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The Pediatric Trochlear Migraine: Diagnostic and Therapeutic Implications
Vincenzo Raieli1, Federica Reina2, Daniela D'Agnano3
1Child Neuropsychiatry Unit ISMEP, ARNAS Civico, 90134 Palermo, Italy.
Insights
Trochlear Migraine, a rare headache disorder, involves unilateral migraine and trochleodynia. Successful trochleodynia treatment alleviates migraine symptoms, suggesting a shared origin for these headache syndromes.
Area of Science:
- Neurology
- Headache Medicine
Background:
- Trochlear Migraine is a recently described condition characterized by unilateral migraine and ipsilateral trochleodynia.
- This disorder is infrequently recognized, particularly in pediatric populations.
- It has been conceptualized as a
- cluster-tic syndrome
- or
- seizure-triggered migraine
- .
Purpose of the Study:
- To review existing literature on Trochlear Migraine.
- To present and analyze cases of Trochlear Migraine from clinical experience.
Main Methods:
- Literature review of reported Trochlear Migraine cases.
- Retrospective analysis of clinical cases presenting with trochlear pain and migraine features.
Main Results:
- Observed cases exhibited recurrent severe, pulsating headaches with typical migraine symptoms (nausea, vomiting, phonophobia, photophobia).
- Pain was strictly localized to the trochlear region, sometimes alternating sides.
- Successful treatment of trochleodynia led to migraine relief.
Conclusions:
- The term
- Trochlear Migraine
- should be reserved for migraine attacks with strict trochlear localization.
- The increasing recognition of new primary headache syndromes may stem from common underlying pathophysiological mechanisms.
- Trochlear Migraine highlights the complex interplay between cranial nerves and migraine pathways.
Abstract:
Trochlear Migraine has been recently described as the concurrence of strictly unilateral migraine and ipsilateral trochleodynia with relief of migraine after successful treatment of trochleodynia. This disorder has been interpreted as "cluster-tic syndrome" or "seizure-triggered migraine". Trochlear Migraine is unrecognized and rarely described in childhood. The aim of this study is to review the few cases of Trochlear Migraine reported in the literature in addition to the cases observed in our clinical experience. In particular, our cases showed recurrent attacks of severe and pulsating headache associated with nausea, vomiting, phonophobia, photophobia, and strict trochlear localization of pain. They often presented with alternating side attacks. Therefore, we suggest that the term "Trochlear Migraine" should be reserved for clinical migraine attacks strictly localized in the trochlear region, and we assume that the excessive increase in descriptions of new primary headache syndromes, according to the International Classification of Headache Disorders, can be probably be ascribed to the common physiopathological mechanisms characterizing these forms of migraine.
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