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1 results

  • A rare cause of Horner syndrome

  • D Costello, J Salmon, C Milford, P Pretorius
  • Journal:
    The Journal of Laryngology & Otology / Volume 124 / Issue 8 / August 2010
    Published online by Cambridge University Press:
    06 January 2010, pp. 925-927
    Print publication:
    August 2010
  • Objectives:

    To demonstrate the importance of thorough investigation of patients with Horner syndrome, and to explain the relevant anatomy.

    Case report:

    A 46-year-old man presented with right-sided Horner syndrome. No other abnormality was found. Magnetic resonance imaging showed calcification of the stylohyoid ligament, with a pseudoarthrosis in the mid-portion of the ligament. This pseudoarthrosis was displacing and compressing the internal carotid artery and the adjacent sympathetic chain, causing Horner syndrome.

    Conclusion:

    In this case, magnetic resonance imaging was invaluable in elucidating the cause of the Horner syndrome. This is the first described case of pseudoarthrosis of a calcified stylohyoid ligament causing Horner syndrome.