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Malignant Pleural Mesothelioma (MPM) Presenting as Hydropneumothorax
Masami Kuramochi1, Takuma Muraoka1, Mayumi Shinonaga1
1Thoracic Surgery, Mito Saiseikai General Hospital, Mito, JPN.
Cureus
|August 2, 2023
Summary
A rare case of malignant pleural mesothelioma (MPM) presented as asymptomatic hydropneumothorax. Early consideration of MPM is crucial for diagnosing this rare condition, even without typical symptoms like dyspnea.
Area of Science:
- Pulmonology
- Oncology
- Pathology
Background:
- Malignant pleural mesothelioma (MPM) is a rare cancer associated with asbestos exposure.
- Hydropneumothorax, a combination of pleural effusion and pneumothorax, is an uncommon presentation for MPM.
Observation:
- An 86-year-old man with a history of working in a stone workshop presented with bilateral lower limb edema.
- Chest imaging revealed hydropneumothorax, pleural effusion, and plaques.
- Despite the significant pleural abnormalities, the patient was asymptomatic for dyspnea.
Findings:
- Thoracic drainage and thoracoscopic surgery confirmed biphasic malignant mesothelioma.
- Pathological examination revealed tumor rupture and pleural disruption.
- This case highlights a rare presentation of MPM with coexisting pleural effusion and pneumothorax.
Implications:
- Early diagnosis of malignant pleural mesothelioma is essential, even in cases of asymptomatic hydropneumothorax.
- Awareness of rare presentations like hydropneumothorax can improve diagnostic timelines for MPM.
- Further research into the mechanisms and clinical significance of asymptomatic hydropneumothorax in MPM is warranted.
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