Karroum et al

Diaz Cascajo et al

Diaz Cascajo et al

Berzel et al

Choy et al

Current case

Age and sex

54 years male

51 years female

78 years male

51 years male

65 years male

66 years male

Duration

6 years

3 years

Many years

Several months

12 months

Many years

Location

back

thigh

back

Chest wall

Cheek and neck

Flank

Follow up

Not available

No recurrence or metastases at 4 years

No recurrence or metastases at 21 months

No metastases Recurrence after 6 years (previous incomplete excision)

Not available. No metastases at presentation

 Not available.

Immunohistochemistry

SMA +

Desmin -

SMA +

Desmin +

SMA +

Desmin -

SMA +

MSA +

h-caldesmon +

Desmin + (weak and focal)

SMA +

MSA HHF-35 +

Desmin +

SMA +

Heavy chain myosin +

Desmin +

Treatment

Complete excision with free margins

Complete excision with free margins

Wide local excision

Wide local excision +

adjuvant radiation

Wide local excision