Results 11 to 20 of about 85,985 (292)

Setting of an endoscopic nasal reference point for surgical access to the anterior base through an anatomical study on cadavers [PDF]

open access: yesBrazilian Journal of Otorhinolaryngology, 2016
Introduction: Diseases of paranasal sinuses, nasal cavity, and skull base can be treated by endonasal operations using a nasal rigid endoscope. When conducting this kind of surgery, anatomical references are critical for safety.
Andressa Vinha Zanuncio   +4 more
doaj   +3 more sources

Evaluation of paranasal sinus diseases by computed tomography and its histopathological correlation

open access: yesJournal of Oral and Maxillofacial Radiology, 2017
Context: Paranasal sinus (PNS) diseases affect a wide range of population and include a broad spectrum of diseases ranging from inflammatory conditions to neoplasms, both benign and malignant. Since their clinical assessment is fraught by the surrounding
Sarabpreet Singh Kanwar   +5 more
doaj   +2 more sources

T-cell regulation in chronic paranasal sinus disease [PDF]

open access: bronzeJournal of Allergy and Clinical Immunology, 2008
Chronic rhinosinusitis is an inflammatory disease with distinct cytokine and remodeling patterns. Chronic rhinosinusitis with nasal polyps (CRSwNP) is characterized by a T(H)2-skewed eosinophilic inflammation, whereas chronic rhinosinusitis without nasal polyps (CRSsNP) represents a predominant T(H)1 milieu.We aimed to study the direct tissue ...
Nicholas Van Bruaene   +10 more
openalex   +4 more sources

PARANASAL SINUS DISEASE IN INFANTS AND YOUNG CHILDREN

open access: greenJAMA: The Journal of the American Medical Association, 1925
The complications of paranasal sinus infection in infants and young children are numerous. Acute suppurative paranasal sinus disease and acute suppurative otitis media go together. Numerous ocular conditions, phlyctenular conjunctivitis, iritis, retrobulbar neuritis and choroiditis are usually benefited by the treatment of the coexistent paranasal ...
L. W. Dean
openalex   +4 more sources

ANATOMIC VARIATIONS OF PARANASAL SINUSES IN PATIENTS WITH CHRONIC SINUSITIS AND THEIR CORRELATION WITH CT SCAN STAGING [PDF]

open access: yesActa Medica Iranica, 2007
The presence of anatomic variations of paranasal sinuses must be noted in order to attain a full understanding and accurate diagnosis of chronic sinusitis. The frequency of anatomic variations in chronic sinusitis is different in various studies.
M. H. Baradaranfar   +1 more
doaj   +4 more sources

Variability of Paranasal Sinus Pneumatization in the Absence of Sinus Disease [PDF]

open access: yesOchsner Journal, 2020
Background: Paranasal sinus pneumatization is a complex process, and numerous computed tomography (CT) studies document developmental variations in the setting of underlying sinus disease. The purpose of this study was to investigate variation in paranasal sinus pneumatization in a population of nondiseased subjects using a metric validated for ...
Eric L. Wu   +6 more
openaire   +3 more sources

Two Cases of Frontal Sinus Inverted Papilloma Treated With a Combined Bifrontal Craniotomy and Endonasal Endoscopic Approach [PDF]

open access: yesJournal of Rhinology, 2023
An inverted papilloma of the frontal sinus is a challenging lesion for surgeons, for both anatomical and pathological reasons. Despite the trend away from an external approach and towards an endonasal endoscopic approach, indications for an external ...
Jae Seong An, Do Hyun Kim
doaj   +1 more source

Metastatic renal cell carcinoma presenting as a paranasal sinus mass: the importance of differential diagnosis [PDF]

open access: yes, 2017
Metastases in the paranasal sinuses are rare; renal cell carcinoma is the most common cancer that metastasizes to this region. We present the case of a patient with a 4-month history of a rapidly growing mass of the nasal pyramid following a nasal trauma,
ALTISSIMI, Giancarlo   +3 more
core   +8 more sources

Detection of Dental Pathologies in Routine Paranasal CT Scans: A Retrospective Study [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2017
Introduction: Multidetector Computed Tomography (MDCT) is a widespread method for evaluating paranasal sinuses and nasal cavity in daily practice.
Erdogan Bulbul   +2 more
doaj   +1 more source

Maxillary Sinusitis of Odontogenic Origin: Prevalence among 3D Imaging—A Retrospective Study

open access: yesApplied Sciences, 2022
The aim of this study was to investigate the prevalence of maxillary sinus mucosal thickening and compare it to the presence of odontogenic pathology of adjacent teeth.
Sari A. Mahasneh   +6 more
doaj   +1 more source

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