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Table 1 General characteristics of the 42 patients included in this study

From: Side effects of CT-guided implantation of 125I seeds for recurrent malignant tumors of the head and neck assisted by 3D printing non co-planar template

Characteristics

Cases

Sex

 Male

28

 Female

14

Age (years)

Median of 61 (29–79)

KPS (points)

Median of 80 (70–90)

Primary disease

 Nasopharyngeal carcinoma

4

 Oral cancer

4

 Soft-tissue sarcoma of head and neck

3

 Hypopharyngeal cancer

2

 Oropharyngeal cancer

2

 Laryngeal cancer

2

 Salivary-gland cancer

2

 Thyroid cancer

1

 Lymph-node metastasis of unknown primary cancer

1

 Esophageal cancer

8

 Cervical cancer

3

 Lung cancer

3

 Breast cancer

1

 Colon cancer

1

Staging at first visit

 II

6

 III

22

 IV

14

Previous surgery

 Once

21

 Twice

4

 Thrice

1

 Four times

1

Previous radiotherapy

 Once

28

 Twice

8

Previous cumulative dose (Gy)

  ≤ 50

2

 50–70

25

 70–135

6

 Unknown

3

Neoadjuvant/adjuvant chemotherapy

 Yes

29

 No

13

Site of implantation

 Head and maxillofacial

16

 Lymph node of neck

26

  1. KPS Karnofsky performance status