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Rothia mucilaginosa: a case of septic arthritis in a native knee and review of the literature
  1. Ahmed Daoub1,2,
  2. Hamza Ansari1,
  3. George Orfanos1,2 and
  4. Andrew Barnett1,2
  1. 1Trauma and Orthopaedic Department, Royal Shrewsbury Hospital, Shrewsbury, Shropshire, UK
  2. 2Robert Jones and Agnes Hunt Orthopaedic Hospital NHS Foundation Trust, Oswestry, Shropshire, UK
  1. Correspondence to Mr Ahmed Daoub; ahmeddaoub{at}


Rothia mucilaginosa is a Gram-positive aerobic coccus usually found in the oral and respiratory tract. Septic arthritis is an uncommon condition, but is an orthopaedic emergency. A rare case of knee septic arthritis due to R. mucilaginosa is presented. Patient management and outcomes are discussed, and learning points from this case are outlined to help manage any further cases that may arise.

  • infections
  • trauma
  • bone and joint infections

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  • Contributors AD, HA and GO contributed equally under the supervision of AB.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

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

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