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Trimodality management of malignant pleural mesothelioma
1Department of Thoracic Surgery, University of Torino, San Giovanni Battista Hospital, via Genova 3, 10126, Torino, Italy. giuliano.maggi@unito.it
Objective:
We reviewed our experience with trimodality management of malignant pleural mesothelioma (MPM).
Methods:
From September 1998 to August 2000, 32 consecutive patients with histological diagnosis of MPM underwent trimodality therapy, including surgery followed by adjuvant chemotherapy and radiation therapy. Surgery consisted of pleurectomy/decortication (P/D) or pleural-pericardial-pneumonectomy and diaphragm (PPPD). Pre-operative staging according to the Brigham Staging System was accomplished using computed tomography (CT) and magnetic resonance imaging (MRI); patients with evident extrapleural spread were excluded.
Results:
Our series included 21 men and 11 women with a median age of 53.5 years (range 40-69). Histologically, there were 26 epithelial, four mixed and two sarcomatous MPM. Post-surgical staging was as follows: six patients were at Stage I; of these, two received a P/D and four a PPPD. Ten patients were at Stage II and all received a PPPD; 16 patients were at Stage III (under-staged pre-operatively): of these, nine patients presented extrapleural lymph node metastases (N2) and all received a PPPD, seven patients presented with chest wall or mediastinal invasion (T4) with macroscopic residual tumour, and all received a de-bulking P/D. We observed major complications in ten patients: six bleeding, two respiratory insufficiency and two nerve paralysis. There were two perioperative deaths (6.25% mortality). Twenty-seven patients out of 30 surviving surgery had a follow-up greater than 6 months; 21 patients out of 27 are alive with a median follow-up of 12.5 months.
Conclusions:
(1) Trimodality therapy is feasible in selected patients with MPM and has an acceptable operative mortality rate. (2) Our current pre-operative staging based on CT/MRI looks rather inaccurate and needs to be improved. (3) The high rate of post-surgical N2 patients or with diffusion to the inferior surface of the diaphragm may suggest the use of routine mediastinoscopy and laparoscopy for a more appropriate patient selection.