Innovative therapies for malignant pleural mesothelioma

Our plain-English summary of Innovative therapies for malignant pleural mesothelioma, by J.R. Roberts (Chest, 1997).

The study

• Author: J.R. Roberts
• Journal: Chest
• Published: 1997;112(4 Suppl):269S-271S
• Type of article: Case report
• Cited by: 1 article, as counted by NIH iCite
• Read it: PubMed · Publisher

Abstract

Therapy for malignant pleural mesothelioma is in a transitional stage. Recent trials of multimodality therapy for this disease suggest that selected patient subgroups may benefit from extensive treatment. This report discusses new approaches to the treatment of malignant pleural mesothelioma. Two case reports are presented.

In plain English

This article did not study a group of patients. It presented two case reports, each followed by a teaching discussion, and only the first concerned malignant pleural mesothelioma. The first patient, a 55-year-old former factory worker, had smoked for 20 years. He was short of breath, with fluid around his left lung. The article did not mention asbestos. Cells in the fluid had some features of adenocarcinoma. A biopsy was then read as consistent with epithelial-type malignant mesothelioma, and sampled lymph nodes showed spread of the cancer. He had surgery to strip the covering of the left lung and the lining of the left chest wall (decortication and parietal pleurectomy), then radiotherapy and chemotherapy. About a year later he had a moderate-to-large fluid collection around the heart. The second man, aged 62, had a 3-cm chest mass that the author discussed as a possible thymoma. No final diagnosis was reported. Survival figures in the discussion came from other researchers' studies. The author wrote that, for a young, healthy patient like the first man, either extrapleural pneumonectomy with further therapy or decortication and parietal pleurectomy would be reasonable.

We wrote this plain-English summary from the full article with the help of AI, and a second AI model checked each sentence against the article. It is not the authors' wording; the abstract and the article are their own account.

What the study did and found

• Design: Two case reports with teaching discussion of diagnosis and treatment
• Who was studied: Two men: a 55-year-old man with malignant pleural mesothelioma (case 1) and a 62-year-old man with an anterior mediastinal mass (case 2). The place and dates of care are not stated.
• Exposure: No asbestos exposure was reported. The case 1 patient had smoked for 20 years and had been a factory worker.
• Main results:
  • Case 1: cells in the pleural fluid were read as malignant with some features of adenocarcinoma, and malignant mesothelioma could not be ruled out
  • Case 1: thoracoscopic biopsy specimens were read as consistent with malignant mesothelioma, epithelial type
  • Case 1: lymph nodes sampled at mediastinoscopy showed metastatic mesothelioma
  • Case 1: the patient was treated with left-sided decortication and parietal pleurectomy, postoperative radiotherapy of 4,500 rad to the left side of the chest, and chemotherapy (cyclophosphamide, doxorubicin, cisplatin)
  • Case 1: about 1 year later, the patient had a moderate-to-large pericardial effusion with some compression of the right atrium
  • Case 2: CT showed a 3-cm mass with irregular borders in the anterior mediastinum, possibly invading the pericardium
  • Case 2: the author discussed the mass as a possible stage I thymoma to be removed surgically without prior biopsy. No final diagnosis was reported.
  • Survival data in the discussion (by tumor cell type and lymph-node status) came from an earlier study by Sugarbaker and colleagues, not from this report
• The authors' conclusion: The author wrote that, for a young, healthy patient like the one in case 1, either extrapleural pneumonectomy with adjuvant therapy or decortication and parietal pleurectomy would be reasonable treatment approaches

Topics

The National Library of Medicine indexes this study under subjects our site covers: Mesothelioma.

Medical terms in this study, explained in our Lexicon: Pleural Mesothelioma, Multimodal Therapy.

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• Local Cancer Recurrence: The Realities, Challenges, and Opportunities for New Therapies — D.A. Mahvi, R. Liu, et al. (2018)
• Malignant pleural mesothelioma: update on treatment options with a focus on novel therapies — A.R. Haas, D.H. Sterman (2013)
• Emerging therapies in malignant pleural mesothelioma — M. Cinausero, K. Rihawi, et al. (2019)
• Biological basis for novel mesothelioma therapies — J. Obacz, H. Yung, et al. (2021)
• Local and systemic therapies for malignant pleural mesothelioma — D. Gomez, A.S. Tsao (2014)

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