[Primary stabbing headache: clinical characteristics and response to treatment in a series of 67 patients].

Introduction: Primary stabbing headache (PSH) is defined by the presence of short stabbing pains in the first branch of the trigeminal nerve. According to population-based studies, it is very prevalent, but most cases present stabbing pains with low frequencies and intensities that do not lead the patient to seek medical attention.

Aims: We report on 67 cases of PSH attended in the headache service of a tertiary hospital.

[Epicrania fugax: the clinical characteristics of a series of 18 patients].

Introduction: Epicrania fugax is a recently reported condition consisting in brief painful paroxysms that begin in the posterior regions of the brain and irradiate towards the ipsilateral eye, nose or temple.

Aims: To present 18 cases of epicrania fugax from a monographic headache centre in a tertiary hospital and to analyse their demographic and clinical features, as well as the indication and response to prophylactic treatment.

Patients And Methods: Between March 2008, when epicrania fugax was first reported, and March 2011, of a total of 1210 patients who were attended in that service (1.

[Encephalitis due to antibodies against the NMDA receptor. A case report of a female patient with no associated tumour and a literature review].

Introduction: A severe form of acute encephalitis associated to antibodies against the N-methyl D-aspartate (NMDA) receptor has recently been reported. This clinical picture occurs in young people, not always with an underlying tumour and, despite the initial severity, if identified and treated at an early stage, complete recovery without any kind of sequelae can be achieved. We report on a new case and review the body of knowledge currently available on this recently identified condition.