Occipital bone ≈ Occipital bone
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Occipital Encephalocele: Cause, Incidence, Neuroimaging and Surgical Management Open
Aim: To review and present the current knowledge of incidence, signs and symptoms, diagnosis and treatment of the occipital encephalocele. Background: Encephalocele (E) is a defect of the neural tube that refers to congenital malformations…
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Does the Addition of a “Black Bone” Sequence to a Fast Multisequence Trauma MR Protocol Allow MRI to Replace CT after Traumatic Brain Injury in Children? Open
Our preliminary results show that brain MR imaging complemented by a black bone sequence is a promising nonionizing alternative to head CT for the assessment of skull fractures in children. However, accuracy in the detection of linear frac…
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Three-dimensional assessment of the spheno-occipital synchondrosis and clivus after tooth-borne and bone-borne rapid maxillary expansion: Open
Objectives To assess changes in spheno-occipital synchondrosis after rapid maxillary expansion (RME) performed with conventional tooth-borne (TB) and bone-borne (BB) appliances. Materials and Methods This study included 40 subjects with tr…
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Foramen magnum, occipital condyles and hypoglossal canals morphometry: anatomical study with clinical implications Open
The study confirmed that only specific HC dimensions showed side asymmetry (HCs maximum extracranial and minimum intracranial diameters and HCs length), gender dimorphism (HCs right length and left distance HC-OC posterior border) and age …
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Craniometric Analysis of the Hindbrain and Craniocervical Junction of Chihuahua, Affenpinscher and Cavalier King Charles Spaniel Dogs With and Without Syringomyelia Secondary to Chiari-Like Malformation Open
The selected morphometries successfully characterised conformational changes in the brain and craniocervical junction that might form the basis of a diagnostic tool for all breeds. The severity of SM involved a spectrum of abnormalities, i…
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Operative Anatomy of the Human Skull: A Virtual Reality Expedition Open
INTRODUCTION The human cranial vault possesses an incredible, complex anatomical intricacy. Bridging the divide between 2-dimensional (2D) learning resources and the 3-dimensional (3D) world in which the anatomy becomes clinically relevant…
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Occipital condyle width (OCW) is a highly accurate predictor of body mass in therian mammals Open
Background Body mass estimation is of paramount importance for paleobiological studies, as body size influences numerous other biological parameters. In mammals, body mass has been traditionally estimated using regression equations based o…
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A Large Skull Defect Due to Gorham-Stout Disease: Case Report and Literature Review on Pathogenesis, Diagnosis, and Treatment Open
A 24-year old man was referred to the Erasmus MC Bone Center because of an asymptomatic increasing skull defect of the left parietal bone. The defect was first noticed at the age of six, and gradually increased over the years. His medical …
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Sexual dimorphism of foramen magnum: An Egyptian study Open
Background Human identification is of a paramount forensic concern. It includes sex determination which becomes extremely complex and tricky especially in fragmentary remains. Purpose of the study We aimed to evaluate the accuracy of ten d…
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Correlation between the skull base fracture and the incidence of intracranial hemorrhage in patients with traumatic brain injury Open
SBFs were strongly correlated with traumatic ICH lesions patients with anterior fossa SBF were more likely to suffer EDH whereas with middle fossa SBF were more likely to suffer CC.
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Suitability of foramen magnum measurements in sex determination and their clinical significance Open
As a result of our study, the metric data we obtained will be useful in cases where the skeletons' sex could not be determined by any other methods. We believe that, our study may be useful for other studies in determining of sex from fora…
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Morphometric and radiomorphometric study of the correlation between the foramen magnum region and the anterior and posterolateral approaches to ventral intradural lesions Open
A cautious preoperative morphometric evaluation of the FM region must be considered prior to using tailored and safe anterior endoscopic and posterolateral approaches to ventral intradural lesions to identify the advantages of a certain co…
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A Brief Review of Giant Occipital Encephalocele Open
An encephalocele is a congenital neural tube defect (NTD) characterized by herniation/protrusion of the intracranial contents (meninges, brain, and part of the ventricles) through a defect in the cranium.[1] Encephalocele is caused by fail…
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Occipital fixation techniques and complications Open
Occipitocervical fusions in the adult population are most commonly indicated for neoplastic tumors invading the craniocervical junction (CCJ), rheumatological deformities compromising the foramen magnum, and traumatic dislocations resultin…
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CT-based morphometric analysis of the occipital condyle: focus on occipital condyle screw insertion Open
OBJECTIVE The segmental occipital condyle screw (OCS) is an alternative fixation technique in occipitocervical fusion. A thorough morphological study of the occipital condyle (OC) is critical for OCS placement. The authors set out to intro…
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Giant occipital intradiploic epidermoid cyst Open
Intraparenchymal or intradiploic epidermoid cysts are very rare. Most of these cysts, when present, tend to involve the frontal and temporal lobes, and occasionally, the pineal gland or the brain stem. Here, we report a 45-year-old female,…
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Three-dimensional geometric morphometric studies of modern human occipital variation Open
Objectives To investigate three-dimensional morphological variation of the occipital bone between sexes and among populations, to determine how ancestry, sex and size account for occipital shape variation and to describe the exact forms by…
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The anatomical perspective of human occipital condyle in relation to the hypoglossal canal, condylar canal, and jugular foramen and its surgical significance Open
The OC and related structures such as HC, CC, and JF are likely to have variations in respect to morphometry and morphology. This study may prove helpful to neurosurgeons operating in this field, especially during TCA where neurovascular s…
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Morphometric Analysis of the Occipital Condyle and Its Surgical Importance Open
The present morphometric study would be valuable for the successful instrumentation of the OC as wider and ventrally oriented OC as well as smaller intercondylar distances may pose challenge to the surgeons during condylectomy. The data of…
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Atlantooccipital Fusion: Prevalence and its Developmental and Clinical Correlation Open
We conclude that the prevalence of atlantooccipital fusion including complete and incomplete fusion was 1.04%, which is higher than the proclaimed prevalence rate of 0.12% to 0.72%, by the previous studies. In accordance with the fact that…
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A prospective study on fetal posterior cranial fossa assessment for early detection of open spina bifida at 11–13 weeks Open
The objective of this study was to test three measurements: brain stem (BS), intracranial translucency (IT) and brain stem to occipital bone distance (BSOB), as well as one landmark: cisterna magna (CM) visibility, for early diagnosis of o…
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Anatomical consideration of the occipital cutaneous nerves and artery for the safe treatment of occipital neuralgia Open
There is no standardized approach to the greater occipital nerve (GON) block technique for treating occipital neuralgia. The aim of the present study was to validate the previously‐suggested guidelines for conventional injection techniques…
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Data-driven Normative Reference of Pediatric Cranial Bone Development Open
Background: Available normative references of cranial bone development and suture fusion are incomplete or based on simplified assumptions due to the lack of large datasets. We present a fully data-driven normative model that represents th…
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Microanatomy of the dura mater at the craniovertebral junction and spinal region for safe and effective surgical treatment Open
OBJECTIVE Few reports have been published regarding the detailed microsurgical anatomy of the dura mater at the craniovertebral junction (CVJ), although many neurosurgeons have had the opportunity to conduct surgeries in this region, such …
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Pathogenesis and Classification of Chiari Malformation Type I Based on the Mechanism of Ptosis of the Brain Stem and Cerebellum: A Morphometric Study of the Posterior Cranial Fossa and Craniovertebral Junction Open
Introduction We investigated the mechanism of ptosis of the brain stem and cerebellum (hindbrain) in Chiari malformation type I (CM-I) and classified CM-I according to pathogenesis, based on a morphometric study of the posterior cranial fo…
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Occipital condyle screws: indications and technique Open
Occipitocervical instability is a life threatening and disabling disorder caused by a myriad of pathologies. Restoring the anatomical integrity and stability of the occipitocervical junction (OCJ) is essential to achieve optimal clinical o…
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Morphometric Evaluation of Occipital Condyles: Defining Optimal Trajectories and Safe Screw Lengths for Occipital Condyle-Based Occipitocervical Fixation in Indian Population Open
Study DesignComputed tomographic (CT) morphometric analysis.PurposeTo assess the feasibility and safety of occipital condyle (OC)-based occipitocervical fixation (OCF) in Indians and to define anatomical zones and screw lengths for safe sc…
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Ehlers–Danlos syndrome-associated craniocervical instability with cervicomedullary syndrome: Comparing outcome of craniocervical fusion with occipital bone versus occipital condyle fixation Open
In EDS, patients with CCI undergoing CCF radiographic and clinical outcome were similar between those with OC versus OB fixation. Both techniques resulted in sufficient correction of pB-C2 and CXA measurements with a low complication rate.
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Correlation of spheno-occipital synchondrosis fusion stages with a hand-wrist skeletal maturity index: <i>A cone beam computed tomography study</i> Open
Objectives To examine the correlation between spheno-occipital synchondrosis fusion stages and the hand-wrist skeletal maturity index. Materials and Methods Digital records of 164 individuals (77 males, 87 females) aged 10 to 18 years old …
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Occipital transtentorial approach for pineal region lesions: Addressing the controversies in conventional teaching Open
Background: The occipital transtentorial (OT) approach is well-established approach for pineal region tumors and can be of choice for the lesions located around the suboccipital part of tentorium such as the quadrigeminal plate, posterior …