The Ewing sarcoma family of tumors (ESFT) consists of a group of tumors characterized by morphologically similar round-cell neoplasm and by the presence of a common chromosomal translocation. Although rare, such tumors constitute the third most frequent primary sarcoma of bone after osteosarcoma and chondrosarcoma. ESFT most commonly affects young children and adolescents. Because most patients...

We report the ultrasonography (US) and computed tomography (CT) findings of a rare case of extraskeletal Ewing sarcoma involving the left chest wall with a diameter of 4cm in a 5 years old girl. The lesion was heterogenously hypoechoic on sonography with a lobulated smooth contour. On CT, the lesion had central necrotic areas and was enhancing heterogeneously. With these US and CT findings surg...

An Askin-Rosai tumour presenting as effusive constrictive pericarditis is reported. A 2-D echocardiogram was strongly suggestive of a primary pericardial tumour, and multiple pericardial and pleural aspiration failed to yield malignant cells. The final diagnosis was made at autopsy. Primary pericardial Askin-Rosai tumour has not to our knowledge been previously reported.