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Table 1 Characteristics of the patients (number = 19)

From: An investigation of 125I seed permanent implantation for recurrent carcinoma in the head and neck after surgery and external beam radiotherapy

 

Number of patients

Percentage (%)

Gender

  

 Male

11

57.9

 Female

8

42.1

Median age

56(19 to 86)

 

Primary tumor stage

  

 Stage I

1

5.3

 Stage II

4

21.1

 Stage III

7

36.8

 Stage IV

7

36.8

Primary tumor

  

  Larynx

6

31.6

 Soft tissue sarcoma

3

15.8

  Hypopharynx carcinoma

2

10.5

  Thyroid carcinoma

2

10.5

Cancer of nasal cavities

2

10.5

  Nasopharynx carcinoma

1

5.3

 Submandibular gland carcinoma

1

5.3

 Maxillary sinus carcinoma

1

5.3

 Merkel’s cells tumor of left ear

1

5.3

Tumor pathology

  

  Squamous cell carcinoma

9

47.4

Adenoid cystic carcinoma

2

10.5

Small cell carcinoma

1

5.3

Chondrosarcoma

1

5.3

Neurofibrosarcoma

1

5.3

Rhabdomyosarcoma

1

5.3

Medullary carcinoma

1

5.3

Papillary adenocarcinoma

1

5.3

Malignant melanoma

1

5.3

Merkel’s cells tumor

1

5.3

Previous surgery

19

100

 One

12

63.2

 Two

6

31.6

 Three

1

5.2

Previous chemotherapy

5

26.3

Previous radiotherapy

19

100

 One

12

63.1

 Two

6

31.6

 Three

1

5.3

Previous cumulative dose (Gy)

  

  ≤50 Gy

3

15.8

  50 to 100 Gy

13

68.4

  >100 Gy

3

15.8

Median dose(Gy)

64(34 to 14)