CLASSIFYING PRIMARY OSTEOSARCOMAS ACCORDING TO 2013 WORLD HEALTH ORGANISATION’S CLASSIFICATION OF TUMOURS OF SOFT TISSUE AND BONE AND EVALUATING RELATIONSHIPS WITH SURVIVAL PROBABILITY
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Abstract
Objectives: Classifying primary osteosarcomas according to the 2013 World Health Organisation classification of tumours of soft tissue and bone and evaluating relationships with survival probability. Subjects and methods: A retrospective and prospective study was performed in 123 patients with primary osteosarcoma and treated in K hospital. Results: 123 patients with primary osteosarcomas: high-grade subtypes were prominent with the percentage of 98.37% of all. In this group, osteoblastic osteosarcoma was highest with 54.47%. Following by chondroblastic osteosarcoma, fibroblastic osteosarcoma. Low grade osteosarcoma confined to 1,63% (p<0,05). 5 year survival rate was 41,7% (95%CI = 0,33 – 0,54). The relationship between histologic subtypes and survival rates was not statistical significant (p>0,05).
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Keywords
Primary osteosarcoma, histology subtypes, survival rate
References
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