Papile-Burstein classification

Intraventricular hemorrhage

Grade 1

Small bleeding in the subependymal germinal matrix

Grade 2

Extension of blood in < 50% of the ventricular system

Grade 3

Extension of blood in > 50% of the ventricular system

Grade 4

Periventricular venous infarction that occurs with obstruction of blood flow through the periventricular terminal vein

Reference

Handbook of Pediatric Neuropsychology. Ed. Andrew Davis. Springer Publishing Company, 2010.