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Liliequist membrane: radiological evaluation, clinical and therapeutic implications

In a simplistic and succinct way, Liliequist membrane may be understood as a projection formed by an arachnoid membrane extending from the dorsum sellae to the mammillary bodies. In spite of being well known to neurosurgeons, many radiologists neither know this anatomical structure nor give importan...

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Detalles Bibliográficos
Autores principales: Dias, Daniel Aguiar, Castro, Fábio Luiz Onuki, Yared, James Henrique, Lucas Júnior, Ademar, Ferreira Filho, Luiz Alves, Ferreira, Nelson Fortes Paes Diniz
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Colégio Brasileiro de Radiologia e Diagnóstico por Imagem 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4337143/
https://www.ncbi.nlm.nih.gov/pubmed/25741076
http://dx.doi.org/10.1590/0100-3984.2013.1809
Descripción
Sumario:In a simplistic and succinct way, Liliequist membrane may be understood as a projection formed by an arachnoid membrane extending from the dorsum sellae to the mammillary bodies. In spite of being well known to neurosurgeons, many radiologists neither know this anatomical structure nor give importance to its study. The imaging evaluation of this membrane is feasible and may be interesting for a better preoperative planning; postoperative evaluation of third ventriculostomies; and understanding of suprasellar arachnoid cysts and perimesencephalic hemorrhage. The present article illustrates the anatomy of the membrane, with emphasis on imaging findings, besides describing its possible clinical and surgical implications.