PET scanning in lung cancer: current status and future directions.
ABSTRACT Positron emission tomography (PET) represents a dramatic advance in the imaging of lung cancer. It is valuable for the diagnosis, staging, prognosis, and restaging of disease, and is most useful in patients considered for potentially curative therapy for non-small-cell lung cancer (NSCLC). In this work the current status and potential future applications of PET scanning in lung cancer are discussed. The relevant literature is also discussed, with an emphasis on studies with clinical applicability. Most of these studies involved the use of 18F-fluorodeoxyglucose (FDG). Numerous studies of the use of PET to assess undiagnosed pulmonary nodules have reported significant improvements in accurate diagnosis or exclusion of malignancy compared to conventional structural imaging alone. All of these studies, including metaanalysis, have shown that PET is more accurate than CT-based structural imaging in staging the mediastinum in surgical candidates. PET may have value in radiotherapy planning, and PET-based staging more accurately predicts survival in radiotherapy-treated patients than conventional staging. The rate of unsuspected distant metastasis detection in stage III disease exceeds 20%. PET also facilitates an accurate assessment of response in patients treated with radical chemoradiation or neoadjuvant therapy prior to surgery. PET has rapidly become an indispensable part of the evaluation of patients with potentially curable lung cancer; however, more work is required to define its role.
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ABSTRACT: This review describes the advantages and disadvantages of radiography, ultrasonography, and nuclear medicine in the 2 most frequent thyroid pathologies of the dog: acquired primary hypothyroidism and thyroid neoplasia. Ultrasonography and scintigraphy remain the 2 most indicated imaging modalities for these thyroid abnormalities. However, as in human medicine, computed tomography and magnetic resonance imaging also have potential indications. This is especially the case in the evaluation of the extent, local invasiveness, and local or distant metastases of thyroid neoplasia. Based on experience with different imaging modalities in people, we suggest future directions in the imaging of the canine thyroid gland.Journal of Veterinary Internal Medicine 06/2007; 21(4):673 - 684. · 2.06 Impact Factor
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ABSTRACT: This article covers the risk factors, diagnostic tools, staging methods/modalities and treatment for patients with non-small cell lung cancer (NSCLC). Also presented is the new 7th edition American Joint Cancer Committee (AJCC) TNM classification for staging of NSCLC and a recommended treatment algorithm.Indian Journal of Surgery 12/2009; 71(6):310-6. · 0.27 Impact Factor
- PET Clinics 01/2006; 1:317-328.