Pain Research and Management

Pain Research and Management / 2015 / Article

Case Report | Open Access

Volume 20 |Article ID 567072 | 3 pages | https://doi.org/10.1155/2015/567072

Atypical Nummular Headache or Circumscribed Migraine: The Utility of Pressure Algometry

Abstract

A peripheral mechanism has been proposed for nummular headache; however, there have been descriptions of atypical features resembling migraine. The authors describe a case in which algometry assessment facilitated the discrimination between atypical nummular headache and circumscribed migraine. A 21-year-old woman presented with a history of focal episodic pain in a circumscribed area on the left frontal region. The algometry study showed a unilateral and diffuse decrease of the pain pressure thresholds with frontal predominance, as has been proposed for migraine patients. This result led the authors to introduce a more specific preventive therapy with topiramate, with significant relief. In conclusion, cartographic investigation of pressure pain sensitivity is a simple tool that can help to differentiate between nummular headache and migraine. Further confirmatory investigations are needed.

Copyright © 2015 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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