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Update on F-18-fluoro-deoxy-glucose-PET/computed tomography in nonsmall cell lung cancer

Usmanij, Edwin A.a; de Geus-Oei, Lioe-Feea,b,c; Bussink, Jand; Oyen, Wim J.G.a

Current Opinion in Pulmonary Medicine: July 2015 - Volume 21 - Issue 4 - p 314–321
doi: 10.1097/MCP.0000000000000182
NEOPLASMS OF THE LUNG: Edited by Alan Fein and Anne-Marie C. Dingemans
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Purpose of review: The aim of this review is to provide an outline of current evidence for the use of F-18-fluoro-deoxy-glucose PET computed tomography (FDG-PET/CT) in nonsmall cell lung cancer (NSCLC) for diagnosis, staging, radiotherapy planning, response assessment and response monitoring.

Recent findings: Management of patients with NSCLC requires a multimodality approach to accurately diagnose and stage patients. In this approach, FDG-PET/CT has become a standard staging instrument in lung cancer. FDG-PET/CT is, in addition to staging, also valuable for the characterization of the solitary pulmonary nodule. An increased uptake in the nodule as compared with mediastinal blood pool is suspected for malignancy. In radiotherapy planning, FDG-PET/CT can assist the radiation oncologist for optimal dose delivery to the tumour, while sparing healthy tissues. Evidence of the prognostic and predictive implications of FDG-PET/CT is accumulating. Volumetric parameters of PET, such as metabolic active tumour volume and total lesion glycolysis, are promising predictive and prognostic biomarkers. However, for implementation of metabolic response parameters in clinical practice, more randomized, PET-based, multicentre trials are necessary. The introduction of integrated PET and MRI scanners did not change the pivotal role of standard FDG-PET/CT yet, as with current technology, PET/MRI did not show superior performance in thoracic staging.

Summary: The role of PET is described for diagnosis, staging and response assessment.

aDepartment of Radiology and Nuclear Medicine, Radboud University Medical Center, Nijmegen

bDepartment of Nuclear Medicine, Leiden University Medical Center, Leiden

cMIRA Institute, University of Twente, Enschede

dDepartment of Radiation Oncology, Radboud University Medical Center, Nijmegen, The Netherlands

Correspondence to Edwin A. Usmanij, MD, Department of Radiology and Nuclear Medicine, Radboud University Medical Center, P.O. Box 9101, 6500 HB Nijmegen, The Netherlands. Tel: +31 024 361 45 10; fax: +31 024 361 89 42; e-mail: Edwin.Usmanij@radboudumc.nl

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