Dear Editor,Sarcomas represent a heterogenous group of tumors accounting for about 1%of cancer in adults and 15%in children[1].However,despite adequate locoregional treatment,up to 40%of patients develop metastatic di...Dear Editor,Sarcomas represent a heterogenous group of tumors accounting for about 1%of cancer in adults and 15%in children[1].However,despite adequate locoregional treatment,up to 40%of patients develop metastatic disease.Drugs used in the advanced setting have very limited efficacy,with a response rate of<10%and progression-free survival of<4 months and are mainly used for palliative purposes[1].It is,therefore,important to monitor individual therapy responses to avoid inefficient therapy and unnecessary toxicity.Such monitoring is currently based on repeated CT imaging which may represent an important burden for patients with advanced disease[2].展开更多
文摘Dear Editor,Sarcomas represent a heterogenous group of tumors accounting for about 1%of cancer in adults and 15%in children[1].However,despite adequate locoregional treatment,up to 40%of patients develop metastatic disease.Drugs used in the advanced setting have very limited efficacy,with a response rate of<10%and progression-free survival of<4 months and are mainly used for palliative purposes[1].It is,therefore,important to monitor individual therapy responses to avoid inefficient therapy and unnecessary toxicity.Such monitoring is currently based on repeated CT imaging which may represent an important burden for patients with advanced disease[2].