Document Detail

Adult Idiopatic Occlusion of Monro Foramina: Intraoperative endoscopic reinterpretation of radiological data and review of the literature.
MedLine Citation:
PMID:  24874606     Owner:  NLM     Status:  Publisher    
Adult Idiopathic Occlusion of the Foramen of Monro (AIOFM) is a rare condition, with only few cases described in the modern literature. We propose that AIOFM may result from unilateral or bilateral occlusion of Monro foramina, as well as from progression of a monolateral hydrocephalus. Different surgical strategies may be required for effective treatment according to the type of occlusion. To date, only 12 cases of AIOFM have been reported in the literature. We report the cases of two patients, aged 20 and 47 years respectively, who presented with intracranial hypertension secondary to bilateral ventricular dilatation due to obstruction at the level of the foramen of Monro. Both patients were successfully treated with endoscopic fenestration of the primarily obstructed foramen of Monro and, in one patient, fenestration of the septum. We propose that septum pellucidum displacement could play a role in the occlusion of the second foramen of Monro. AIOFM can, therefore, result also from unilateral stenosis of Monro. The difference in AIOFM (i.e. unilateral vs bilateral) will be useful in guiding the most suitable surgical approach in this rare condition.
Claudio Schonauer; Reuben Johnson; Stefano Chiriatti; Raffaele de Falco; Vincenzo Albanese; Enrico Tessitore; Giuseppe M V Barbagallo
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2014-5-29
Journal Detail:
Title:  British journal of neurosurgery     Volume:  -     ISSN:  1360-046X     ISO Abbreviation:  Br J Neurosurg     Publication Date:  2014 May 
Date Detail:
Created Date:  2014-5-30     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8800054     Medline TA:  Br J Neurosurg     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-5     Citation Subset:  -    
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