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Title: Positron emission tomography with selected mediastinoscopy compared to routine mediastinoscopy offers cost and clinical outcome benefits for pre-operative staging of non-small cell lung cancer.
Austin Authors: Yap, Kelvin K;Byrne, Amanda J;Berlangieri, Salvatore U ;Poon, Aurora M T ;Mitchell, Paul L R ;Knight, Simon R ;Clarke, Peter C;Harris, Anthony H;Tauro, Andrew;Rowe, Christopher C ;Scott, Andrew M 
Affiliation: Centre for PET, University of Melbourne, Austin Hospital Heidelberg, Victoria, 3084, Australia
Issue Date: 5-May-2005
Publication information: European Journal of Nuclear Medicine and Molecular Imaging 2005; 32(9): 1033-40
Abstract: (18)F-fluorodeoxyglucose positron emission tomography (FDG-PET) imaging is an important staging procedure in patients with non-small cell lung cancer (NSCLC). We aimed to demonstrate, through a decision tree model and the incorporation of real costs of each component, that routine FDG-PET imaging as a prelude to curative surgery will reduce requirements for routine mediastinoscopy and overall hospital costs.A decision tree model comparing routine whole-body FDG-PET imaging to routine staging mediastinoscopy was used, with baseline variables of sensitivity, specificity and prevalence of non-operable and metastatic disease obtained from institutional data and a literature review. Costings for hospital admissions for mediastinoscopy and thoracotomy of actual patients with NSCLC were determined. The overall and average cost of managing patients was then calculated over a range of FDG-PET costs to derive projected cost savings to the community.The prevalence of histologically proven mediastinal involvement in patients with NSCLC presenting for surgical assessment at our institution is 20%, and the prevalence of distant metastatic disease is 6%. Based on literature review, the pooled sensitivity and specificity of FDG-PET for detection of mediastinal spread are 84% and 89% respectively, and for mediastinoscopy, 81% and 100%. The average cost of mediastinoscopy for NSCLC in our institution is 4,160 AUD, while that of thoracotomy is 15,642 AUD. The cost of an FDG-PET scan is estimated to be 1,500 AUD. Using these figures and the decision tree model, the average cost saving is 2,128 AUDper patient.Routine FDG-PET scanning with selective mediastinoscopy will save 2,128 AUD per patient and will potentially reduce inappropriate surgery. These cost savings remain robust over a wide range of disease prevalence and FDG-PET costs.
Gov't Doc #: 15875178
DOI: 10.1007/s00259-005-1821-0
Type: Journal Article
Subjects: Adult
Aged, 80 and over
Carcinoma, Non-Small-Cell Lung.economics.pathology.radionuclide
Cost-Benefit Analysis
Decision Support Systems, Clinical
Health Care Costs.statistics & numerical data
Length of Stay.economics
Lung Neoplasms.economics.pathology.radionuclide
Middle Aged
Models, Economic
Neoplasm Staging.economics
Positron-Emission Tomography.economics
Retrospective Studies
Treatment Outcome
Appears in Collections:Journal articles

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