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Related Experiment Video

Updated: Aug 29, 2025

Pre-Conditioning the Airways of Mice with Bleomycin Increases the Efficiency of Orthotopic Lung Cancer Cell Engraftment
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Incidentally Detected Malignancies in Lung Explants.

Deepika Razia1,2, Ashwini Arjuna1,2, Amy Trahan2,3

  • 1Pulmonary and Lung Transplantation Division, Norton Thoracic Institute, St. Joseph's Hospital and Medical Center, Phoenix, Arizona, USA.

Progress in Transplantation (Aliso Viejo, Calif.)
|September 7, 2022
PubMed
Summary
This summary is machine-generated.

Lung cancer found incidentally in explanted lungs after transplant increases recurrence risk. Early detection and tailored immunosuppression are crucial for improving survival in lung transplant recipients with malignancy.

Keywords:
adenocarcinomaincidental malignancylung cancerlung explantlung transplantation

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Area of Science:

  • Thoracic Surgery
  • Transplant Oncology
  • Pulmonary Medicine

Background:

  • Lung cancer detected incidentally in explanted lungs poses a significant risk for post-transplant recurrence and metastasis.
  • Immunosuppression therapy following lung transplantation can potentially promote the proliferation of undetected malignancies.

Approach:

  • A retrospective review of lung explant malignancies in lung transplant recipients over a 10-year period (2011-2020).
  • Analysis included histopathology, radiographic imaging, patient management, survival rates, and allograft rejection.
  • Investigated the impact of malignancy on patient outcomes and explored treatment strategies.

Key Points:

  • Malignancy was identified in 1.3% of lung explant recipients, with adenocarcinoma being the most common type.
  • Multifocal and nodal involvement were observed in a significant proportion of cases.
  • Lung transplant recipients with cancer exhibited significantly lower survival rates compared to those without.

Conclusions:

  • Unidentified lung malignancies, particularly adenocarcinoma, are found in explanted native lungs.
  • Pneumonectomy may offer a curative option for specific cancers like squamous cell carcinoma and early-stage adenocarcinoma.
  • Adjusting immunosuppression strategies is essential to balance allograft protection and minimize tumor recurrence risk.