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Endoscopic third ventriculostomy for the treatment of osteopetrosis-related hydrocephalus: a case-based update.
MedLine Citation:
PMID:  21552996     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Osteopetrosis is a heterogenous group of disorders characterised by a failure of normal bone maturation and abnormal bone sclerosis secondary to the failure of osteoclasts to resorb bone. The most serious consequences of this disorder affect the nervous system. Patients with infantile osteopetrosis (also called malignant osteopetrosis) can develop a gradual occlusion of, or narrowing of the skull foramina at the skull base, resulting in the compression of vital nerves and vessels. Hydrocephalus has been identified in these patients, particularly those with the autosomal recessive variety of osteopetrosis. Although the exact aetiology is uncertain, it is possible that venous outflow obstruction at the cranial foramina along with a reduced intracranial space for cerebrospinal fluid (CSF) to flow around the hemispheres could be contributing factors. There are few reports in the literature on the management of this unusual association, hydrocephalus secondary to osteopetrosis. The authors report one such case where this association has been successfully surgically treated with endoscopic third ventriculostomy as a form of CSF diversion. CASE REPORT: We successfully treated a 9-month-old girl with osteopetrosis and symptomatic hydrocephalus with an endoscopic third ventriculostomy (ETV). She later went on to have stem cell transplantation to treat the osteopetrosis. CONCLUSIONS: Most reports in the literature have identified ventriculoperitoneal (or other distal site) shunting as the treatment of choice for hydrocephalus in this setting. We would like to highlight that ETV is another effective and often very suitable method of CSF diversion in these patients.
Authors:
Bhoresh Dhamija; Benedetta Ludovica Pettorini; Guirish Solanki
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-5-7
Journal Detail:
Title:  Child's nervous system : ChNS : official journal of the International Society for Pediatric Neurosurgery     Volume:  -     ISSN:  1433-0350     ISO Abbreviation:  -     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-5-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8503227     Medline TA:  Childs Nerv Syst     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Department of Paediatric Neurosurgery, Birmingham Children's Hospital, Steelhouse Lane, B4 6NH, Birmingham, UK.
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