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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 PDFPotential causes of iatrogenic intraoperative bleeding during C1 surgeries: a CT 3D rendering study.
Spine J
November 2024
Department of Radiology, China-Japan Union Hospital of Jilin University, Changchun, China. Electronic address:
Article Synopsis
- Iatrogenic intraoperative bleeding during C1 surgeries is challenging to control, prompting a study to investigate its possible causes.
- The study analyzed high-resolution CTA images from 551 patients to evaluate variations in the vertebral artery and polymorphisms of ponticulus posticus, along with venous plexus communications.
- Findings indicated that anatomical variations, particularly regarding POPOs and venous structures, can contribute to bleeding; a preoperative CTA is suggested to improve surgical outcomes and reduce risks.*
A 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 PDFStaged dissection reduces blood loss in surgery for metopic synostosis.
J Plast Surg Hand Surg
November 2024
Department of Plastic Surgery, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; Department of Plastic Surgery, Sahlgrenska University Hospital, Region Västra Götaland, Gothenburg, Sweden.
Introduction: Fronto-orbital remodelling for metopic synostosis is an extensive operation with substantial blood loss, particularly from emissary veins in the glabellar region. One possibility to reduce blood loss may be to stage dissection and cauterise anomalous emissary veins before dissecting in the subperiostal plane. OBJECTIVE: The aim of the present study was to compare perioperative bleeding using a staged dissection in the glabellar region with the traditional subperiostal dissection technique during surgery for metopic synostosis.
View Article and Find Full Text PDFImmersive Surgical Anatomy of the Venous Drainage and Meningeal Supply of the Posterior Fossa: Anatomical Nuances and Microsurgical Management of Dural Arteriovenous Fistulas (dAVFs).
Cureus
July 2024
Neurological Surgery, University of California San Francisco, San Francisco, USA.
Dural arteriovenous fistulas (dAVFs) are anomalous connections between arteries and veins within the dura mater, involving dural sinuses, bridging veins, or emissary veins. If untreated, these lesions can result in intracranial hemorrhage. The management of posterior fossa dAVFs is challenging due to the intricate venous anatomy near the brainstem and cranial nerves.
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