title: Morphometric evaluation of parasagittal venous anatomy for intracranial approaches: a cadaveric study.
abstract: OBJECTIVE
  Obstruction of superior sagittal sinus (SSS) and collateral bridging veins is a well-known reason of postoperative brain edema and brain infarct, however, morphometric anatomic studies done in the light of surgical landmarks aren't sufficient in number. Object of this study is to describe venous structures related to SSS with silicon injected cadaveric models.
  
  
  METHODS
  This study was on 6 silicon injected cadaveric heads at Anatomy Department. Duramater was removed and veins on parasagittal area were examined. SSS morphology, veins draining into SSS, their size, number and distance were evaluated.
  
  
  RESULTS
  Mean vein number draining into SSS is 2.9±1.5 at anterior to coronal suture (CS), between CS and vertex is 3.2±0.8, between vertex and lambdoid suture (LS) is 2.3±0.9, between LS and confluens sinuum 0.3±0.5. There was no statically difference between right and left sides (p=0.140, p > 0.05). Diameter of veins was 2.4±1.0 mm at anterior to CS, 3.0±1.2 mm at between CS and vertex, 2.4±0.7 mm at between vertex and LS, and 2.2±0.5 mm at between LS and confluens sinuum.
  
  
  CONCLUSIONS
  Knowing details of anatomic structures of SSS and venous structures draining into it may protect the patients from many surgical complications. SSS and related structures with surgical landmarks are valuable for neurosurgeons.
authors.affiliation: Denizli State Hospital, Department of Neurosurgery, Denizli, Turkey. sayhansalih@yahoo.com
authors.forename: Salih
authors.initials: S
authors.lastname: Sayhan
authors.forename: Mustafa
authors.initials: M
authors.lastname: Guvencer
authors.forename: Ercan
authors.initials: E
authors.lastname: Ozer
authors.forename: Mehmet Nuri
authors.initials: MN
authors.lastname: Arda
mesh_terms: D000328:Adult; D002102:Cadaver; D002550:Cerebral Veins / Q000033:anatomy & histology* / Q000473:pathology; D002560:Cerebrovascular Circulation / Q000502:physiology; D003393:Cranial Sutures / Q000601:surgery; D006801:Humans; D008297:Male; D012826:Silicone Elastomers; D054063:Superior Sagittal Sinus / Q000033:anatomy & histology* / Q000473:pathology
chemical_list: D012826:Silicone Elastomers