Commentary.

The article provides information about strokes. Stroke is an important pediatric illness and is one of the top ten causes of childhood death. At least two-thirds of children affected by ischaemic stroke have residual impairments spanning many domains of function and up to a fifth of them have a recurrence. Epidemiological studies have established that as many children are affected by stroke as by brain tumor. However, the collaborative networks established for the study and treatment of pediatric malignancies are only now evolving in the field of childhood stroke. The article also provides information about several types of strokes.