CRP and inflammatory bowel disease: As mentioned initially, elevated inflammation markers were noticed in an adolescent with CRMO and acute presentation of inflammatory bowel disease (C-reactive protein, 13.9 mg/dl; ESR, 40 mm/hour; ferritin, 117 μg/l), and in patients with large numbers of radiological inflammatory bone lesions, especially with involvement of the spine or diaphyses of long bones.