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Clinical image: tophus in the sternoclavicular joint

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Footnotes

  • SC and FL are joint first authors.

  • Handling editor Josef S Smolen

  • SC and FL contributed equally.

  • Contributors SC and FL prepared the clinical image and the medical description of the case. All the authors were in charge of the patient during his hospitalisation and provided information on the patient’s evolution. SC, FL, JC, GG and HY discussed the manuscript and contributed to the final version.

  • Funding This study was supported by grants from National Natural Science Foundation of China (82300946), Hainan Provincial Natural Science Foundation of China (822MS207), the Clinical Research Plan of SHDC (SHDC2020CR1017B), Shanghai Municipal Key Clinical Specialty and Shanghai Science and Technology Commission (21Y11910900).

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.