement (78%) were also common.
- Other findings included volume contraction (65%), mediastinal shift (47%), and mediastinal lymphadenopathy (25%).
Conclusions:
- MPM exhibits varied radiological presentations on CT scans.
- Pleural thickening and effusion are the most prevalent CT findings in MPM.
- Increased vigilance with thoracic CT is advised for patients with potential asbestos exposure.
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