Malignant pleural mesothelioma: a clinicopathological study

Area of Science:

• Oncology
• Pulmonology
• Pathology

Background:

• Malignant pleural mesothelioma is a rare but aggressive cancer.
• Asbestos exposure is a primary risk factor.
• Diagnosis can be challenging, often requiring invasive procedures.

Purpose of the Study:

• To report the clinical characteristics and outcomes of malignant pleural mesothelioma patients.
• To evaluate the diagnostic utility of pleural effusion cytology versus biopsy.
• To compare survival rates based on treatment modalities.

Main Methods:

• Retrospective review of 58 patients treated at a single institute.
• Analysis of patient demographics, asbestos exposure history, and clinical presentation.
• Pathological classification of mesothelioma subtypes and staging (Butchart classification).
• Comparison of survival data for surgical, non-surgical, and no-treatment groups.

Main Results:

• Pleural effusion was the most common presentation (47/58 patients).
• Pleural biopsy was frequently necessary for diagnosis, as cytology was often non-diagnostic.
• Epithelial type (44.8%) was the most common pathological subtype.
• Median survival was 12.5 months overall; surgical treatment yielded a median survival of 15 months, with some patients surviving over 5 years.
• Patients receiving no treatment had a median survival of 7 months.

Conclusions:

• Pleural biopsy is crucial for diagnosing malignant pleural mesothelioma.
• Surgical intervention may offer improved survival outcomes for select patients.
• Further research is needed to optimize treatment strategies for malignant pleural mesothelioma.