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We report a newly evidenced cause of venous pulsatile tinnitus--the petrosquamosal sinus in the temporal bone. We also present the case of a 45-year-old woman who presented with an incapacitating objective pulsatile tinnitus in the left ear for 10 years. The radiology evidenced a petrosquamosal sinus in the air cells of the left temporal bone. The symptoms of pulsatile tinnitus disappeared completely after surgical treatment.
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http://dx.doi.org/10.1016/j.clinimag.2011.12.019 | DOI Listing |
Laryngoscope
September 2024
Faculty of Medicine and Pharmacy of Marrakech, Cadi Ayyad University, Marrakech, Morocco.
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.
View Article and Find Full Text PDFSurg Radiol Anat
June 2019
Department of Dental and Maxillofacial Radiology, The Medical University of Warsaw, 59 Nowogrodzka St, 02006, Warsaw, Poland.
Purpose Of The Study: Körner's septum (KS) is a developmental remnant formed at the junction of mastoid and temporal squama, representing the persistence of the petrosquamosal suture. During mastoid surgery, it could be taken as a false medial wall of the antrum so that the deeper cells might not be explored. The aim of the study was to assess a Körner's septum prevalence and to analyze its topography.
View Article and Find Full Text PDFWorld Neurosurg
March 2018
International Evidence-Based Anatomy Working Group, Krakow, Poland; Department of Anatomy, Jagiellonian University Medical College, Krakow, Poland.
Objective: The petrosquamosal sinus (PSS) is clinically important as it represents a potential hemorrhagic hazard during neurosurgical procedures. This double-approach radiologic study and meta-analysis aimed to assess the imaging characteristics of the PSS on computed tomography (CT) and systematically analyze its prevalence to improve imaging accuracy and assist in neurosurgical management.
Methods: The retrospective radiologic study included CT scans of 388 patients aged 18 years or older.
J Cerebrovasc Endovasc Neurosurg
December 2016
Department of Neurosurgery, Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Korea.
The author has encountered a 67-year-old man with dural arteriovenous fistula (AVF) presenting as a non-traumatic chronic subdural hematoma (CSDH). This previously healthy patient was hospitalized due to progressive headache with subacute onset. He underwent burr-hole surgery twice for evacuating the left CSDH that was thickest at the posterior temporal area.
View Article and Find Full Text PDFMed Sci Monit
November 2016
Department of Otorhinolaryngology and Laryngological Oncology in Zabrze, Medical University of Silesia in Katowice, Zabrze, Poland.
BACKGROUND The aim of the study was to determine the prevalence of petrosquamosal sinus (PSS) and other temporal bone (TB) anatomical variations in various patients using high-resolution computed tomography (CT). MATERIAL AND METHODS We reviewed clinical and consecutively obtained CT data for 276 TBs of 138 patients. The incidence of TB anatomical variations was compared among patients with radiological markers of chronic otitis media (RCOM) and non-RCOM.
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