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. 2023 May 1;66(3):239–246. doi: 10.3340/jkns.2022.0277

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Copyright © 2023 The Korean Neurosurgical Society

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 2. — Cystic degeneration of grade II germinal matrix and intraventricular hemorrhage (GM-IVH) in preterm infant (gestational age gestational age 26+2 weeks). Coronal (A) and right parasagittal (B) scans of cranial ultrasound show heterogeneous hematoma (arrow) at caudothalamic groove with cystic degeneration (arrow). C and D : Magnetic resonance imaging at term-equivalent age, 4 months later. Axial T2-weighted image (C) shows cysts with low signal intensity rim (white arrows) at bilateral caudothalamic groove and low signal intensity along bilateral choroid plexus (black arrows) indicate previous hemorrhage. Susceptibility-weighted imaging (D) shows linear dark signal intensity (black arrows) along wall of bilateral occipital horns of lateral ventricles, indicating minimal IVH, not detectable at cranial ultrasound.