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Table 1 Patient characteristics (n = 67 patients)

From: Accuracy of methionine-PET in predicting the efficacy of heavy-particle therapy on primary adenoid cystic carcinomas of the head and neck

Characteristic

No. of patients

% of patients

Gender

  Male

27

40%

  Female

40

60%

Age

  10-19

1

2%

  20-29

3

4%

  30-39

7

10%

  40-49

14

21%

  50-59

18

27%

  60-69

15

22%

  70-79

8

12%

  80-89

1

2%

Tumor site

  Nasal cavity

7

10%

  Paranasal sinus

21

31%

  Salivary gland

9

13%

  Oral cavity

14

21%

  Pharyngolarynx

10

15%

  Orbita

2

3%

  Lacrimal gland

2

3%

  Lacrimal sac

1

2%

  Ear canal

1

2%

Tumor size in mm

  ≤40

20

30%

  >40

47

70%

T Stage

  1

1

2%

  2

6

9%

  3

9

13%

  4

51

76%