title: Limping in a 12-year-old boy.
mesh_terms: D001859:Bone Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging / Q000473:pathology*; D002648:Child; D005269:Femur / Q000000981:diagnostic imaging* / Q000473:pathology*; D020233:Gait Disorders, Neurologic / Q000000981:diagnostic imaging / Q000209:etiology* / Q000473:pathology*; D006801:Humans; D008297:Male; D010017:Osteoma, Osteoid / Q000150:complications* / Q000000981:diagnostic imaging / Q000473:pathology*; D011859:Radiography