{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,28]],"date-time":"2025-08-28T12:16:50Z","timestamp":1756383410164,"version":"3.44.0"},"reference-count":14,"publisher":"BMJ","issue":"3","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2019,2,27]]},"published-print":{"date-parts":[[2019,3]]},"abstract":"<jats:p>A 45-year-old male patient with Tourette syndrome presented to the emergency department with worsening neck pain and stiffness of 1-week duration. Associated symptoms included headache, hoarse voice, trismus and odynophagia. The patient was haemodynamically stable without fevers or leucocytosis. He exhibited cervical spinal and paraspinal tenderness with very limited range of motion. Erythrocyte sedimentation rate and C reactive protein were elevated, and blood cultures grew methicillin-resistant <jats:italic>Staphylococcus aureus<\/jats:italic> (MRSA). Lumbar puncture was unremarkable. CT and MRI of the neck showed calcification of the longus colli, fluid and capsular distention of C1\u2013C2 joints, enhancement of the joint capsule and retropharyngeal oedema suggestive of septic arthritis. Fluid was aspirated from C1 to C2 joint by interventional radiology and showed calcium pyrophosphate crystals and heavy MRSA colonisation, consistent with both pseudogout and septic arthritis of the cervical vertebrae. The patient was started on a 6-week course of daptomycin and showed gradual improvements in neck pain and mobility.<\/jats:p>","DOI":"10.1136\/bcr-2018-228102","type":"journal-article","created":{"date-parts":[[2019,3,23]],"date-time":"2019-03-23T04:06:53Z","timestamp":1553314013000},"page":"e228102","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":3,"title":["Calcium pyrophosphate dihydrate crystal deposition disease and MRSA septic arthritis of the atlantoaxial joint in a patient with Tourette syndrome"],"prefix":"10.1136","volume":"12","author":[{"given":"Edward Nicholas","family":"Northrup","sequence":"first","affiliation":[{"name":"Department of Medicine, University of Illinois College of Medicine at Peoria, Peoria, Illinois, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0842-7159","authenticated-orcid":false,"given":"Benjamin Robert","family":"Pflederer","sequence":"additional","affiliation":[{"name":"Department of Medicine, University of Illinois College of Medicine at Peoria, Peoria, Illinois, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2019,3,22]]},"reference":[{"key":"2025082804424441000_12.3.e228102.1","doi-asserted-by":"crossref","first-page":"65","DOI":"10.1016\/j.jbspin.2016.04.002","article-title":"Combining cytology and microcrystal detection in nonpurulent joint fluid benefits the diagnosis of septic arthritis","volume":"84","author":"Ferreyra","year":"2017","journal-title":"Joint Bone Spine"},{"key":"2025082804424441000_12.3.e228102.2","first-page":"30003","article-title":"Coexistence of septic and crystal-induced arthritis: A diagnostic challenge. 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