Retropharyngeal abscess from an unusual organism-Kingella denitrificans-in a patient on low-dose methotrexate

Divya M. Rajanna, Jaiganesh Manickavasagam (Lead / Corresponding author), Linda Jewes, Ruth Capper

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    3 Citations (Scopus)

    Abstract

    Retropharyngeal abscess can be a life-threatening emergency with potential for airway compromise. We report a case of retropharyngeal abscess caused by Kingella denitrificans in a 66-year-old Caucasian man taking low-dose methotrexate for psoriatic arthritis. K denitrificans has not been previously reported as a cause of retropharyngeal abscess. K denitrificans, along with other Kingella species, is often found to be part of the normal upper respiratory tract flora. Potentially life-threatening complications of retropharyngeal abscess can occur in immunocompromised patients. Although complications of immunosuppression are thought to be rare with the use of low-dose pulse methotrexate for non-neoplastic conditions, such complications with prolonged use of low-dose pulse methotrexate may be seen.

    Original languageEnglish
    Pages (from-to)E15-E17
    Number of pages3
    JournalEar, Nose and Throat Journal
    Volume90
    Issue number7
    DOIs
    Publication statusPublished - 1 Jul 2011

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