Magnetic resonance imaging study cannot individually distinguish individuals with mild cognitive impairment, mild Alzheimer's disease, and normal aging.

Objective: To evaluate the volumetric and spectroscopy aspects of hippocampus in patients with mild Alzheimer's disease (AD) and mild cognitive impairment (MCI).

Methods: A series of patients older than 65 years and with memory deficit were studied.

Results: The evocation of words test presented a significant reduction in the number of words recalled by the patients with MCI and mild AD as compared with the control group.

Mesial temporal lobe epilepsy: clinical and neuropathologic findings of familial and sporadic forms.

Purpose: To evaluate the clinical and hippocampal histological features of patients with mesial temporal lobe epilepsy (MTLE) in both familial (FMTLE) and sporadic (SMTLE) forms.

Methods: Patients with FMTLE (n = 20) and SMTLE (n = 39) who underwent surgical treatment for refractory seizures were studied at the University of São Paulo School of Medicine at Ribeirão Preto. FMTLE was defined when at least two individuals in a family had clinical diagnosis of MTLE.

Cluster headache attacks in a woman previously struck by lightning: pathophysiology of the latent period.

Background: Cases of patients who developed cluster headache-like symptoms after different putative causes have been reported, indicating a direct relationship between brain lesion and this particular type of headache. Long term, delayed, neurological sequelae after lightning have also been described.

Case Report: We describe the case of a woman who, at the age of 10, was struck by lightning.

Computed tomography scan of the head in patients with migraine or tension-type headache.

A retrospective study was performed in order to evaluate the frequency of abnormalities found by computed tomography (CT) scan of the head in 78 patients with migraine or tension-type headache. In the present study CT scan was normal in 61.5% of the patients with migraine or tension-type headache.