4th most common malignant bone tumor
2nd most common malignant bone tumor in pediatric age, most occur between 3 and 25 years (13 years average)
Female predilection - 2:1
Ribs:
10% occur in ribs
Propensity to spread inward towards thoracic cavity
May invade mediastinum, pericardium, diaphragm, spinal canal
Lytic or sclerotic or mixed
References:
Coombs RJ et al. Pediatric Case of the Day. Radiographics. 1999;19:241-244
