室管下区(生发基质)脑室内出血(IVH),患者为28孕周的早产儿。在发育期间，生发基质易出现这样的损害，使得IVH成为早产的并发症。
This is intraventricular hemorrhage (IVH) which arose in the subependymal region (germinal matrix) of a 28 week gestational age newborn. The germinal matrix region is very susceptible to such lesions at this period of development, leading to IVH as a complication of prematurity.