Chest Wall Reconstruction Using a Titanium Mesh Plate and an Expanded Polytetrafluoroethylene Sheet: A Case Report

Our plain-English summary of Chest Wall Reconstruction Using a Titanium Mesh Plate and an Expanded Polytetrafluoroethylene Sheet: A Case Report, by T. Toyoda, T. Suzuki, Y. Hirai, et al (Surgical Case Reports, 2025).

The study

• Authors: T. Toyoda, T. Suzuki, Y. Hirai, R. Karita, T. Kaiho, K. Tanaka, Y. Sakairi, H. Tamura, I. Yoshino, H. Suzuki
• Journal: Surgical Case Reports
• Published: 2025;11(1)
• Type of article: Case report
• Read it: PubMed · Publisher · Free full text

Abstract

Introduction: The integrity and stability of the chest wall (CW) are major factors that ensure the protection of the thoracic organs and proper respiratory function. In cases requiring extensive CW resection for tumor control, reconstruction using autologous tissue or synthetic materials is often performed. However, the optimal approach remains undetermined. We report a case of successful CW reconstruction using a combination of a titanium mesh plate and a dual-surface expanded polytetrafluoroethylene (ePTFE) sheet.

Case Presentation: A man in his 70s presented for referral with a CW tumor in the left anterior chest. The tumor was located in the left anterior CW and was suspected to have pulmonary, thymic, and pectoralis major and minor invasions. Surgical resection included removal of the 2nd through the 4th ribs, partial left upper lobectomy, and partial thymectomy. The large CW defect was reconstructed via rigid reconstruction using a titanium mesh plate with a dual-mesh ePTFE sheet sewn inside. Pathological examination revealed a sarcomatoid malignant pleural mesothelioma. Three years after surgery, the patient remained recurrence-free. Despite radiographic evidence of titanium plate cracking, the pulmonary function and thoracic mechanics were preserved.

Conclusions: The combination of ePTFE sheets, which have a smooth surface to protect the lungs and excellent tissue affinity, and titanium mesh plates, which are sufficiently rigid to maintain thoracic function, is an excellent method of rigid reconstruction that takes advantage of the strengths of each material. This technique is feasible and versatile and ensures short-term postoperative stability. Nevertheless, the long-term safety and potential complications warrant further clinical evaluation.

© 2025 The Author(s). Published by Japan Surgical Society.

In plain English

This case report from Chiba University in Japan described one patient, a man in his 70s, with a tumor in the left front chest wall. On imaging, the tumor appeared to involve the left upper lung lobe, the thymus and the chest muscles. Surgeons removed the 2nd through 4th ribs along with parts of the muscles, lung and thymus, leaving a defect of about 12 by 12 cm. They rebuilt the chest wall with a titanium mesh plate that had a two-sided expanded polytetrafluoroethylene (ePTFE) sheet sewn onto its lung-facing side. Tissue examination confirmed sarcomatoid malignant pleural mesothelioma with negative surgical margins. The patient remained recurrence-free for 3 years. A crack later appeared in the titanium plate, and slight paradoxical chest movement resembling flail chest was seen. Percent predicted forced vital capacity was 115.3% after surgery, compared with 129.4% before. Left lung volume was 2205 mL, compared with 2138 mL before. The authors concluded that the combination was a practical and effective method for rigid chest wall reconstruction but said longer-term data are needed. The article does not discuss asbestos exposure.

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: case report (single patient, surgical technique)
• Who was studied: One man in his 70s referred to the Department of General Thoracic Surgery, Chiba University, Japan, with a left anterior chest wall tumor; dates not given
• Exposure: Not reported: the article does not mention asbestos or any other exposure; it concerns surgical reconstruction with a titanium mesh plate and a dual-surface ePTFE sheet
• Main results:
  • Pathology showed a sarcomatoid malignant pleural mesothelioma (negative surgical margins)
  • The 2nd through 4th ribs and parts of the pectoral muscles, left upper lobe and thymus were removed; the chest wall defect measured about 12 × 12 cm
  • The patient remained recurrence-free for 3 years after surgery
  • A crack developed on the cranial side of the titanium plate, extending about two-fifths of its length; slight paradoxical movement resembling flail chest was noted during inspiration, without symptoms such as dyspnea
  • In this patient, postoperative percent predicted forced vital capacity was 115.3% (preoperative 129.4%; change −14.1%)
  • In this patient, left lung volume was 2205 mL after surgery (preoperative 2138 mL, +3.1%)
• The authors' conclusion: The authors concluded that combining titanium mesh plates with dual-surface ePTFE sheets provided a practical and effective method for rigid chest wall reconstruction, suitable for short-term postoperative stability.
• Limitations the authors state:
  • Further long-term data are needed to evaluate implant longevity and to improve material and design choices
  • The plate crack could progress over time and needs long-term surveillance

Topics

Medical terms in this study, explained in our Lexicon: Surgical Resection, Sarcomatoid, Pleural Mesothelioma.

Related studies

• Long-term outcomes after chest wall resection and repair with titanium bars and sternal plates — H. Clermidy, G. Fadel, et al. (2022)
• Chest wall stabilization using plate fixation — J.E. Sherman, A. Salzberg, et al. (1988)
• Massive chest wall resection and reconstruction for malignant disease — C.N. Foroulis, A.D. Kleontas, et al. (2016)
• Long-term results of chest wall reconstruction with DualMesh — T. Nagayasu, N. Yamasaki, et al. (2010)
• Initial experience with the use of biological implants for soft tissue and chest wall reconstruction in thoracic surgery — A. Barua, J.A. Catton, et al. (2012)
• Surgical Management and Reconstruction of Diaphragm, Pericardium and Chest Wall in Mesothelioma Surgery: A Review — P. Bertoglio, E. Garelli, et al. (2021)

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