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Lakhdar Y, Youbi SE, Oulghoul O, Chehbouni M, Benhoummad O, Rochdi Y, Raji A. The Petrosquamosal Sinus: A Rare Vascular Variant Encountered During Cochlear Implantation Surgery. Laryngoscope 2024. [PMID: 38623913 DOI: 10.1002/lary.31452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 03/17/2024] [Accepted: 04/05/2024] [Indexed: 04/17/2024]
Abstract
The petrosquamosal sinus is a rare and almost unknown emissary vein of the temporal bone. It traverses the middle cranial fossa along the petrosquamosal fissure and connects dural sinuses with extracranial venous networks. It is known to undergo normal involution during fetal and early postnatal life, and therefore is rarely found in humans. When encountered during surgery, it can be a significant source of bleeding hindering proper visualization of important surgical landmarks. Here we report the case of a PSS, encountered in a child during cochlear implantation surgery. We discuss its clinical significance and impact on the surgical approach. Laryngoscope, 2024.
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Affiliation(s)
- Youssef Lakhdar
- Faculty of Medicine and Pharmacy of Marrakech, Cadi Ayyad University, Marrakech, Morocco
- ENT Head and Neck Surgery Department, University Hospital Center Mohammed VI, Marrakech, Morocco
| | - Salah-Eddine Youbi
- Faculty of Medicine and Pharmacy of Marrakech, Cadi Ayyad University, Marrakech, Morocco
- ENT Head and Neck Surgery Department, University Hospital Center Mohammed VI, Marrakech, Morocco
| | - Omar Oulghoul
- Faculty of Medicine and Pharmacy of Marrakech, Cadi Ayyad University, Marrakech, Morocco
- ENT Head and Neck Surgery Department, University Hospital Center Mohammed VI, Marrakech, Morocco
| | - Mohammed Chehbouni
- Faculty of Medicine and Pharmacy of Marrakech, Cadi Ayyad University, Marrakech, Morocco
- ENT Head and Neck Surgery Department, University Hospital Center Mohammed VI, Marrakech, Morocco
| | - Othmane Benhoummad
- ENT Head and Neck Surgery Department, University Hospital Center Mohammed VI, Marrakech, Morocco
- Faculty of Medicine and Pharmacy of Agadir, Ibn Zohr University, Agadir, Morocco
| | - Youssef Rochdi
- Faculty of Medicine and Pharmacy of Marrakech, Cadi Ayyad University, Marrakech, Morocco
- ENT Head and Neck Surgery Department, University Hospital Center Mohammed VI, Marrakech, Morocco
| | - Abdelaziz Raji
- Faculty of Medicine and Pharmacy of Marrakech, Cadi Ayyad University, Marrakech, Morocco
- ENT Head and Neck Surgery Department, University Hospital Center Mohammed VI, Marrakech, Morocco
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