Neuroblastoma masquerading as juvenile idiopathic arthritis

Pediatric Rheumatology for the Primary Care Clinicians-Recognizing Patterns of Disease

“…[145][146][147] A child with neuroblastoma may complain of leg pain, particularly when the tumor is retroperitoneal. 148 Children with osteosarcoma or Ewing's sarcoma also have limb pain and limp.…”