Cluster and other trigeminal autonomic cephalalgias

Anna S Cohen

in Migraine and other Primary Headaches

Published on behalf of Oxford University Press

ISBN: 9780199545148
Published online May 2011 | e-ISBN: 9780199607242 | DOI:

Series: Oxford Pain Management Library

Cluster and other trigeminal autonomic cephalalgias

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• Trigeminal autonomic cephalalgias (TACs) are characterized by attacks of severe unilateral pain and accompanying ipsilateral cranial autonomic features. • Attacks of paroxysmal hemicrania (PH) and SUNCT (short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing) are more frequent and shorter than in cluster headache (CH). • In CH, the episodic form prevails; in other TACs, the chronic form is more common. • Characteristic triggers for attacks include alcohol for CH, and cutaneous triggers for SUNCT. • All TACs are generally primary syndromes, but underlying lesions such as pituitary tumours and posterior fossa lesions must be excluded. • Brain magnetic resonance imaging is the recommended investigation for all new diagnoses of TAC.

Chapter.  3278 words.  Illustrated.

Subjects: Clinical Medicine

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