n SA Journal of Radiology - The role of imaging in the evaluation of extraskeletal Ewing's sarcoma : case series




Primary bone tumours account for 5% of all adolescent and child cancers. When Ewing's sarcoma arises in soft tissue rather than bone, it is referred to as extraskeletal Ewing's sarcoma (ESS). Computed tomography (CT) scanning and magnetic resonance imaging (MRI) features of Ewing's sarcoma are non-specific, and a radiological differential diagnosis should be considered. Ewing's sarcoma is confirmed by features on histological analysis. In young people who present with soft-tissue tumours, ESS should be considered. In the management of patients with tumours, imaging techniques are useful for biopsy guidance, evaluating the possibility of resection, and tumour response to treatment.


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