Results 1 to 10 of about 15,434 (136)

Hypopituitarism due to a Large Osteoclastoma Arising from the Sphenoid Bone Invading the Pituitary Fossa in a Patient with Parathyroid Carcinoma [PDF]

open access: yesCase Reports in Endocrinology, 2023
Background. Parathyroid carcinoma accounts for
Leonardo Bandeira   +5 more
doaj   +2 more sources

Osseous Bridges of the Sphenoid Bone: Frequency, Bilateral and Sex Distribution [PDF]

open access: yesBiology, 2023
Sellar (caroticoclinoid and interclinoid), pterygospinous and pterygoalar bridges are osseous bars of the sphenoid bone, which enclose additional foramina in the skull base and could cause entrapment of nerves, occlusion of vessels and obstruction of ...
Silviya Nikolova   +3 more
doaj   +2 more sources

Intraoperative frozen cytology of intraosseous cystic meningioma in the sphenoid bone [PDF]

open access: yesJournal of Pathology and Translational Medicine, 2020
Meningiomas in bone are rarely subjected to fine-needle aspiration diagnosis, and those arising in the skull bone with a cystic presentation are rare. A 24-year-old woman presented with subdural hemorrhage, and subsequent radiology depicted an osteolytic
Na Rae Kim, Gie-Taek Yie
doaj   +2 more sources

Computed Tomography-Based Morphometric Analysis of Ossification Centers of Lesser Wings of Sphenoid Bone in Human Fetuses [PDF]

open access: yesBrain Sciences
Objectives: The aim of the present study was to examine the growth dynamics of the ossification centers of the lesser wings of the sphenoid bone in the human fetus based on linear, planar, and volumetric parameters. Methods: The examinations were carried
Magdalena Grzonkowska   +2 more
doaj   +2 more sources

Garcin syndrome caused by sphenoid bone metastasis of lung cancer: a case study [PDF]

open access: yesWorld Journal of Surgical Oncology, 2018
Background Garcin syndrome, which consists of unilateral palsies of almost all cranial nerves without either sensory or motor long-tract disturbances or intracranial hypertension, can be caused by malignant tumors at the skull base. The case of a patient
Satoshi Fukai   +4 more
doaj   +2 more sources

Nontraumatic intradiploic arachnoid cyst of the sphenoid bone [PDF]

open access: yesRadiology Case Reports, 2018
The intradiploic arachnoid cysts are rare radiological entities which are generally post-traumatic in nature and occur mostly in occipital region. We present a rare case of non-traumatic, asymptomatic intradiploic cyst of the greater wing of sphenoid in ...
Ashim Kumar Lahiri, MD, DNB, FRCR   +1 more
doaj   +2 more sources

Endoscopic resection of adult sphenoid sinus myofibroma: a rare case report with narrative review [PDF]

open access: yesFrontiers in Oncology
This study documents an exceptionally rare instance of primary myofibroma originating in the sphenoid sinus of a 60-year-old female patient, who presented with acute progressive diplopia, ptosis, and headache.
Chong Zhang   +5 more
doaj   +2 more sources

Evaluation of the Relationship Between Zygomatic Process and Sphenoid Sinus Pneumatization in Cone-Beam Computed Tomography Images [PDF]

open access: yesDiagnostics
Background/Objectives: Current evidence regarding the association between the temporal bone and paranasal sinus pneumatization remains limited.
Ezgi Katı   +2 more
doaj   +2 more sources

Sphenoid sinus osteitis after endoscopic transsphenoidal surgery: a bone-centered postoperative entity [PDF]

open access: yesActa Neurochirurgica
Purpose Despite advances in endoscopic skull base surgery, postoperative sinonasal inflammation remains poorly characterized. In particular, sphenoid sinus osteitis has received little attention, as complications after endoscopic transsphenoidal surgery (
Burak Çabuk   +8 more
doaj   +2 more sources

Unusual large central sphenoethmoidal cell separating the two sphenoid sinuses - A case report

open access: yesTranslational Research in Anatomy, 2022
Background: The preoperative study of the sphenoid sinus and sphenoethmoidal cells is fundamental for successful surgery and complication avoidance. Sphenoethmoidal cells are those cells that extend superolaterally into the ipsilateral sphenoid sinus ...
Haider Majid Haider AL-Zaidi   +1 more
doaj   +1 more source

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