This is single institution cases series review of histological and clinical data
Investigators will retrieve from the database of the Rizzoli institute all the cases with a histological diagnosis of Ewing sarcoma from 01 Jan 1982 to 31 Dic 2012
Study Type
OBSERVATIONAL
Enrollment
474
The aim of the present study is to evaluate which is the best scoring tool to determine the histological response to chemotherapy in localized Ewing sarcoma of bone. The study will exam all the different systems to evaluate the histological necrosis after neo-adjuvant chemotherapy in all patients with localized Ewing sarcomas of bone surgically treated between 1982 and 2012.
Dept. of Pathology of IRCCS Istituto Ortopedico Rizzoli
Bologna, Italy
retrospective analysis of cases of Ewing sarcomas
Investigators will exam the histological response to chemotherapy in localized Ewing sarcoma of bone and correlate it to clinical outcome.
Time frame: at baseline (Day0)
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