Annals of Indian Academy of Neurology
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CASE REPORT
Year : 2013  |  Volume : 16  |  Issue : 2  |  Page : 226-228

Nummular headache and pituitary lesion: A case report and literature review


1 Department of Neurosurgery, Paochien Hospital, Pingtung, Taiwan
2 Department of Neurology, Kaohsiung Chang Gung Memorial Hospital, and College of Medicine, Chang Gung University, Kaohsiung, Taiwan
3 Department of Pathology, Faculty of Clinical Forensic Medicine, Kaohsiung Medical University Hospital, and College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan

Correspondence Address:
Hsin Ling Yin
Department of Pathology, Faculty of Clinical Forensic Medicine, Kaohsiung Medical University Hospital, 100 Tzyou, 1st Road, San-Min District, Kaohsiung City 833
Taiwan
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-2327.112475

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Nummular headache (NH) is a newly categorized headache disorder characterized by a consistent clinicographics in each attack. Currently, it is considered as a primary headache disorder due to epicranial neuralgia but the pathomechanism is still unknown. We report a woman, whose recurrent NH subsided after trans-sphenoidal surgery for her pituitary oncocytoma. The recovery of NH in this patient encourages the central mechanism for NH occurrence. After a review of literature concerning, NH and intracranial secondaries we propose that central NH is a referral pain from pain-sensitive structures, such as meninges, superimposing by pre-existing lower pain threshold or pain modulation.


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