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The posterior condylar canal: An anatomical study on dry human skulls.
Morphologie
November 2024
Comenius University Bratislava, Sasinkova 2, Bratislava 811 08, Slovak Republic. Electronic address:
Background: The human skull contains various foramina, including the posterior condylar canal (PCC), which allows the passage of emissary veins. The PCC connects the jugular foramen to the condylar fossa and facilitates venous drainage between the jugular bulb and suboccipital venous plexus. Due to its variable size and location, the PCC can be mistaken for pathological structures, posing challenges during neurosurgical procedures.
View Article and Find Full Text PDFOccipital neuralgia as an initial manifestation of atypical Lemierre syndrome: A case report.
Headache
November 2024
Department of Neurology, Akita University Graduate School of Medicine, Akita, Japan.
Lemierre syndrome is a life-threatening but treatable septic thrombosis of the internal jugular vein (IJV) derived from a craniocervical bacterial infection. Metastatic septic embolization is common. However, diagnostic delay and poor prognosis remain a problem, largely due to the diverse clinical presentations and unclear symptomatology of Lemierre syndrome.
View Article and Find Full Text PDFA study of the cerebral venous drainage patterns in craniosynostosis: nonsyndromic cases and the induction effect of Virchow's law on venous sinuses.
J Neurosurg Pediatr
November 2024
1Department of Pediatric Neurosurgery, Osaka City General Hospital, Osaka, Japan.
Objective: Surgical intervention is commonly necessary for craniosynostosis. One of the preoperative concerns revolves around the cerebral venous drainage pattern and its potential involvement during surgery. Although there have been reports regarding venous drainage patterns in syndromic craniosynostosis, studies of nonsyndromic cases have been rare.
View Article and Find Full Text PDFAnomalous venous collaterals in Apert and Crouzon syndromes and their relationship to ventricle size and increased intracranial pressure.
J Neurosurg Pediatr
November 2024
3Neurosurgery, Erasmus University Medical Center, Rotterdam, The Netherlands.
Objective: The exact association between the frequently present anomalous intracranial venous vasculature, emissary collaterals, ventriculomegaly, and increased intracranial pressure (ICP) in children with Apert and Crouzon syndromes remains an enigma. This study aimed to evaluate the association between the aberrant venous system and ventricle size and increased ICP, and to assess the development of the venous structures over time.
Methods: This retrospective cohort study included all patients with Apert or Crouzon syndrome with available CT venography (CTV) scans of the brain.
Tortuous occipital emissary vein combined with dural venous sinus stenosis in contrast-enhanced MRV for evaluation of idiopathic intracranial hypertension.
Jpn J Radiol
October 2024
Department of Radiology, Koç University Hospital, Topkapı, Davutpaşa Caddesi, 34010, Istanbul, Turkey.
Purpose: Venous outflow impediment is increasingly recognized in idiopathic intracranial hypertension (IIH). We aim to search for the value of tortuous occipital emissary vein (OEV) in IIH by integrating measurable transverse sinus (TS) stenosis in contrast-enhanced MR venography (CE-MRV).
Methods: Twenty-one IIH patients were evaluated with CE-MRV.
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