Imaging features of Ewing's sarcoma: Special reference to uncommon features and rare sites of presentation

Abstract

The uncommon observations included incidence in children <5 years (8%) and occurrence in craniofacial bones, spine, scapula, and clavicles and in extraosseous sites such as retroperitoneum, adrenals, or extremity. Uncommon findings included epiphyseal involvement, sclerosis, saucerization, calcification in soft tissue component, and pathological fracture and lesion crossing the joint.