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. 1999 Dec;24(12):950-4.
doi: 10.1097/00003072-199912000-00009.

FDG positron emission tomography in head and neck cancer: pitfall or pathology?

M P Stokkel  1 , V Bongers, G J Hordijk, P P van Rijk
Affiliations

FDG positron emission tomography in head and neck cancer: pitfall or pathology?

M P Stokkel et al. Clin Nucl Med. 1999 Dec.

Abstract

Purpose: Fluorodeoxyglucose (FDG) positron emission tomography (PET) is a functional imaging technique used for imaging and staging malignant diseases. In many oncologic situations, however, abnormal changes seen on the PET studies are not caused by tumor, which is especially true in the head and neck region. The authors present an overview of the phenomena that may confound the interpretation of the images in head and neck cancer.

Materials and methods: FDG PET studies were performed in patients with primary head and neck cancer and in patients in whom recurrent disease was likely. The results were correlated with clinical findings. Eight solitary cases were selected from a total of 180 patients studied.

Results and conclusions: Benign lesions and iatrogenic and physiologic changes may show increased FDG uptake. Therefore, clinical information on previous surgical interventions and optimal patient preparation are necessary for adequate interpretation. If these prerequisites can be met, benign lesions appear to be the only lesions that may interfere with the specificity of FDG PET.

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