Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery · 2003
Endoscopic surgical anatomy of the paediatric third ventricle studied using virtual neuroendoscopy based on 3-D ultrasonography.
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Jödicke Andreas, Berthold L Daniel, Scharbrodt Wolfram, Schroth Ilona, Reiss Irwin, Neubauer Bernd A, Böker Dieter-Karsten
Аннотация
INTRODUCTION: Endoscopic treatment for occlusive hydrocephalus requires knowledge of individual ventricular and vascular anatomies of the ventricular system.
METHODS: We studied the feasibility of virtual neuroendoscopy (VNE) based on 3-D ultrasonography (3-D US) for the identification of parenchymal and vascular anatomical landmarks of the third ventricle and its impact on the surgical planning of endoscopic third ventriculostomy (ETV) in paediatric patients. 3-D US was performed through the anterior fontanel in four infants with hydrocephalus.
RESULTS: Virtual neuroendoscopy revealed the size of the foramen of Monro, anatomical landmarks of the floor of the third ventricle crucial for correct fenestration during ETV, but not the premesencephalic cistern. The basilar bifurcation was identified in relation to the floor of the third ventricle by VNE (power-Doppler ultrasonography) and confirmed intraoperatively after ETV.
CONCLUSION: 3-D US-based VNE reveals detailed anatomical information on the ventricular system including the foramen of Monro and the floor of the third ventricle. Within the premesencephalic cistern vascular anatomy can be visualized, but not non-vascular structures.
METHODS: We studied the feasibility of virtual neuroendoscopy (VNE) based on 3-D ultrasonography (3-D US) for the identification of parenchymal and vascular anatomical landmarks of the third ventricle and its impact on the surgical planning of endoscopic third ventriculostomy (ETV) in paediatric patients. 3-D US was performed through the anterior fontanel in four infants with hydrocephalus.
RESULTS: Virtual neuroendoscopy revealed the size of the foramen of Monro, anatomical landmarks of the floor of the third ventricle crucial for correct fenestration during ETV, but not the premesencephalic cistern. The basilar bifurcation was identified in relation to the floor of the third ventricle by VNE (power-Doppler ultrasonography) and confirmed intraoperatively after ETV.
CONCLUSION: 3-D US-based VNE reveals detailed anatomical information on the ventricular system including the foramen of Monro and the floor of the third ventricle. Within the premesencephalic cistern vascular anatomy can be visualized, but not non-vascular structures.
Предметные рубрики MeSH
Cerebral AqueductCerebral VentriclesConstriction, PathologicDandy-Walker SyndromeEndoscopyFeasibility StudiesFunctional LateralityHumansHydrocephalusImaging, Three-DimensionalInfantInfant, NewbornMagnetic Resonance ImagingNeurosurgical ProceduresThird VentricleUltrasonography, DopplerUser-Computer Interface