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Table 2 Results of ORN due to postoperative radiation therapy reduced pathologic fracture patients

From: Treatment of pathologic fracture following postoperative radiation therapy: clinical study

No.

Age/sex

Primary disease

Primary site

Stage

OP on primary lesion

Remaining bone height (mm)

Defect length (mm)

Radiation dose (Gy)

Tx. of fx.

PostOP state

Bone union

Period fx. to healing

T

N

M

1

74/F

SCC

Rt Mn post

4

0

0

Marginal resection

18.1

71

60

IBG, miniplate

POD 1-m plate fracture

Union

1Y 7 m

2

80/F

SCC

Lt Mn post

1

0

0

Marginal resection

8.9

41

66

None

–

Union

5Y 4 m

3

76/M

SCC

Lower lip

1

0

0

Surgical excision

4.7

36

54

IBG, miniplate

POD 2-m plate fracture

Union

5 m

4

56/M

SCC

Rt Mn post

1

2

0

Marginal resection

11.1

63

50

Recon plate

Favorable

Union

9 m

5

65/F

MEC

Rt Mn post

2

0

0

Marginal resection

12.3

51

66

Miniplate

Short follow-up (4 m)

Non-union

–

  1. OP operation, Tx treatment, Fx fracture, F female, SCC squamous cell carcinoma, Rt right, Mn mandibular, IBG iliac bone graft, POD postoperative day, M male, Lt left, Recon reconstruction, MEC mucoepidermoid carcinoma