Open AccessEpicrania Fugax with Sagittal Trajectory of the Pain
Author(s) -
de la Cruz Carolina,
HerreroVelázquez Sonia,
Ruiz Marina,
Pedraza María I.,
Mulero Patricia,
Barón Johanna,
Guerrero Ángel L.,
Cuadrado María L.
Publication year - 2015
Publication title -
pain medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.893
H-Index - 97
eISSN - 1526-4637
pISSN - 1526-2375
DOI - 10.1111/pme.12698
Subject(s) - medicine , headaches , international classification of headache disorders , primary headache , referred pain , scalp , anesthesia , hypesthesia , cervicogenic headache , surgery , migraine
Dear Editor,Epicrania fugax (EF) was first described by Pareja et al in 2008 ⇓. It has been recently included in the Appendix of the 3rd edition of The International Classification of Headache Disorders (ICHD-III, beta version) ⇓. It is characterized by ultrabrief paroxysms of unilateral pain spreading from the posterior scalp to the ipsilateral eye or nose, along a linear or zigzag trajectory, and lasting less than 10 s. Pain intensity can be moderate or severe, and pain quality has been described as electric or stabbing. Autonomic symptoms can be present. Pain frequency is extremely variable and most attacks are spontaneous, but some of them can be provoked by tactile stimulation. Between paroxysms, mild pain or hyperesthesia could remain in the stemming area but complete disappearance of pain is also possible ⇓.As the first description of EF, there have been several publications supporting this new entity. A total of 66 cases have been reported up to now, 48 of them sharing the original forward radiation. Conversely, a backward radiation from frontal or periorbital areas toward the occipital region has been described in 18 cases ⇓. Pain paroxysms are strictly unilateral, although some patients have shifting sides ⇓. Associations with other headaches, mainly nummular …