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Analysis of institutional authors

Penas, CfdlAuthorNieto, CAuthor

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September 27, 2022
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Nummular headache with trophic changes inside the painful area

Publicated to:Cephalalgia. 28 (2): 186-190 - 2008-02-01 28(2), DOI: 10.1111/j.1468-2982.2007.01490.x

Authors: Pareja, J A; Cuadrado, M L; Penas, C Fernandez-de-las; Nieto, C; Sols, M; Pinedo, F

Affiliations

Fdn Hosp Alcorcon, Dept Anaesthesiol, Madrid, Spain - Author
Fdn Hosp Alcorcon, Dept Dermatol, Madrid, Spain - Author
Fdn Hosp Alcorcon, Dept Pathol, Madrid, Spain - Author
Fdn Hosp Alcorcon, Serv Neurol, Dept Neurol, Madrid 28922, Spain - Author
Rey Juan Carlos Univ, Fac Hlth Sci, Lab Esthesiol, Madrid, Spain - Author
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Abstract

Nummular headache (NH) is a primary disorder characterized by chronic pain that is exclusively felt in a small area of the head surface. We describe five patients with circumscribed head pain and sensory dysfunction consistent with NH, who in addition developed colocalized trophic changes. All of them had a round or oval patch of skin depression (1-2 cm in diameter) inside of the painful area (2-4.5 cm in diameter). Three of them also showed hair loss, reddish colour, and local increased temperature. Skin biopsies were performed in three patients, and were not specific for any particular dermatological disease. Local trophic changes may be a clinical feature of NH. Together with pain and sensory disturbances, they could represent a restricted form of complex regional pain syndrome. This should be taken as a possible evolution of the underlying morbid process of NH.

Keywords

AdultAgedArticleBody temperatureBody temperature disorderClassificationClinical articleClinical featureComplex regional pain syndromesControlled studyErythemaFemaleHairHair lossHeadHeadacheHumanHumansMaleMiddle agedNammular headacheNummular headacheSensation disordersSensory dysfunctionSkin biopsySkin depressionSkin diseaseTrophic changes

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Cephalalgia due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2008, it was in position 25/156, thus managing to position itself as a Q1 (Primer Cuartil), in the category Clinical Neurology.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 7.79, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: Dimensions Aug 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-08-05, the following number of citations:

  • WoS: 41
  • Scopus: 42

Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-08-05:

  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 27 (PlumX).

Leadership analysis of institutional authors

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author () and Last Author ().

the author responsible for correspondence tasks has been .