Research Article
Localized Angiosarcoma, Not One Disease: A Retrospective Single-Center Study on Prognosis Depending on the Primary Site and Etiology
Table 1
Patient characteristics for the cohort of localized angiosarcomas.
| | N | % |
| Follow-up time | Median follow-up time: 19.1 months (0.1–428.0 months) | 136 | |
| Age | Median age: 67 years (19–72.8 years) | 136 | | <70 years | 78/136 | 57.4 | ≥70 years | 58/136 | 42.6 |
| Sex | Female | 81/136 | 59.6 | Male | 55/136 | 40.4 |
| Tumor size | ≤5 cm | 50/136 | 36.8 | >5 cm | 19/136 | 14.0 | ≥10 cm | 21/136 | 16.2 | Unknown | 45/136 | 33.1 |
| Etiology | Primary | 76/136 | 55.9 | Postradiation | 55/136 | 40.4 | Chronic lymphedema | 4/136 | 2.9 | Unknown | 1/136 | 0.7 |
| Localization | Cutaneous (i) Head and neck (ii) Others | 37/136 25/136 12/136 | 27.2 18.4 8.8 | Breast | 52/136 | 38.2 | Others (deep tissue) (i) Abdomen (ii) Thorax (iii) Limbs (iv) Others | 47/136 15/136 9/136 16/136 7/136 | 34.6 11.0 6.6 11.8 5.1 |
| Lymph node | N0 | 87/136 | 64.0 | N1 | 8/136 | 5.9 | Nx | 41/136 | 30.1 |
| Margin status | R0 | 65/136 | 47.8 | R1 | 26/136 | 19.1 | R2 | 4/136 | 2.9 | Rx | 23/136 | 16.9 | No surgery | 18/136 | 13.2 |
| Treatment | Only surgery | 69/119 | 58.0 | Perioperative therapy | 50/119 | 42.0 |
| Metachronous metastasis | All | 45/136 | 33.1 | Cutaneous | 12/136 | 8.8 | Breast | 15/136 | 11.0 | Others (deep tissue) | 19/136 | 14.0 |
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