Results 21 to 30 of about 318,273 (172)

The Developing Human Sphenoid Bone: Linking Embryological Development to Adult Morphology [PDF]

open access: yesBiology
The human sphenoid bone (SB), centrally located at the cranial base, is structurally and developmentally complex. It arises from multiple cartilaginous precursors and undergoes both endochondral and intramembranous ossification, forming essential ...
George Triantafyllou, Maria Piagkou
doaj   +2 more sources

Meta-analysis: Vidian Canal Length, Types, Dehiscence, and Relationship to Medial Pterygoid Plate

open access: yesNational Journal of Clinical Anatomy
Vidian canal (VC) as an anatomical landmark directs endoscopic approaches to the petrous carotid artery and the anteromedial part of the cavernous sinus, facilitating precise surgical access to these intricate regions.
Santhosh Kuriakose   +4 more
doaj   +2 more sources

Pterygoid Meningoencephalocele in Adulthood as a Possible Manifestation of Dysembryogenesis of the Sphenoid Bone: A Case Report. [PDF]

open access: yesCase Rep Otolaryngol
Meningoencephalocele is a rare defect of the skull base in which brain tissue and meninges herniate through a bony defect. Skull base meningoencephaloceles are rare, particularly those not associated with the sphenoid sinus or other aerated anatomical structures. Due to their nonspecific clinical presentation, recognition is often delayed.
Vehar L   +3 more
europepmc   +2 more sources

Unilateral Nasopharyngeal Endoscopic Resection Type III: Technical Notes. [PDF]

open access: yesLaryngoscope
The present video case report details technical notes of Nasopharyngeal Endoscopic Resection (NER) Type III, performed for a mucosal melanoma in a 71‐year‐old patient. Key surgical steps—such as achieving optimal exposure, employing Doppler‐guided internal carotid artery localization, and applying vascularized flap coverage—are outlined, demonstrating ...
Conti C   +7 more
europepmc   +2 more sources

Perineural spread in invasive fungal sinusitis: Underrecognized complication of head and neck invasive fungal infection [PDF]

open access: yesAin Shams Medical Journal, 2023
Background: Peri-neural spread of fungal infection is a potentially fatal condition. Identification of the major risk factors, as well as rigorous analysis of clinical features and radiological findings, may improve the chances of prompt diagnosis and ...
Sameh Abokoura   +3 more
doaj   +2 more sources

Anatomical study on Meckel cave with endoscopic endonasal, endo-maxillary sinus, and endo-pterygoid process approaches. [PDF]

open access: yesPLoS ONE, 2014
To study anatomical structures related to Meckel cave with endonasal endoscopic approach and to provide an anatomical basis for endoscopic surgery in Meckel cave.Meckel cave of 5 adult skulls (10 sides) were fixed with 10% formalin.
Xuejian Wang   +6 more
doaj   +1 more source

The skull of the carettochelyid turtle Anosteira pulchra from the Eocene (Uintan) of Wyoming and the carotid canal system of carettochelyid turtles [PDF]

open access: yesFossil Record, 2018
Here we document the morphology of the only known skull of a carettochelyid turtle from North America. The specimen originates from the middle Eocene (early Uintan) Washakie Formation of Sweetwater County, Wyoming, and is referred to Anosteira pulchra ...
W. G. Joyce, V. S. Volpato, Y. Rollot
doaj   +1 more source

Radiological anatomy of foramen rotundum and its surgical implications

open access: yesThe Egyptian Journal of Otolaryngology, 2022
Introduction The use of endoscopic sinus surgery in the field of otorhinolaryngology is due to many reasons such as better visualization, the complex anatomy of the skull base and the relations between vital vascular and nervous elements, the crucial ...
Samy Elwany   +5 more
doaj   +1 more source

Sinonasal Orbital Apex Syndrome, Horner Syndrome and Pterygopalatine Fossa Infection: A Case Report and Mini-Review

open access: yesLife, 2023
This paper presents a literature review and a case of an 83-year-old otherwise healthy female patient with a history of recent syncope, a sudden-onset right-sided temporal headache, diplopia, and vision loss.
Gregorio Benites   +3 more
doaj   +1 more source

Nasopharyngeal Endoscopic Resection Extended to the Internal Carotid Artery (Type 4): Technical Notes, Indications, and Outcomes. [PDF]

open access: yesHead Neck
ABSTRACT Background Endoscopic surgical approaches for nasopharyngeal malignancies, including recurrent nasopharyngeal carcinoma (rNPC) and nasopharyngeal salivary gland tumors (NSGT), have seen significant development over the last decades. Our groups have expanded the classification of nasopharyngeal endoscopic resections (NER) from type 1 to 3 to ...
Boaria F   +20 more
europepmc   +2 more sources

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