skull base

..The length and inclination of the posterior cranial base, which is related to Ba, influenced the position of the glenoid fossa...

Visual disturbance is a common presenting symptom of anterior skull base lesions. These lesions cause deterioration in visual acuity, restriction of the visual field, or reduction of ocular mobility...

..bone disorder that is characterized by endosteal hyperostosis and osteosclerosis of the calvaria and the skull base (OMIM 144755)...

This study aimed to examine the surgical, oncologic, and developmental results of infants and children undergoing extirpation of skull base tumors.

b>Skull base osteomyelitis is a rare disease that has a high morbidity and mortality rate if diagnosis and treatment are delayed. Our objective was to perform a more detailed analysis of skull base osteomyelitis in the inpatient population...

OBJECTIVE: The objective of this study was to investigate the diagnosis and management of skull base osteoradionecrosis (ORN) after radiotherapy for nasopharyngeal carcinoma (NPC)...

..The head is often abnormally shaped, and changes in skull base anatomy in the form of basilar impression and basilar invagination have been reported...

..To compare the incidence of bony erosion associated with allergic fungal rhinosinusitis (AFRS) with the incidence of bony erosion seen in other types of inflammatory sinusitis...

..In this study, the expression of CD34 in basal cell carcinomas ( BCCs) and squamous cell carcinomas (SCCs) with skull base invasion was compared with that in tumors with good outcome.

While studying skull base changes in craniosynostosis, it became apparent that there is a lack of reference studies quantifying the changes of three-dimensional (3D) parameters of the normal skull base throughout childhood...

BACKGROUND AND PURPOSE: Skull base osteomyelitis typically arises as a complication of ear infection in older diabetic patients, involves the temporal bone, and has Pseudomonas aeruginosa as the usual pathogen...

The combination of fibrous dysplasia and aneurysmal bone cyst of the skull base is extremely rare yet it should be recognized, lest the rapid growth of the lesion and the radiological picture lead to the wrong diagnosis of a malignant ..

..Glomus jugulare (GJ) tumors are paragangliomas found in the region of the jugular foramen. Surgery with/without embolization and conventional radiotherapy has been the traditional management option...

..Anterior craniofacial resection is a standardized procedure for the treatment of ethmoid and frontal orbital tumors with intracranial invasion...

To review outcomes for patients with skull base meningiomas treated using the stereotactic proton beam at the National Accelerator Center (NAC), Republic of South Africa.

To gain a broader appreciation of the clinical presentation, operative treatment, and outcome of patients with fibrous dysplasia involving the skull base.

Defects of the frontal skull base can be reconstructed with different types of material. Homologous material possibly involves the risk of infection and thus complicated wound healing...

..clinical experience with the use of endovascular stents in the treatment of traumatic vascular lesions of the skull base region...

..To present a large series of surgically treated tuberculum sellae meningiomas with particular regard to involvement of the optic canal and visual outcome...

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..Larger differences were identified in the inclination of the lower incisors. These findings could be used as normative cephalometric standards for 6- and 16-year-old Icelandic children...

..The asymmetric condyle position was found to be associated with skull base characteristics...

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..However, when the analysis was used on each of the clusters separately, the equation successfully predicted a good or poor outcome in 92 per cent of cluster I, in 85 per cent of cluster II and in 100 per cent of cluster III...

..By the age of 7 years, over 95 per cent of the growth in the intermolar width had occurred...

..The role of skeletal maturity assessment in clinical and research applications is discussed and recommendations are provided...

..of the cervical canal, height of the foramen magnum, width between the external auditory canals, width of the skull base at the mandibular condyles, midocular distance, spread of the mandibular condyles, and width of the zygoma at ..

..To test the hypothesis that there are no differences in the shape of the cranial complex between two samples from the same restricted geographical area and separated by almost 150 years...

..To analyze changes in the facial, maxillary, and mandibular skeleton in the vertical, sagittal, and transverse dimensions during an orthodontically relevant period of dentofacial development (i.e., between 7 and 15 years of age)...

..These craniofacial anomalies should be taken into consideration in treatment planning and mechanotherapy...

..This study suggests that subjects with BDDN may manifest altered craniofacial morphology. The clinician should be aware of that possibility, especially for the growing patients and the surgical candidates...

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..These variables and discriminant functions contributed to the differential diagnosis on BP to make a procedural decision between OT and ASO...

..Palate repair has no detrimental effects on the downward displacement of the basal maxilla or on palatal remodeling in patients with unilateral cleft lip and palate...

..The reduced posterior height of the basal maxilla in unoperated patients with UCLP might be primarily attributed to intrinsic effects, whereas the reduced anterior height of the basal maxilla might be attributed to functional effects...

..Facial growth in cleft lip and palate patients followed the same pattern, but was delayed compared with normal patients...

..A huge chondrosarcoma, arising from the skull base with extension into the middle cranial fossa and nasal cavity was suspected...

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..The aim of this retrospective study was to investigate the cephalometric findings of patients with PLS...

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..The absorbed dose levels for radiosensitive organs in the maxillofacial region during the exposure for both 3D-CT protocols were also measured...

..To assess the plotting reproducibility of landmarks on 3-dimensional computed tomography (3D-CT) images through use of the 95% confidence ellipse in order to propose sufficiently stable coordinate systems for 3D-CT measurements...

..To compare accuracy of linear measurements made on cone beam computed tomographic (CBCT) derived 3-dimensional (3D) surface rendered volumetric images to direct measurements made on human skulls...

..woman with paraganglioma arising in the middle and posterior cranial fossa with extended destruction of the skull base and clivus...

..To study cephalometric and facial features of Iranian children with beta-thalassemia major...

..The aim of this study was to analyze craniofacial, craniocervical, and pharyngeal morphology in surgically treated bilateral cleft lip and palate (BCLP) men, untreated men with obstructive sleep apnea (OSA), and a reference group of men...

..Prospective, longitudinal, clinical long-term follow-up study of a homogeneous sample of children affected by hemifacial microsomia and treated by mandibular distraction osteogenesis...

..01), whilst genetic effects on face height were also significant (P < 0.01). The results suggest that early orthodontic intervention would have a greater influence on the antero-posterior rather than on the vertical plane of growth...

..01). The profile of the soft tissue was more convex (p<0.001) and the upper lip was thinner than in the children in the control group (p<0.01), and their noses were relatively further backwards and downwards (p<0.01)...

..Sucking habits appeared to be correlated with the skeletal maxillary protrusion...

..resection of the cribriform plate during minimally invasive endoscopic resection (MIER) of the anterior skull base neoplasms may result in large anterior skull base defects...

..The aim of this study was to compare cephalometric norms of complete medieval skulls (n=35) with contemporary skulls (n=41), all from the same region, taking five craniofacial measures...

..The purpose of this study was to explore the association of hypodontia patterns and variations in craniofacial morphology in Japanese orthodontic patients...

..The purpose of this study is to evaluate maxillofacial morphology and bite force in patients with severe Duchenne-type myodystrophy...

..The purpose of this study was to describe the neurocranial and craniofacial morphology on profile radiographs of children with single median maxillary central incisor (SMMCI)...

..5 mm (range: 0-5.5 mm) for craniofacial measures, 1.2 mm (range: 0-4.8 mm) for skull base measures, 1.6 (range: 0-5.8 mm) for midface measures, 1.9 mm (range: 0-7.9 mm) for maxilla measures, and 1...

..This study suggests that subjects with BDDR may manifest altered craniofacial morphology. The clinician should be aware of this possibility especially for the growing patients and the orthognathic surgery candidates...

..The Chinese dentition demonstrates greater bimaxillary-alveolar protrusion, with a decreased interincisal angle. The Chinese soft-tissue profile shows a less prominent nose, with a less obtuse nasolabial angle, and more protrusive lips...

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..It could also be speculated that palatal repair had more adverse effect on the growth of the maxilla in length; however, that repair influenced less the anteroposterior position of maxillary incisors than lip repair did...

..For this reason, if it is to be used as an aid to orthodontic/orthognathic treatment planning, the divine proportion should perhaps be used along with other methods of anteroposterior and vertical cephalometric and facial assessment...

..Relatively few groups had significant changes in mandibular size associated with tooth agenesis...

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..The morphological features that relate to masticatory function and facial types are associated with the cortical bone thickness of the mandibular body, and the buccolingual inclination of the first and second molars...

..the normal occlusion group shows negative correlation between interincisal angle and FH-SGn angle. The anterior crossbite group shows positive correlation between FH-NPog angle and U1-FH angle...

OBJECTIVES: Sarcomas of the skull base are challenging, potentially lethal tumors. Prognosis is considered poor...

..The skeletal development (percentage growth potential) has clearly been effective in the vertical facial development commencing in Group I and reaching its maximum level in Group II. However Cd-Go was the exception...

..To identify and quantify the craniofacial effects from prenatal exposure to phenytoin monotherapy and polytherapy using cephalometric, hand-wrist, and panoramic radiographs and to determine if such deviations persist with age...

..Presence of asymmetry and altered craniofacial morphology should alert the clinician especially while orthodontically treating children and surgical patients...

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..Long-term stability can be enhanced by a deeper overbite and the best possible skeletal correction. The results suggest that the correction occurs with no mandibular rotation but might be better with forward rotation...

..These results indicate that differences regarding the superimposition methods should be taken into consideration in the evaluation of the changes due to growth or treatment...

..Computed tomography showed subarachnoid hemorrhage and skull base hematoma. There were no atypical fractures in the orbit, pterygoid plates, sphenoid bone, and skull base...

Oto cerebrospinal fluid leakage occurs frequently in skull base fractures but it is not always recognized which may produce potentially serious consequences on the prognosis...

..use of rigid endoscopes in surgery of tumorous lesions of the nose, paranasal sinuses, nasopharynx and anterior skull base has extended and diversified...

..However, this has rarely been addressed in the literature. Therefore, the authors sought to determine predictive patient variables for the occurrence of postoperative hydrocephalus following skull base meningioma surgery.

Endoscopic surgery of the anterior skull base has become the standard procedure for the repair of cerebrospinal fluid (CSF) leaks of various origins...

..Contrary to maxillofacial injuries that result from a direct impact, central skull base and lateral skull base (petrous bone) fractures usually are caused by a lateral or sagittal directed force to ..

To develop a minimally invasive surgical technique for the treatment of parapharyngeal space and infratemporal fossa skull base neoplasms using the technical and optical advantages of robotic surgical instrumentation.

..a novel robotic surgical approach that allows adequate endoscopic access for resection of tumors involving the anterior and central skull base and allows 2-handed, tremor-free, endoscopic dissection and precise suturing of dural defects.

..through the sphenoid sinus cavity, has lead in the last decades to a progressive possibility to access the skull base from the nose...

Patients with skull base lesions present a challenging management problem because of intractable symptoms and limited therapeutic options...

Carcinomas of the ethmoid, frontal, or maxillary sinuses sometimes invade the anterior skull base. It is necessary to perform en-bloc resection for this invasive carcinoma according to the concepts of surgical treatment for head and neck ..

Osteomas of ethmoid sinus are rare, especially when they involve anterior skull base and orbit, and lead to ophthalmologic and neurological symptoms.

..Facility in Darmstadt, Germany, has not revealed any increased acute toxicities in the first 13 patients with skull base chordomas or chondrosarcomas treated using carbon ions...

We analyzed 143 cases of skull base surgery collected from the eight institutions of the Study Group supported by the Grant-in-Aid for Cancer Research from the Ministry of Health and Welfare of Japan...

..To analyze the patterns of local-regional recurrence in patients with head and neck cancer treated with parotid-sparing conformal and segmental intensity-modulated radiotherapy (IMRT)...

The anterior skull base is a location of many pathologic lesions. These pathologic lesions are treated by bifrontal craniotomy and anterior skull base approach, either primarily or combined with facial osteotomies...

..On a radiograph, the tumor appears as a cyst-like radiolucent lesion, while some are sclerotic. The borders are usually ill-defined. Irregular calcifications may be seen with radiolucencies and then it is an osteochondroma...

To present our experience with permanent preoperative balloon occlusion of the internal carotid artery while dealing with different abnormalities of the lateral skull base and a comparison with the results mentioned in the literature.

The standard surgical treatment for meningiomas is total resection, but the complete removal of skull base meningiomas can be difficult for several reasons...

To anatomically reconstruct the oculomotor nerve, trochlear nerve, and abducent nerve by skull base surgery.

Malignancies of the anterolateral skull base are clinically and pathologically distinct from those of the central anterior skull base and the temporal bone...

Little is known about proteinase expression in skull base chordoma, a rare bone tumor exhibiting local invasiveness...

There is dearth of information on skull base surgery in Nigerians...

The clinical course of abducens nerve palsy associated with skull base tumour is rarely reported. In this study, we examined the post-operative course of abducens nerve palsies associated with various skull base tumours.

..The relationship between dose, volume, and PG function is explored...

..PCI reduces CI surgery to a single pass of a drill from the lateral skull base to the cochlea...

..Comparing vocal fold positions and the ability to breathe before and during stimulation will establish whether sufficient data are available to pursue clinical applications of laryngeal pacing after bilateral vocal cord paralysis. ..

..We will extend these studies to the synchondroses of the skull base, and use this approach to screen a series of mice with craniofacial and/or osteopetrotic mutations for similar ..

..and in the rehabilitative process in patients with dizziness following vestibular nerve section or removal of a skull base lesion such as acoustic tumor...

..gains in clinical outcomes for a number of disease sites including chondrosarcomas and chordomas of the skull base and cervical spine (95 percent and 50 percent local control, respectively), paranasal sinus tumors (87 percent ..

..paralysis usually occurs as a result of the surgical removal of tumor involving the head and neck region and skull base. Thyroid surgery, carotid endarterectomy, cardiothoracic and primary lung procedures may also result in ..

..In many difficult procedures that involve vital structures, like the resection of tumors at the skull base, image-guidance can be a necessity...

..techniques of local drug delivery specifically to meningiomas which grow on the surface of the brain or the skull base, and for investigations into the unique tumor-host interactions of meningiomas...

..in challenging interventional tasks, including ethmoid sinus ablation, trans-sphenoid approach to the CNS, and skull base lesion excision; and 3...

..in challenging interventional tasks, including ethmoid sinus ablation, trans-sphenoid approach to the CNS, and skull base lesion excision;and 3...

..in challenging interventional tasks, including ethmoid sinus ablation, trans-sphenoid approach to the CNS, and skull base lesion excision; and 3...

..She has also completed a postdoctoral fellowship in Skull Base Surgery at UCSD and now, will expand her combined training in clinical medicine and scientific research through ..

..Involvement in these studies will enhance the candidate's prior training in cranio-maxillofacial problems and 3D imaging, while equipping her with tools to perform meaningful studies centered around patient oriented clinical research. ..

..Future interventional studies will examine the mechanisms for the initial and the long-term adaptive response in material properties of bone. ..

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..Completion of this study will aid in the development of novel therapies for the management of genetic disorders. ..

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..Such information is critical to our understanding of the benefits of anti-inflammatory therapy in AD and other conditions and will guide the rational application and development of targeted interventions. ..

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..These experiments will set the groundwork for implementing optical recordings in general clinical practice as a novel technique for mapping and predicting human seizures. ..

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..Emphasis will be given in evaluating COX-2 and/or mPGES-1 expression as they are targets of our FIV(siRNA) therapy over time as well as assessing potential inflammatory responses elicited by this siRNA therapy. ..

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