ArticleSurgical and radiologic anatomy : SRA2021
Neurosurgical anatomy of the floor of the third ventricle and related vascular structures.
Article in Surgical and radiologic anatomy : SRA, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 8 citations in OpenAlex.
- Optimal trajectory of the neuroendoscope for third ventricle pavement access.Frontiers in neuroanatomy · 2025Article
- A Review of Cerebrospinal Fluid Circulation and the Pathogenesis of Congenital Hydrocephalus.Neurochemical research · 2024Review
- Stereotactic anatomy of the third ventricle.Surgical and radiologic anatomy : SRA · 2024Article
- Triangular fossa of the third cerebral ventricle - an original 3D model and morphometric study.Frontiers in neuroanatomy · 2024Article
- Article
- Microneurosurgical anatomy of the basal cisterns: A brief review for cisternostomy.Surgical neurology international · 2023Article
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeAnatomical knowledge of the floor of the third ventricle (FTV) is essential in avoiding surgical complications during endoscopic third ventriculostomy. The purpose of this study was to characterize the morphometry of FTV and related arteries, particularly the basilar artery (BA), as well as the factors that influence it.
methodsTwenty-six formalin-fixed adult brains and two hundred adult brain MRIs were studied focusing on FTV and related arteries. Dimensions of interest were measured using image analysis software. Morphometric data obtained were statistically analysed.
resultsDistances between FTV, intermammillary sulcus (IMS), infundibulum, BA bifurcation, and posterior communicating arteries (PCoAs) were described on the cadavers and the MRIs. Distance between right and left PCoAs was greater at their anterior extremity (p < 0.001). Right PCoA was longer (p = 0.016). BA was lateralized in 58.4% of cases and its calibre was larger in males (p < 0.001). The distance from BA apex to FTV was inversely correlated with BA diameter (p < 0.001) and age (p = 0.004). Distance from IMS to infundibulum and the distance between both PCoAs were greater in MRI series when compared to cadaver series (p < 0.001).
conclusionsA quantitative description of the morphometry of the region of the FTV and related vessels was obtained, helping neurosurgeons in planning their surgical approach. The distance from BA apex to FTV was shorter in individuals with larger BA calibre and in older subjects. MRI studies were qualitatively superior to cadaveric studies in evaluating the anatomy of this region.
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