Results 21 to 30 of about 16,657 (228)

The potential impact of CT-MRI matching on tumor volume delineation in advanced head and neck cancer [PDF]

, 1997
To study the potential impact of the combined use of CT and MRI scans on the Gross Tumor Volume (GTV) estimation and interobserver variation. Four observers outlined the GTV in six patients with advanced head and neck cancer on CT, axial MRI, and coronal
Bartelink, H, de Ru, V, Keus, R, Koops, W, Lebesque, J V, Muller, S, Pameijer, F A, Rasch, C, Touw, A, van Herk, M, Van Herk, Marcel   +10 more
core   +3 more sources

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

Ukrainian 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, Andriy Sirko, Ihor Kirpa, E. Sapronova, Ekaterina Mizyakina   +4 more
doaj   +1 more source

Case report: Aneurysmal bone cyst arising from the anterior ethmoid sinus

Otolaryngology Case Reports, 2019
Introduction: Aneurysmal bone cyst (ABC) is an expansible bone lesion that occurs usually in long bones. Rarely, it involves the head and neck regions.
Yazeed Alghonaim, Shahad Alsaigh, Ali H. Alassiri, Makki Almuntashri   +3 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

Medicina, 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, Tomas Belsan, Ludmila Michnova, Jiří Kubeš, Tomas Filipovsky, Jiri Blecha, Richard Holy   +6 more
doaj   +1 more source

Osteoma of the ethmoid and lacrimal bone

Journal of Maxillofacial Surgery, 1979
The true osteoma is a benign tumour, which mainly occurs in the bones and cavities of the middle third of the face. This article discribes a case of a true osteoma of considerable size arising from the junction of the lacrimal and ethmoid bones of a 19-years-old boy causing limitation of the field of vision.
GIANNOULOPOULOS, A, IATROU, J
openaire   +3 more sources

Use of balloon catheter dilation vs. traditional endoscopic sinus surgery in management of light and severe chronic rhinosinusitis of the frontal sinus: a multicenter prospective randomized study [PDF]

, 2018
OBJECTIVE: Chronic rhinosinusitis (CRS) of the frontal sinus is a complex pathological condition and many surgical techniques were described to treat this area endoscopically, like traditional endoscopic sinus surgery (ESS) and balloon catheter dilation (
Azimonti, D, Cavaliere, C, Dragonetti, A, Franzetti, A, Minni, A, Rosati, D, Sciuto, A   +6 more
core   +1 more source

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

The 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, Divya Vishwanatha Kini, T. R. Kapilamoorthy, Kavitha B. Chittaragi, Balasubramanian Gurumurthy   +4 more
doaj   +1 more source

A Giant Maxillary Mucocele Presenting Left Cheek Swelling [PDF]

Journal of Rhinology, 2022
A paranasal sinus mucocele is an epithelial-lined, mucus-containing sac that completely fills the sinus and forms an expandable cystic structure. It most commonly affects the frontal and ethmoidal sinuses, and rarely the maxillary and sphenoid sinuses ...
Moon Seung Baeg, Hyeok Ro Kwon, Jin Soon Chang   +2 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]

Rhinology 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, H. Stammberger, W. Bolger, M. Solaiyappan, M. Ishii   +4 more
doaj   +1 more source

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

Toxics, 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, Praneeth Silva, Nuwanthika Gimhani, Devi Atukorallaya   +3 more
doaj   +1 more source