Results 11 to 20 of about 17,873 (241)

Developmental anomaly – A duplicate fronto-ethmoidal sinus complex

open access: yesOtolaryngology Case Reports, 2018
Background: Fronto-ethmoidal sinus tumors can be benign or malignant. Case presentation: This case reports a patient with a long-standing frontal sinus lesion who presented with seizures. Imaging findings suggested malignancy.
Isabelle J. Jang   +3 more
doaj   +1 more source

Is the frontal sinus immune to carcinoma? A retrospective study and review of the literature

open access: yesThe Egyptian Journal of Otolaryngology, 2023
Background Frontal sinus carcinoma is commonly seen as an extension of the ethmoid sinus, overlying skin, or lacrimal gland. The existence of this disease has been unclear. We aimed to describe the occurrence of primary frontal sinus carcinoma.
Mohamed Rifai   +2 more
doaj   +1 more source

Frequency of the odontogenic maxillary sinusitis extended to the anterior ethmoid sinus and response to surgical treatment [PDF]

open access: yes, 2014
Objectives: Odontogenic sinusitis usually affects the maxillary sinus but may extend to the anterior ethmoid si - nuses. The purpose of this study is to determine the percentage of odontogenic maxillary sinusitis extended to the anterior ethmoid sinuses ...
Crovetto de la Torre, Miguel Angel   +4 more
core   +2 more sources

Imaging for endoscopic sinus surgery in adults [PDF]

open access: yes, 2002
Computerized tomography (CT) offers the gold standard in terms of imaging the extent of disease and the fine detailed anatomy, both pre-requisites to the safe practice of endoscopic sinus surgery. Neither plain X-rays nor magnetic resonance imaging (MRI)
Lloyd, G, Lund, VJ, Savy, L
core   +1 more source

Endoscopic dacryocystorhinostomy with mucosal anastomosing in chronic dacryocystitis with three categories of ethmoid sinuses [PDF]

open access: yesInternational Journal of Ophthalmology, 2022
AIM: To evaluate the outcome of endoscopic dacryocystorhinostomy (En-DCR) with mucosal anastomosis in chronic dacryocystitis patients, with various categories of ethmoid sinuses.
Yao-Hua Wang   +5 more
doaj   +1 more source

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]

open access: yes, 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   +6 more
core   +1 more source

3D CT stereoscopic imaging: observations of the frontal and anterior ethmoid sinuses development from birth to early adulthood [PDF]

open access: yesRhinology Online, 2022
Objective: Our objective is to provide observations demonstrated with 3Dimensional Computed x-ray Stereoscopic Imaging (3DCTSI) in the evaluation of the anterior ethmoid and frontal sinus development from birth to age 18.
S.J. Zinreich   +5 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

Correction of a brow ridge deformity in a comminuted depressed skull fracture using a multiple-layered pericranial flap: the Persian carpet method [PDF]

open access: yesArchives of Aesthetic Plastic Surgery, 2021
Frontal sinus fractures are common traumatic injuries of the head and neck, accounting for 8% of facial fractures. When a severe frontal sinus fracture and a naso-ethmoid-orbital fracture occur together, a postoperative contour deformity is highly likely.
Daiwon Jun   +3 more
doaj   +1 more source

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

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