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Table 1 Clinical information of cases with dedifferentiated chondrosarcoma

From: Clinical outcome for patients with dedifferentiated chondrosarcoma: a report of 9 cases at a single institute

Case

Age/Sex

Location

Term of symptom

Extraskeletal extension

Chemotherapy

Surgical margin

Local recurrence (time from surgery)

Time to lung metastasis

Outcome

#1

53/F

Femur

9 m

+

-

WR

-

Initial

DOD (3.4 m)

#2

37/F

Tibia

2 m

+

+

WR

+ (10 m)

9 m

DOD (14.1 m)

#3

71/M

Pelvis

24 m

+

-

IR

-

Initial

DOD (5.0 m)

#4

59/M

Humerus

40 m

+

+

WR

+ (2 m)

4 m

DOD (10 m)

#5

54/F

Pelvis

3 m

+

+

MR

-

Initial

DOD (9.1 m)

#6

71/F

Femur

3 m

+

-

WR

-

15 m*

DOD (18.8 m)

#7

44/M

Femur

2 m

+

+

WR

-

10 m

DOD (14.0 m)

#8

73/M

Femur

1 m

+

-

WR

-

Initial

DOD (6.7 m)

#9

86/F

Femur

1 m

+

-

-

NA

Initial

DOD (5.0 m)

  1. F, female; M, male; PD, progressive disease; WR, wide resection; IR, intralesional resection; MR, marginal resection; M, months; NA, not assessed; *, as well as bone metastasis; DOD, died of disease.