Whole-Body 18F-FDG PET in Recurrent or Metastatic Nasopharyngeal Carcinoma
Ruoh-Fang Yen, MD1,2,
Ruey-Long Hong, MD, PhD3,
Kai-Yuan Tzen, MD1,
Mei-Hsiu Pan, MD1 and
Tony Hsiu-Hsi Chen, PhD2
1 Department of Nuclear Medicine, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan
2 Institute of Preventive Medicine, National Taiwan University College of Public Health, Taipei, Taiwan
3 Department of Oncology, National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan

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FIGURE 1. 18F-FDG PET images of 51-y-old male patient who underwent PET examination 8 mo after CCRT (pretherapy stage IVA) show a biopsy-proven cervical lymph node metastasis at left submandibular region (arrows) and intense 18F-FDG uptake in right cervical muscle (arrowhead). No lymph node metastasis in the right neck was observed during clinical follow-up in this patient.
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FIGURE 2. Image of 63-y-old male patient who underwent 18F-FDG PET examination 8 mo after completion of CCRT reveals multiple 18F-FDG hypermetabolic lesions in right neck, mediastinum, and bilateral lungs. Patient died 13 mo after PET study.
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FIGURE 3. Survival for PET-positive and PET-negative patient groups (A) and stage I, II and stage III, IV patient groups (B).
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Copyright © 2005 by the Society of Nuclear Medicine.