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Table 2 Change of clinical stage related to PET/CT in 5/22 patients (22%).

From: FDG-PET/CT imaging for staging and radiotherapy treatment planning of head and neck carcinoma

Case N.

Site

CT stage

PET/CT stage

1

Oropharynx

T1 N0 M0

T2 N0 M0

  

Stage I

Stage II

2

Nasopharynx

T3 N2b M0

T4 N2b M0

  

Stage III

Stage IVA

3

Hypopharynx

T1 N0 M0

T1 N1 M0

  

Stage I

Stage III

4

Hypopharynx

T2 N0 M0

T2 N1 M0

  

Stage II

Stage III

5

Hypopharynx

T3 N2b M0

T4 N2b M1

  

Stage IVA

Stage IVC

  1. Abbreviations:
  2. CT: computed -tomography;
  3. PET/CT: positron emission tomography