Which physical findings are characteristic of Tolosa-Hunt syndrome (THS)?

Updated: Nov 05, 2018
  • Author: Danette C Taylor, DO, MS, FACN; Chief Editor: Tarakad S Ramachandran, MBBS, MBA, MPH, FAAN, FACP, FAHA, FRCP, FRCPC, FRS, LRCP, MRCP, MRCS  more...
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Answer

See the list below:

  • Painful ophthalmoparesis or ophthalmoplegia is the hallmark of this syndrome.

  • In addition to the optic and trigeminal nerves (V1, rarely V2 distribution), any of the ocular motor nerves may be involved. The oculomotor and abducens nerves are most commonly affected. Evidence of incomplete third nerve palsy with or without pupillary sparing may be present. Conversely, inflammatory involvement of the sympathetic nerves passing through the interior of the cavernous sinus may produce Horner syndrome with miosis. The combination of unilateral oculomotor palsy and Horner syndrome increases the localization specificity for the cavernous sinus.

  • Ptosis may be observed related to oculomotor palsy. Lid swelling is more likely to occur with orbital disease rather than inflammation limited to the cavernous sinus. These changes have been misdiagnosed as a complication of sinusitis, as reported by Lachanas et al. [3]

  • Mild proptosis and/or optic disc edema may be noted if the orbit is involved.

  • Evidence of trigeminal nerve involvement is suggested by loss of the ipsilateral corneal reflex.

  • The International Headache Society criteria for Tolosa-Hunt syndrome [4, 5] include the following:

    • Episode(s) of unilateral orbital pain for an average of 8 weeks if left untreated

    • Associated paresis of the third, forth, or sixth cranial nerves, which may coincide with onset of pain or follow it by a period of up to 2 weeks

    • Pain that is relieved within 72 hours of steroid therapy initiation

    • Exclusion of other conditions by neuroimaging and (not compulsory) angiography


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