Table 2 Detailed clinical information of malignant and intermediate malignant tumors of the foot and ankle (N = 15)

Intermediate

Bone

Desmoplastic fibroma

24/M

Hindfoot

Wide excision

Ankle arthrodesis using intramedullary nail with pedicled fibula transfer

-

39

CDF

81

50

Soft tissue

Desmoid

20/M

Lesser toe

Intratumoral excision

 → 

Below-knee amputation

-

Chemo-therapy

45

AWD

9

-

Synovial chondromatosis with cytological atypia

50/F

Lesser toe

Trans-metatarsal amputation

-

-

24

CDF

69

-

Malignant

Bone

Metastasis from lung squamous cell carcinoma

68/M

Hindfoot

Wide excision

Ankle arthrodesis using intramedullary nail with pedicled fibula transfer

Chemo-therapy

6

DOD

2

-

Leiomyosarcoma

34/M

Hindfoot

Wide excision

 → 

Below-knee amputation

Ankle arthrodesis using intramedullary nail with pedicled fibula transfer

Chemo-therapy

73

DOD

45

-

Leiomyosarcoma

27/F

Hindfoot

Wide excision

Ankle arthrodesis using intramedullary nail with pedicled fibula transfer

Chemo-therapy

43

AWD

58

33

Osteosarcoma

20/M

Lesser toe

MTP disarticulation

-

Chemo-therapy

82

CDF

59

-

Osteosarcoma

18/M

Hindfoot

Wide excision

Ankle arthrodesis using screws

Chemo-therapy

70

CDF

75

59

Soft tissue

Alveolar rhabdomyosarcoma

18/F

Lesser toe

Wide excision

Tendon transplant

Chemo-therapy,

Radiation

18

CDF

70

70

Alveolar soft part sarcoma

14/M

Hindfoot

Wide excision

-

-

36

CDF

84

74

Atypical fibrous histiocytoma

57/F

Lesser toe

Below-knee amputation

-

-

48

CDF

58

-

Leiomyosarcoma

73/F

Hindfoot

Wide excision

Pedicled flap

and skin graft

-

48

CDF

100

100

Myxoinflammatory fibroblastic sarcoma

62/F

Hallux

Amputation

at 1st metatarsal

-

-

74

CDF

87

-

Synovial sarcoma

86/F

Lesser toe

Chopart disarticulation

-

-

11

DOD

90

-

Synovial sarcoma

14/F

Lesser toe

Wide excision

Tendon transplant

Chemo-therapy

53

CDF

74

90