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Curated Journal Articles on Mesothelioma

Multimodal therapy of malignant pleural mesothelioma: is the replacement of radical surgery imminent?

Interactive CardioVasic and Thoracic Surgery. 2012 Nov 21. [Epub ahead of print] [Link]

Lindenmann J, Matzi V, Neuboeck N, Anegg U, Maier A, Smolle J, Smolle-Juettner FM.

Division of Thoracic and Hyperbaric Surgery, Department of Surgery, Medical University of Graz, Austria.

Abstract

Aims: The accurate diagnosis of malignant pleural mesothelioma (MPM) is essential for therapeutic and legal reasons. In 2006 the International Mesothelioma Panel advocated the use of a panel, including two mesothelial and two non-mesothelial immunohistochemical (IHC) markers. We assessed the changing use of IHC for the diagnosis of MPM in Australia over two decades in the context of current best practice.

Objectives: Malignant pleural mesothelioma (MPM) remains an aggressive thoracic malignancy associated with poor prognosis. There is no standard treatment regimen, and particularly, the impact of radical surgery remains controversial. The main goal of our retrospective single-centre study was to evaluate the surgical and non-surgical treatment modalities applied at our division regarding their effect on the patient’s survival.

Methods: During the last decade, 82 patients with histologically confirmed MPM were treated at our division. The complete clinical records of 61 patients were eligible for statistical evaluation.

Results: There were 14 women (23%) and 47 men (77%) with a mean age of 63.7 years. Epitheloid subtype was found in 48 patients (78.7%), sarcomatoid in 3 (4.9%) and biphasic in 10 (16%). Surgery as the first treatment modality was performed in 44 patients (72.1%). Pleurectomy/decortication was done in 28 cases (45.9%), extended pleurectomy/decortication was performed in 13 (21.3%) and extrapleural pneumonectomy in 3 (4.9%). Additional intraoperative photodynamic therapy was administered in 20 patients, 34 underwent chemotherapy (55.7%) and 12 had radiotherapy (19.7%). Mean survival time for the collective was 18.3 months. Five-year survival was 17% in the epitheloid histology group, where patients treated with chemotherapy alone yielded a significant increase in survival (P = 0.049), and those with other subtypes survived for a maximum of 20.6 months.

Conclusions: Chemotherapy and pleurectomy/decortication can extend the survival time of patients with MPM remarkably. The adequate treatment options have to be tailored to the specific particular needs of each patient considering histological subtype, tumour stage and patient’s individual functional assessment as well as comorbidity.

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