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Collet-Sicard syndrome

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Collective term comprising infectious disorders associated with encephalitis epidemica. Involvement of the ninth, tenth, eleventh, and twelfth cranial nerves produces paralysis of the vocal cords, palate, trapezius muscle, and sternocleidomastoid muscle; secondary loss of the sense of taste in the back of the tongue, and anaesthesia of the larynx, pharynx, and soft palate.

Collet in 1915 described the syndrome as «glossolaryngoscapulopharyngeal hemiplegia», Sicard in 1917 as the «syndrome of the condyloposterior lacerated foramen». It is a variant of the Villaret syndrome, unaccompanied by the Horner syndrome.


  • F. J. Collet:
    Sur un nouveau syndrome paralytique pharyngo-laryngé par blessures du guerre (hemiplegia glosso-laryngo-scapulo-pharyngée).
    Lyon médical, 1916, 124: 121-129.
  • J. A. Sicard:
    Syndrome du carrefour condylo-déchiré posterieur (type pur de paralysie des quatre derniers nerfs craniens).
    Marseille médical, 1916-1917, 53: 385-397.

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