Results 11 to 20 of about 14,380 (230)

Human bony labyrinth is an indicator of population history and dispersal from Africa. [PDF]

, 2018
The dispersal of modern humans from Africa is now well documented with genetic data that track population history, as well as gene flow between populations.
Koesbardiati, Toetik, Kondo, Osamu, Malaspinas, Anna-Sapfo, Milella, Marco, Ponce de León, Marcia S, Reyna-Blanco, Carlos S, Suwa, Gen, Weissmann, John David, White, Tim D, Zollikofer, Christoph PE   +9 more
core   +5 more sources

Anatomical Factors Influencing Pneumatization of the Petrous Apex [PDF]

Clinical and Experimental Otorhinolaryngology, 2015
ObjectivesAim of the present study was to define the relationship between petrous apex pneumatization and the nearby major anatomical landmarks using temporal bone computed tomography (CT) images.MethodsThis retrospective, Institutional Review Board ...
Dong-Hee Lee, Min-Ju Kim, Seunghun Lee, Hana Choi   +3 more
doaj   +1 more source

Invasive Corridor of Clivus Extension in Pituitary Adenoma: Bony Anatomic Consideration, Surgical Outcome and Technical Nuances

Frontiers in Oncology, 2021
BackgroundIt is well known that the clivus is composed of abundant cancellous bone and is often invaded by pituitary adenoma (PA), but the range of these cancellous bone corridors is unknown.
Xiao Wu, Han Ding, Le Yang, Xuan Chu, Shenhao Xie, Youyuan Bao, Jie Wu, Youqing Yang, Lin Zhou, Minde Li, Shao Yang Li, Bin Tang, Limin Xiao, Chunlong Zhong, Liang Liang, Tao Hong   +15 more
doaj   +1 more source

Lateral plating of the temporal bone: Hemostatic technique for complex transverse fractures of the petrous temporal bone

Trauma Case Reports, 2016
Background: Transverse petrous temporal bone fractures are commonly associated with significant intracranial trauma. Diastases of these fractures can lead to issues with hemostasis in the setting of venous sinus or petrous internal carotid artery (ICA ...
F.A. Zeiler, C.J. Kazina
doaj   +1 more source

Spontaneous cerebrospinal fluid fistula secondary to hyper-pneumatized paranasal sinuses and skull base: two case reports

The Egyptian Journal of Radiology and Nuclear Medicine, 2023
Background Spontaneous cerebrospinal fluid (CSF) fistulas occur due to various reasons other than well-identified causes such as trauma, neoplasia or infection.
Shweta Raviraj Poojary, Divya Vishwanatha Kini, T. R. Kapilamoorthy, Kavitha B. Chittaragi, Balasubramanian Gurumurthy   +4 more
doaj   +1 more source

Exclusive endoscopic transcanal approach to lateral skull base lesions: Institutional experience of 3 cases

Journal of Otology, 2021
Introduction: Majority of petrous bone and lateral skull base pathologies are benign in nature. The complex anatomy usually warrants an extensive approach with associated morbidity.
Sidharth Pradhan, Preetam Chappity, Anindya Nayak, Pradeep Pradhan, Pradipta K. Parida   +4 more
doaj   +1 more source

Gradenigo Syndrome: Retro-orbital Pain, Abducens Palsy, and Petrous Apicitis

Annals of Internal Medicine: Clinical Cases, 2022
Gradenigo's syndrome is a rarely encountered triad of otitis media, retro-orbital pain, and abducens nerve palsy. Originally described in the early 1900s by Giuseppe Gradenigo, it is the physical manifestation of a lesion involving the petrous apex of ...
Andrea Chernau, Kalyan Paudel, Christopher J. Haas   +2 more
doaj   +1 more source

Usefulness of image guidance in the surgical treatment of petrous apex cholesterol granuloma [PDF]

, 2013
The petrous apex is a pyramid-shaped structure, located medial to the inner ear and the intrapetrous segment of the internal carotid artery. Lesions of the petrous apex can be surgically treated through different surgical routes. Because of the important
A. Pietrantonio, BARBARA, Maurizio, G. D'Andrea, I. Fama, RACO, Antonino, VOLPINI, LUIGI   +5 more
core   +3 more sources

Subtotal petrosectomy and cerebrospinal fluid leakage in unilateral anacusis [PDF]

, 2014
Objective This study presents a group of patients experiencing recurrent cerebrospinal fluid (CSF) leakage associated with ipsilateral anacusis who underwent subtotal petrosectomies with the goal of stopping the CSF leak and preventing meningitis ...
Iannella, Giannicola, Magliulo, Giuseppe
core   +1 more source

Magnetic Resonance Imaging in Otosyphilis: A Rare Manifestation of Neurosyphilis

Indian Journal of Radiology and Imaging, 2022
We report magnetic resonance imaging (MRI) in a case with otosyphilis, which is a rare manifestation of neurosyphilis. A 50-year-old male presented with progressive hearing loss on the left side and recent-onset palsy of the left 7th and 12th cranial ...
Rajsekar Chandrasekharan, Chinmay Kulkarni, Sreekumar Karumathil Pullara, Srikanth Moorthy   +3 more
doaj   +1 more source