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Case No. 468
2018-01-01~2018-01-31
출제자 : 박지은
Hit : 232
| Period | 2018-01-01~2018-01-31 |
|---|---|
| Diagnosis | radiation induced sarcoma (RIS) |
| Clinical information | 24/F Palpable mass at right auricular area. 1세 이전에 우안 retinoblastoma치료 후 얼굴이 비 대칭적으로 자란 과거력 |
| Discussion | The generally accepted criteria of RIS proposed by Cahan and modified by Arlen et al are: 1. 1) treatment with therapeutic irradiation at least three years prior to development of sarcoma 2. 2) a sarcoma arising within the field of previous therapeutic irradiation 3. 3) differing histology between the sarcoma and the primary tumor that required radiotherapy RIS constitutes 2.5–5.5% of all sarcomas Post-radiotherapy 10-year cumulative risk: 0.03–0.8% Median interval between 10 and 20 years Prognosis: poor compared to other sarcomas |
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