Results 41 to 50 of about 24,182 (265)

Recurrent Giant Cell Tumor of Sphenoid Bone: A Rare Finding. [PDF]

open access: greenIndian J Otolaryngol Head Neck Surg, 2023
Simran   +5 more
europepmc   +3 more sources

Agenesis of the sphenoid sinus and a single sphenoid sinus: a computed tomography anatomical evaluation

open access: yesFolia Morphologica, 2021
BACKGROUND: Sphenoid sinuses are pneumatic spaces within the body of the sphenoid bone. Their development begins in the prenatal life and continues until the adulthood. Agenesis of the sphenoid sinuses is a situation in which they are undeveloped. On the
J. Jaworek-Troć   +10 more
doaj   +1 more source

Anatomic Study of Endoscopic Transnasal Approach to Petrous Apex [PDF]

open access: yesE3S Web of Conferences, 2020
With the development of Neurosurgery technology, there has been a qualitative leap forward with the appearance of microanatomy, which makes the deep brain tumors which were hard to be achieved in the past, and effectively reduces the mortality of ...
He Wenyuan, Qin Qingying, Wang Guxian
doaj   +1 more source

Pneumatization of the sphenoid sinus, dorsum sellae and posterior clinoid processes in computed tomography [PDF]

open access: yes, 2018
Purpose: Assessment of sphenoid sinus (SS), posterior clinoid process (PCP), and dorsum sellae (DS) pneumatisation is significant when planning surgical approaches both to intra- and extrasellar pathologies. The authors analysed pneumatisation of the SS,
Ilków, Wojciech   +3 more
core   +1 more source

A rare case of neurofibromatosis type 1

open access: yesJournal of Dr. NTR University of Health Sciences, 2016
Neurofibromatosis type 1 disease is characterized by pigmented cutaneous lesions and generalized tumors of neural crest origin. Sphenoid dysplasia is one of the characteristics of this syndrome which occurs in 5-10% of the cases.
Vijaya Prasad Balda   +2 more
doaj   +1 more source

Optimum imaging for mucoceles [PDF]

open access: yes, 2000
A mucocele is an epithelial lined mucus-containing sac completely filling a paranasal sinus and capable of expansion. They are relatively unusual, occurring most frequently in the fronto-ethmoidal region. The imaging features on plain X-ray, computerized
Howard, D, Lloyd, G, Lund, VJ, Savy, L
core   +1 more source

Where does the cranial base flexion take place in humans? [PDF]

open access: yesAnais da Academia Brasileira de Ciências, 2020
The modern human has the most flexed cranial base among all living animals. The flexure allowed a larger cranial volume to accommodate a greater brain. Spheno-occipitalis synchondrosis (SOS) has been largely responsible for cranial base flexion, between ...
RICARDO V. BOTELHO   +2 more
doaj   +1 more source

Principles of Pituitary Surgery [PDF]

open access: yes, 2018
Key Points 1. Understand the principles of pituitary surgery including the key-elements of surgical planning and decision-making 2. Identify the technical nuances distinguishing the endoscopic from the microscopic transsphenoidal approach 3.
Evans, James J.   +4 more
core   +2 more sources

Biphenotypic Sinonasal Sarcoma-Case Report and Review of Clinicopathological Features and Diagnostic Modalities. [PDF]

open access: yes, 2019
Background Biphenotypic sinonasal sarcoma is a recently described malignancy showing dual differentiation with both myogenic and neural elements. Due to its histologic similarities to other sinonasal malignancies, it is a diagnostic challenge.
Chitguppi, Chandala   +6 more
core   +2 more sources

Aggressive osteoblastoma of the sphenoid bone

open access: yesOncology Letters, 2010
For osteoblastoma, with its predilection for the spinal column and appendicular skeleton, the skull is an unusual site, and paranasal sinus involvement is very rare. Herein, we report on a case in which the disease was located within the sphenoid bone.
Wojciech, Kukwa   +5 more
openaire   +3 more sources

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