Results 1 to 10 of about 18,026 (210)

The supraseptal ethmoid sinus cell: A previously unreported ethmoid sinus variant [PDF]

open access: yesClinical Case Reports, 2019
To the author's knowledge, this is the first reported case in the literature of a supraseptal ethmoid sinus cell, located between the nasal septum and ethmoid roof.
Mitchell R. Gore
doaj   +5 more sources

Is the measurement of ethmoid sinus dominance in eosinophilic chronic rhinosinusitis accurate? [PDF]

open access: yesBrazilian Journal of Otorhinolaryngology
Objective: An ethmoid-dominant shadow on computed tomography is an indicator of type 2 inflammation, and is one of the main items used to diagnose and classify the severity of eosinophilic chronic rhinosinusitis in the Japanese diagnostic criteria ...
Kosuke Akiyama   +2 more
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

Clinical Manifestations and Surgical Treatment Outcomes of Paranasal Sinus Osteoma [PDF]

open access: yesJournal of Rhinology, 2022
Background and Objectives Osteomas are the most common benign tumors of the nasal cavity and paranasal sinuses (PNSs). In this study, clinical features and imaging findings were analyzed in patients with osteoma confirmed by ostiomeatal unit (OMU ...
Ara Cho   +4 more
doaj   +1 more source

Correlation of ethmoid bulla morphology and bone changes around anterior ethmoid sinus ostium with severity of chronic ethmoid sinusitis

open access: yesDi-san junyi daxue xuebao, 2021
Objective To investigate the correlation of the morphological parameters of ethmoid bulla and bone changes around anterior ethmoid sinus ostium by CT scanning with the severity of chronic ethmoid sinusitis.
LONG Yu   +3 more
doaj   +1 more source

Supplements and refinements to current classifications and nomenclature of the fronto-ethmoidal transition region by systematic analysis with 3D CT microanatomy [PDF]

open access: yesRhinology Online, 2021
Objective: The microanatomy of the fronto-ethmoidal transition region has been addressed in several classifications. CT stereoscopic imaging (3DCTSI) provides improved display and delineates three defined complex “spaces”, the Frontal Sinus/Frontal ...
S.J. Zinreich   +6 more
doaj   +1 more source

Posterior ethmoid sinus: a computed tomography analysis and classification

open access: yesThe Egyptian Journal of Otolaryngology, 2022
Background The CT details of the dimensions of the posterior ethmoid sinus are not fully covered in the literature, so building up for a base for the CT measurements and description of that area is important. Preoperative details of the posterior ethmoid
Mohammad Waheed El-Anwar   +4 more
doaj   +1 more source

Adult Rhabdomyosarcoma of Ethmoid Sinus Recurring as an Orbital Mass [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2016
Alveolar rhabdomyosarcoma (RMS) is a primitive, malignant, round cell neoplasm derived from mesenchymal tissue that exhibits partial skeletal muscle differentiation. We describe a rare case of alveolar RMS of ethmoid sinus, recurring as an orbital mass.
Bahram Eshraghi   +2 more
doaj   +1 more source

Ethnic variation in medial orbital wall anatomy and its implications for decompression surgery

open access: yesBMC Ophthalmology, 2021
Background To describe the inter-ethnic variation in medial orbital wall anatomy between Chinese, Malay, Indian and Caucasian subjects. Methods Single-centre, retrospective, Computed Tomography (CT)-based observational study.
Minhui Amy Chan   +5 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

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