Highlights a rare presentation of extraskeletal Ewing's sarcoma as massive pulmonary tumour embolism.
May raise suspicion for extraskeletal Ewing's sarcoma in pulmonary tumour embolism; leaves open incidence and management questions.
Small round cell tumours with the morphologic characteristics of Ewing's sarcoma arise rarely in soft tissues of the extremities, retroperitoneum, chest and orbit. Patients usually present with symptoms arising from the swelling at the primary site. We report on a patient with a retroperitoneal extraskeletal Ewing's sarcoma who presented with massive tumour embolism to the pulmonary vasculature. To our knowledge, this is the first report of extraskeletal Ewing's sarcoma presenting with pulmonary tumour embolism.
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Chang et al. (1996) studied this question.
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