[Cerebral infarct secondary to carotid artery dissection].

Dissection of the internal carotid artery is an important cause of ischemic stroke in children and young patients. Trauma and/or an underlying structural defect of the arterial wall have been suggested to be predisposing factors. The typical patient presents with ipsilateral headache or neck pain, ipsilateral Horner's syndrome and delayed ischemic symptoms.

[Neonatal meningitis due to Enterococcus spp.: presentation of four cases].

Aim: Enterococci are unusual etiologic agents of bacterial meningitis and account for only 0.3-4% of all cases. Neonatal enterococcal meningitis, which is rarely reported in the medical literature, presents characteristics that are significantly different from enterococcal meningitis affecting other age groups, particularly adults.