Swelling at nape of neck region in 10 days old child
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There is approximately 3.2 cm sized body defect seen at occipital bone with approx 6.3 (SI) x 2.9 (AP) x 7.8 (TR) cm sized herniated sac noted. There is herniation of occipital lobe, occipital horn of lateral ventricles, fourth ventricle, part of corpus callosum, both cerebellum and surrounding meninges. These represent occipital meningo-encephalocele.
The cerebellar hemisphere is probably disorganized. Multiple patchy areas of T1W hyperintensity seen within the herniated brain parenchyma, which shows blooming seen on GRE images and represent hemorrhage. Linear T1W hyperintensity seen anterior to the medulla measuring 2.0 (TR) x 1.0 (AP) x 2.1 (SI) cm in size, represent hemorrhage. There is widening of upper cervical canal.
There is hyperintense signal seen on the T2W and FLAIR images in the occipital lobes, represents gliosis.
The confluence of venous sinuses at trocular is not distinctly visualized.
- 1. Pathak LR, Gupta RL. Occipital meningo-encephalocele. Indian Pediatr. 1968;5 (11): 527-9. - Pubmed citation
- 2. Papadias A, Miller C, Martin WL et-al. Comparison of prenatal and postnatal MRI findings in the evaluation of intrauterine CNS anomalies requiring postnatal neurosurgical treatment. Childs Nerv Syst. 2008;24 (2): 185-92. doi:10.1007/s00381-007-0452-0 - Pubmed citation