Table 1. Clinical features and treatment outcome.
| Patient | Age | Origin | Subtypea | Localizationb | Treatmentc | Resultd | Recurrence |
| P1 | 44 | Italy | immune | lower legs | sirolimus | PR | - |
| P2 | 87 | Germany | classic | lower legs | IFNα | SD | - |
| P3 | 76 | Romania | classic | lower legs | Rx, IFNα | SD | - |
| P4 | 70 | Germany | immune | lower legs | Rx, IFNα | CR | - |
| P5 | 59 | Turkey | classic | extremities | excs. | CR | multiple |
| P6 | 69 | Italy | classic | lower leg | No need | - | - |
| P7 | 48 | Egypt | immune | lower legs | excs. | CR | multiple |
| P8 | 78 | Germany | classic | extremities, mucosa, LN | Rx, excs. | SD | multiple |
| P9 | 51 | Turkey | classic | foot | excs. | CR | - |
| P10 | 45 | Italy | classic | foot | IFNα | PR | - |
| P11 | 89 | Germany | classic | feet | Rx, excs. | SD | - |
| P12 | 36 | Turkey | immune | extremities | IFNα | CR | - |
| P13 | 69 | Italy | classic | extremities | drop-out | - | - |
| P14 | 71 | Germany | classic | extremities | IFNα | SD | - |
| P15 | 70 | Italy | immune | feet | Rx | PR | - |
| P16 | 68 | Germany | classic | feet | IFNα | CR | multiple |
| P17 | 62 | Turkey | classic | feet | IFNα | CR | - |
| P18 | 70 | Italy | classic | lower leg | IFNα, excs. | CR | - |
| P19 | 79 | Germany | classic | nose | excs. | CR | - |
| P20 | 90 | Germany | classic | lower legs | Rx | CR | - |
Annotations:
a
clinical subtype: immune = iatrogenic immunosuppression;
b
main localization: LN = lymph nodes;
c
treatment: IFN = interferon-α-2a, Rx = radiotherapy, excs. = excision;
d
result: PR = partial response, CR = complete response, SD = stable disease.