Grade 3 Periventricular Leukomalacia, AE

**Semantic type:** Finding

**Definition:** An adverse event in a newborn characterized by periventricular echodensities, evolving in to extensive cystic periventricular lesions; or densities extending in to the deep white matter.

**Synonyms:** - Grade 3 Periventricular Leukomalacia - Grade 3 Periventricular Leukomalacia, Adverse Event