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SUNCT syndrome. A clinical review

J A Pareja1, O Sjaastad

  • 1Department of Neurology, Regionsykohuset i Trondheim, Trondheim University Hospitals, Norway.

Headache
|April 1, 1997
PubMed
Summary

Short-lasting unilateral neuralgiform headache attacks (SUNCT) predominantly affect men, presenting as severe orbital pain with autonomic symptoms. Treatment options offer limited relief, highlighting its diagnostic importance.

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Area of Science:

  • Neurology
  • Headache Medicine

Background:

  • Short-lasting unilateral neuralgiform headache attacks (SUNCT) syndrome is a rare primary headache disorder.
  • Characterized by severe, unilateral orbital/periorbital pain with prominent autonomic features.

Purpose of the Study:

  • To review the clinical features of SUNCT syndrome in a cohort of 21 patients.
  • To understand the demographics, attack characteristics, precipitating factors, and treatment responses.

Main Methods:

  • Retrospective review of 21 patients diagnosed with SUNCT syndrome.
  • Analysis of clinical presentation, including pain characteristics, duration, frequency, and associated symptoms.

Main Results:

  • A significant male preponderance (17 men: 4 women) with a mean age of onset around 51 years.
  • Attacks were unilateral, orbital/periorbital, stabbing/burning, lasting 10-300 seconds, with frequent autonomic symptoms (conjunctival injection, tearing, rhinorrhea).
  • Two patients had symptomatic SUNCT with ipsilateral cerebellopontine angle vascular malformations; treatments showed limited efficacy.

Conclusions:

  • SUNCT syndrome typically presents with distinct unilateral orbital pain and autonomic dysfunction.
  • It is crucial in the differential diagnosis of unilateral orbital headaches.
  • Further research into effective treatments is warranted.

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