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Citation:
Di Muzio B, Amer M, Sharma R, et al. Grades of periventricular leukomalacia. Reference article, Radiopaedia.org (Accessed on 21 May 2024) https://doi.org/10.53347/rID-12860
One of the methods used for grading periventricular leukomalacia on sonographic appearance is as follows 1 :
grade 1: areas of increased periventricular echogenicity without any cyst formation persisting for more than 7 days
grade 2: the echogenicity has developed into small periventricular cysts
grade 3: areas of increased periventricular echogenicity, that develop into extensive periventricular cysts in the occipital and frontoparietal region
grade 4: areas of increased periventricular echogenicity in the deep white matter developing into extensive subcortical cysts
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1. Chao C, Zaleski C, Patton A. Neonatal Hypoxic-Ischemic Encephalopathy: Multimodality Imaging Findings. Radiographics. 2006;26 Suppl 1(suppl_1):S159-72. doi:10.1148/rg.26si065504 - Pubmed
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