Results 81 to 90 of about 1,688,001 (281)

Chondroblastoma of the Clivus: Case Report and Review. [PDF]

open access: yes, 2015
Background and Importance Chondroblastoma is a benign primary bone tumor that typically develops in the epiphyses of long bones. Chondroblastoma of the craniofacial skeleton is extremely rare, with most cases occurring in the squamosal portion of the ...
Ahmadpour, Arjang   +5 more
core   +1 more source

Chronic sinonasal symptoms due to retained bullet fragments in the skull base

open access: yesOtolaryngology Case Reports, 2021
Intranasal foreign bodies (FB) are a rare cause of chronic rhinosinusitis in adults. This report describes a unique case of bullet fragments embedded in the sphenoid bone and clivus for 34 years after a gunshot wound (GSW) to the face, leading to chronic
Viraj N. Shah   +3 more
doaj   +1 more source

Surgical management of a lateral sphenoid sinus encephalocele: 2-Dimensional operative video

open access: yesWorld Neurosurgery: X
Encephaloceles are considered rare with an approximate incidence of 1 in 35,000, and sphenoid encephaloceles are even more uncommon.2 Two types of sphenoid encephaloceles exist: medial perisellar encephaloceles, and lateral sphenoidal encephaloceles ...
Ryan W. Sindewald   +4 more
doaj   +1 more source

The skeleton of the green Iguana iguana (Squamata: Iguanidae) and its intraspecific morphological variation

open access: yesThe Anatomical Record, EarlyView.
Abstract The green iguana (Iguana iguana) is an iguanine lizard with herbivorous and arboreal habits, whose distribution spans through South America, Central America to the south of North America. Although the genus Iguana is well‐known, the species still lacks a comprehensive and up‐to‐date anatomical study, particularly addressing the axial skeleton,
Vieno Rosa   +2 more
wiley   +1 more source

Sphenoid mucocoele as a complication of fibrous dysplasia of the facial bones.

open access: yesJournal of the Belgian Society of Radiology, 2012
We report on a 28-year-old man with severe headache. Imaging studies included CT and MR. A large sphenoid mucocoele was demonstrated as well as findings compatible with fibrous dysplasia of the facial bones.
K De Smet   +4 more
doaj   +1 more source

Cranial anatomy of a Late Cretaceous aspidorhynchid fish (Neopterygii: Aspidorhynchiformes) from Alberta, Canada

open access: yesThe Anatomical Record, EarlyView.
Abstract Belonostomus longirostrisis was named for an isolated jaw fragment from freshwater Upper Cretaceous (Campanian) sediments of the Dinosaur Park Formation of Alberta, Canada. Following the description of the Albertan species, numerous isolated cranial and postcranial elements have been collected from the Dinosaur Park Formation and assigned to B.
Mondo Miyazato   +4 more
wiley   +1 more source

Petroclival Clinoidal Folds and Arachnoidal Membranes of the Anteromedial Incisural Space: Clinical Anatomy for Neuro Critical Care

open access: yesDiagnostics, 2023
A systematic and narrative literature review was performed, focusing attention on the anatomy of the area located at the junction of the sphenoid and the basal portion of the temporal bone (petrous bone, petrous apex, upper petro-clival region) encircled
Lorenzo Pescatori   +12 more
doaj   +1 more source

Challenges in identifying and interpreting organizational modules in morphology [PDF]

open access: yes, 2017
Form is a rich concept that agglutinates information about the proportions and topological arrangement of body parts. Modularity is readily measurable in both features, the variation of proportions (variational modules) and the organization of topology ...
Esteve-Altava, B
core   +1 more source

Novel application of gamification to support undergraduate anatomy: Student perceptions and performance

open access: yesAnatomical Sciences Education, EarlyView.
Abstract Anatomy is a foundational component of various medical and paramedical disciplines. Existing research has suggested that games or game elements can improve student interest in musculoskeletal (MSK) anatomy. This project builds on previous gamification and serious game work and incorporates new anatomy‐based games into undergraduate anatomy ...
Emmeline Berger   +2 more
wiley   +1 more source

Three cases of ectopic sphenoid sinus pituitary adenoma

open access: yesFolia Neuropathologica, 2017
Introduction : Ectopic sphenoid sinus pituitary adenoma is a rare tumour originating from embryologic remnants of Rathke’s pouch. Although it is considered a clinically benign neoplasm, necrosis is encountered in 25% of cases and it can invade adjacent ...
Ernest Jan Bobeff   +4 more
doaj   +1 more source

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