Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer
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Previous studies have shown that lung squamous cell carcinoma has higher ¹⁸F-fluorodeoxyglucose (FDG) uptake on positron emission tomography (PET) than adenocarcinoma. We hypothesized that histological subtypes of lung adenocarcinoma were also different in ¹⁸F-FDG uptake. ⋯ The histological subtypes of lung adenocarcinomas differ in GLUT-1 expression and ¹⁸F-FDG uptake on the PET/CT scan, suggesting that histological subtyping not only has morphological but also biological implications.
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In computed tomography lung cancer screening programs, up to 30% of all resections are futile. ⋯ A preoperative PET scan in participants with an inconclusive nonsurgical workup is not recommended because of the very low NPV, but after a conclusive nonsurgical workup, the resection rate for benign disease can be decreased by 72%.
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Extended cervical mediastinoscopy (ECM) is a method for sampling aortopulmonary window (APW) mediastinal lymph nodes. In this study, the efficacy of integrated positron emission tomography/computed tomography (PET/CT) was compared with ECM for the detection of APW lymph node metastasis. ⋯ ECM, which is an effective technique used in the determination of APW lymph node metastasis, was enough to rule out nodal disease with negative predictive value. PET/CT does not reduce the need for invasive procedures in detecting APW lymph node metastasis.