Results 1 to 10 of about 11,677 (213)

Isolated fibrous dysplasia of the ethmoid sinus

open access: yesSAGE Open Medical Case Reports, 2015
Fibrous dysplasia is a benign fibro-osseous lesion progressing with one or more bone involvements in the skeleton. Even though it is a benign tumor, it may potentially transform into a malignant one.
Alper Yenigun, Servet Akyuz
doaj   +2 more sources

Ethmoid Sinus Mucocele Penetrating the Anterior Skull Base: A Case Report [PDF]

open access: yesJournal of Rhinology
Sinus mucoceles are nonmalignant cystic tumors lined by non-neoplastic epithelium, typically involving the frontal and ethmoid sinuses. Although it is common for these mucoceles to cause destruction of surrounding bone tissue due to their growth ...
Byung Jae Kang   +3 more
doaj   +2 more sources

Anatomical identification of supraseptal posterior ethmoid cells and its significance for endoscopic sinus surgery

open access: yesFolia Morphologica, 2023
BACKGROUND: To investigate the anatomical imaging characteristics of supraseptal posterior ethmoid cells (SPEC). MATERIALS AND METHODS: Paranasal sinus computed tomography scans of 153 inpatients from February 2019 to September 2021 were reviewed, and ...
J. Liu, Y. Wang, Z. Yan, Y. Yang
doaj   +1 more source

Observation of successful treatment of penetrating traumatic brain injury followed by nasal liquorrhea for 61 years

open access: yesUkrainian Neurosurgical Journal, 2012
An observation of penetrating traumatic brain injury, made by awl in childhood, followed by remittent nasal liquorrhea and purulent meningoencephalitis for 61 years, is given.For diagnosis clarifying biochemical study of nasal secretion ...
Lyudmila Dzyak   +4 more
doaj   +1 more source

Highly Aggressive Osteosarcoma of the Ethmoids and Maxillary Sinus-A Case of Successful Surgery and Proton Beam Radiotherapy in a 65-Year-Old Man

open access: yesMedicina, 2022
Sarcomas in the head and neck area are rare diseases with an incidence of under 1% of all head and neck malignant tumours. Osteosarcomas or osteogenic sarcomas consist of neoplastic cells that produce osteoid bone or immature bone.
Jaromír Astl   +6 more
doaj   +1 more source

Spontaneous cerebrospinal fluid fistula secondary to hyper-pneumatized paranasal sinuses and skull base: two case reports

open access: yesThe Egyptian Journal of Radiology and Nuclear Medicine, 2023
Background Spontaneous cerebrospinal fluid (CSF) fistulas occur due to various reasons other than well-identified causes such as trauma, neoplasia or infection.
Shweta Raviraj Poojary   +4 more
doaj   +1 more source

Effect of Embryonic Alcohol Exposure on Craniofacial and Skin Melanocyte Development: Insights from Zebrafish (Danio rerio)

open access: yesToxics, 2022
Alcohol is a common addictive substance and prenatal alcohol exposure could cause fetal alcohol spectrum disorder (FASD) and can lead to various birth defects.
Parnia Azimian Zavareh   +3 more
doaj   +1 more source

Advanced CT imaging demonstrating the bulla lamella and the basal lamella of the middle turbinate as endoscopic landmarks for the anterior ethmoid artery [PDF]

open access: yesRhinology Online, 2019
Objective: Our objective is to show how the use of Computer Tomography (CT) multiplanar displays (MPR) and 3D Stereoscopic Imaging (3DSI), can provide precise anatomical landmarks to identify the location of the Anterior Ethmoid Artery (AEA) during ...
S. J. Zinreich   +4 more
doaj   +1 more source

Patterns of Pneumatization of the Posterior Nasal Roof

open access: yesTomography, 2022
(1) Background: For good surgical performance, sound knowledge of anatomy is required. Although the ethmoid air cells and sphenoid sinuses are subject to a high degree of variation, their possible extensions above the nasal fossa at the posterior end of ...
Alexandru Nicolae Mureșan   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy