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Radiographics. 2004 Mar-Apr;24(2):419-34.

Patterns of lymphadenopathy in thoracic malignancies.

Author information

1
Department of Radiology, Massachusetts General Hospital, Harvard Medical School, 55 Fruit St, Founders 202, Boston, MA 02114, USA. asharma2@partners.org

Abstract

There are different lymphatic drainage pathways in the thorax that are relevant in the staging of lung cancer, breast cancer, lymphoma, esophageal cancer, and malignant mesothelioma. To properly search for metastatic spread, it is important to carefully evaluate the specific nodal stations that drain the thoracic structures from which a primary tumor originates. Because size criteria have limitations in the prediction of nodal status, pathologic confirmation is essential for accurate staging. Computed tomography (CT) is useful in helping the surgeon or interventional radiologist determine the most appropriate approach for nodal sampling. Fluorine-18 fluorodeoxyglucose (FDG) positron emission tomography (PET) has an increasing role in detection of diseased lymph nodes that appear normal at CT alone, particularly when FDG PET images are fused with CT images. However, the role of radiologic imaging extends beyond initial staging and the guidance of interventions to include posttreatment assessment and the detection of recurrent disease. Therefore, at all levels of cancer imaging, it is essential to identify the relevant lymph node regions and their relations to the primary tumor.

PMID:
15026591
DOI:
10.1148/rg.242035075
[Indexed for MEDLINE]

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