CAMRT Radiography Practice Exam

Which of the following conditions is often associated with localized pain in long bones of children?

1. Osteomyelitis

2. Ewing sarcoma

3. Osteosarcoma

4. Fractures

The correct answer is: Ewing sarcoma

Ewing sarcoma is a type of cancer that primarily affects children and adolescents and is known for causing localized pain in long bones. This condition develops in the bones or soft tissue, often presenting with symptoms such as persistent pain, swelling, and tenderness in the affected area. The pain is typically worse at night and may be associated with other systemic symptoms like fever and malaise. Localized pain in long bones in children can arise from several conditions, but Ewing sarcoma is particularly significant due to its aggressive nature and the need for immediate diagnosis and treatment. While osteomyelitis can also cause localized pain, it generally presents with more systemic symptoms such as fever and might not be strictly localized to long bones. Osteosarcoma, which is another bone cancer, can cause similar symptoms, but Ewing sarcoma is more common in younger children and has a distinct pattern of pain. Fractures can indeed lead to localized pain, too, but they typically result from trauma, which is a different context compared to the pain arising from a neoplastic process like Ewing sarcoma. Understanding the characteristics of Ewing sarcoma, including the typical demographics and the associated pain presentation, is crucial for differentiating it from other causes of bone pain in pediatric