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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Wang, Shou-Sen Zheng, He-Ping Zhang, Fa-Hui Wang, Ru-Mi |
| Description | Author Affiliation: Wang SS ( Department of Neurosurgery, Fuzhou General Hospital, 156 Xihuanbei Road, Fuzhou 350025, People's Republic of China. wshsen@126.com) |
| Abstract | OBJECT: Liliequist's membrane (LM) is an important arachnoid structure in the basal cisterns. The relevant anatomic descriptions of this membrane and how many leaves it has are still controversial. The existing anatomical theories do not satisfy the needs of minimally invasive neurosurgery. We aimed to establish the three-dimensional configuration of LM. METHODS: Fifteen adult formalin-fixed cadaver heads were dissected under a surgical microscope to carefully observe the arachnoid mater in the suprasellar and post-sellar areas and to investigate the arachnoid structure and its surrounding attachments. RESULTS: It was found that the LM actually consists of three types of membranes. The diencephalic membrane (DM) was usually attached by the mesencephalic membrane (MM) from underneath, and above DM it was usually a pair of hypothalamic membranes (HMs) extending superomedially. The pair of HMs was stretched between the DM (or MM) and the hypothalamus and were seldom attached to the carotid-chiasmatic walls between the carotid cistern and the chiasmatic cistern. These three types of membranes (DM, MM, and HM) comprised the main arachnoid structure in the anterior incisural space and often presented as four connected leaves. However, only two thirds of the specimens had all three types of membranes, and there was considerable variation in the characteristics and shapes of the membranes among the specimens. CONCLUSION: All three types of membranes comprising LM serve as important anatomical landmarks and interfaces for surgical procedures in this area. |
| File Format | HTM / HTML |
| ISSN | 00016268 |
| Issue Number | 1 |
| Volume Number | 153 |
| e-ISSN | 09420940 |
| Journal | Acta Neurochirurgica |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2011-01-01 |
| Publisher Place | Austria |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Brain Subarachnoid Space Cranial Fossa, Middle Anatomy & Histology Skull Base Humans Discipline Neurosurgery Physiology Arachnoid Cadaver Journal Article |
| Content Type | Text |
| Resource Type | Article |
| Subject | Neurology (clinical) Surgery |
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