Koshiro Nishikuni

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OBJECTIVE The brain sulci constitute the main microanatomic delimiting landmarks and surgical corridors of modern microneurosurgery. Because of the frequent difficulty in intraoperatively localizing and visually identifying the brain sulci with assurance, the main purpose of this study was to establish cortical/sulcal key points of primary(More)
OBJECT The surface of the developing fetal brain undergoes significant morphological changes during fetal growth. The purpose of this study was to evaluate the morphological development of the brain sulci from the fetal to the early postnatal period. METHODS Two hundred fourteen brain hemispheres from 107 human brain specimens were examined to evaluate(More)
We sought a simple and accurate method to monitor neonatal hydrocephalic infants using standard computed tomographic scans. Volume measurements were made by means of pixel counting using a personal computer and a drawing device, as a graphic tablet system, over computed tomographic scans of six infants with neonatal hydrocephalus and four age-matched(More)
Endoscopic third ventriculostomy (ETV) is an established treatment for hydrocephalus and is an alternative method avoiding shunts and its complications. There is still controversy regarding the higher risk of failure in younger infants. NARF was a male preterm newborn of 33 weeks old, with Moebius syndrome and 1,800 grams at birth. Detailed neonatal(More)
Shunting is fundamental in neurosurgical practice and a large number of patients experience shunt dysfunction throughout life. The Seldinger technique seems to be a valuable tool in the management of dysfunctions and consists of coagulating the choroid plexus before shunt removal. We report the unique case of a neuroendoscopic view of choroid plexus(More)
Foraminal and extra-foraminal disc herniations comprise up to 11.7% of all lumbar disc herniations. Facetectomy, which had been the classic approach, is now recognized as cause of pain and instability after surgery. Otherwise, posterior lateral approaches through a trans-muscular or a para-muscular technique offer no significant damage to key structures for(More)
Twin gestations are responsible for a disproportionate amount of perinatal mortality and morbidity. Such gestations may impose greater demands on maternal and child physiologic systems than singleton pregnancies. The most common antenatal complications were preterm labor. The clinical record of myelomeningocele infant presenting with overt hydrocephalus in(More)
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