Ventricular anatomy of hydrocephalus associated with myeloschisis and endoscopic third ventriculostomy

Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery
Hiroshi MoriAi Muroi

Abstract

To characterize the anatomical features of the ventricular regions in patients with myeloschisis and related to successful performance of endoscopic third ventriculostomy (ETV). Radiological and endoscopic findings of 21 myeloschisis patients were retrospectively reviewed. Radiological features that could interfere with endoscopic procedures were (1) a huge massa intermedia (12/19), (2) sloping of the third ventricular floor (3/10), (3) narrow anteroposterior length of the third ventricular floor (2/10), and (4) narrow prepontine cistern (8/21). Endoscopic findings were (a) a narrow foramen of Monro (0/3), (b) hypertrophy of the anterior commissure (1/3), (c) sloping of the third ventricle floor (1/3), (d) a huge massa intermedia (3/3), and (e) opaque third ventricular floor (3/3). These endoscopic findings did not interfere with endoscopic procedures by using the Oi-HandyPro neuroendoscope without the above-mentioned radiological features 3 or 4. Narrow anteroposterior length of the third ventricular floor and narrow prepontine cistern are not infrequently observed. Preoperative evaluation and intraoperative inspection of these findings are very important in successful performance of ETV.

References

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Citations

Aug 7, 2012·Journal of Neurosciences in Rural Practice·Yad Ram YadavMoneet Agarwal
Sep 10, 2013·Child's Nervous System : ChNS : Official Journal of the International Society for Pediatric Neurosurgery·G TamburriniC Di Rocco
Feb 26, 2016·World Neurosurgery·Michael E SughrueCharles Teo
Oct 2, 2019·Neurosurgical Focus·David J McCarthyHeather J McCrea
Feb 22, 2011·Neurosurgery·Alicia Del Carmen Becerra RomeroAura Conci
Sep 28, 2018·Journal of Neurosurgical Sciences·Peter Spazzapan, Tomaž Velnar

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