PT - JOURNAL ARTICLE AU - Perkins, Alexandra AU - Stevens, Anne AU - Ferguson, Polly M. AU - Zhao, Yongdong TI - Urinary N-telopeptide as a Biomarker of Disease Activity in Patients with Chronic Nonbacterial Osteomyelitis Who Have Not Received Bisphosphonates AID - 10.3899/jrheum.191098 DP - 2020 Oct 01 TA - The Journal of Rheumatology PG - jrheum.191098 4099 - http://www.jrheum.org/content/early/2020/09/28/jrheum.191098.short 4100 - http://www.jrheum.org/content/early/2020/09/28/jrheum.191098.full AB - Chronic nonbacterial osteomyelitis (CNO) is a rare autoinflammatory disease that causes bone destruction, soft tissue swelling, and bone pain1. Diagnosis and treatment are hindered by a lack of a reliable laboratory test to assess disease activity. Bone inflammation in CNO is associated with increased osteoclastic activity and bone resorption, causing focal accelerated breakdown of bone collagen.