Table 2 Outcome of diaphyseal prosthetic reconstruction based on the classification.

From: Classification of diaphyseal tumors based on residual medullary cavity length for prosthetic reconstruction

 

All

Type I

Type lla

Type llb

Type llla

Type lllb

Type lV

(n = 112)

(n = 38)

(n = 29)

(n = 13)

(n = 5)

(n = 22)

(n = 5)

Mean operative time, min (SD)

142.4 (41)

130 (23.8)

143 (37.9)

154 (37.7)

225 (85.1)

137 (40.5)

138 (24.9)

Mean blood loss, ml (SD)

658.8 (437.3)

807.9 (563.5)

665.5 (314.3)

669.2 (332.6)

940 (563.9)

384.5 (196)

386 (94.8)

Mean resection length, mm (SD)

106.8 (33.3)

98.4 (11.9)

105.2 (22.8)

119.6 (35.6)

196 (55.5)

94.5 (26.4)

112 (25.1)

Use of chemotherapy, n (%)

57 (50.9)

18 (47.4)

15 (51.7)

2 (15.4)

5 (100)

14 (63.6)

3 (60)

Use of radiotherapy, n (%)

19 (17)

7 (18.4)

5 (17.2)

1 (7.7)

1 (20)

5 (22.7)

0

Use of targeted therapy, n (%)

34 (30.4)

10 (26.3)

10 (34.5)

6 (46.2)

0

7 (31.8)

1 (20)

Use of cement, n (%)

101 (90.2)

36 (94.7)

29 (100)

12 (92.3)

2 (40)

21 (95.5)

1 (20)

Mean follow‑up, months (range)

24.1 (0.6–159)

21.4 (1–70)

33.4 (5–159)

19.5 (3–47)

6.8 (1–12)

23.1 (0.6–102)

24.8 (13–148)

Mean MSTS score (SD)

24.3 (3.3)

23.2 (3.6)

24.9 (3.4)

23.9 (3.3)

24.8 (3.3)

25.3 (2.5)

25.6 (2.6)

Complications, n (%)

18 (16.1)

8 (21)

3 (10.3)

2 (15.4)

0

4 (18.2)

1 (20)

Reoperation, n (%)

7 (6.3)

2 (5.3)

1 (3.4)

2 (15.4)

0

1 (4.5)

1 (20)

Prosthetic survival endpoint, n (%)

10 (8.9)

3 (7.9)

2 (6.9)

2 (15.4)

0

2 (9.1)

1 (20)

Dead, n (%)

59 (52.7)

26 (68.4)

15 (51.7)

5 (38.5)

1 (20)

11 (50)

1 (20)

  1. SD, standard deviation.