The function of the atlantooccipital joints is intimately connected with the function of the spine in total and the temporomandibular joint in special. The present investigation gives report of the frequent combination of headache, facial pain and pain in the temporomandibular joint, which could be found in patients of an orthopedic practice. The role of the atlantooccipital joints is stressed in a special manner and explained with the function of the arthromuscular control loop.
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Surg Radiol Anat
December 2024
Department of Anatomy, Faculty of Medicine, Sivas Cumhuriyet University, Sivas, 58140, Turkey.
Purpose: The paracondylar process (PCP) is defined as the bony prominence extending from the outer side of the condyles on the outer surface of the occipital bone downwards towards the transverse process of the atlas (TPA). In this case report, the morphometry of the rarely seen PCP and its morphometric data with neighboring structures are evaluated.
Case Report And Results: Unilateral (right-sided) PCP was observed in the cranium of a Caucasian female.
Spine J
November 2024
Department of Orthopedic Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
Interv Pain Med
December 2024
Institut de Physiatrie du Québec (IPQ), Montréal, Québec, Canada.
Background: Cervicogenic headaches (CGH) are proven clinical entities. The prevalence of CGH arising from the atlanto-occipital (AO) joint is unknown. The best evidence for treatment of CGH is for third occipital nerve radiofrequency neurotomy.
View Article and Find Full Text PDFJ Stroke Cerebrovasc Dis
December 2024
Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan; Department of Neurosurgery, Tokyo General Hospital, Tokyo, Japan.
Neurospine
September 2024
Department of Neurosurgery, Nanfang Hospital, Southern Medical University, Guangzhou, China.
Objective: Recent studies indicate that 3 morphological types of atlanto-occipital joint (AOJ) exist in the craniovertebral junction and are associated with type II basilar invagination (BI) and atlanto-occipital instability. However, the actual biomechanical effects remain unclear. This study aims to investigate biomechanical differences among AOJ types I, II, and III, and provide further evidence of atlanto-occipital instability in type II BI.
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