Calcium pyrophosphate dihydrate crystal deposition disease and MRSA septic arthritis of the atlantoaxial joint in a patient with Tourette syndrome.

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.