Results 131 to 140 of about 309,469 (351)

Frequency Estimation of Multi-Sinusoidal Signals in Finite-Time [PDF]

open access: yesarXiv, 2020
This paper considers the problem of frequency estimation for a multi-sinusoidal signal consisting of n sinuses in finite-time. The parameterization approach based on applying delay operators to a measurable signal is used. The result is the nth order linear regression model with n parameters, which depends on the signals frequencies.
arxiv  

Gender assessment through three-dimensional analysis of maxillary sinuses by means of Cone Beam Computed Tomography [PDF]

open access: yes, 2015
OBJECTIVE: The availability of a low dose radiation technology such as Cone Beam Computed Tomography (CBCT) in dental practice has increased the number of scans available for forensic purposes. Moreover, specific software allows for three-dimensional (
Carderi S   +7 more
core  

Incidental finding of lymphoma after septoplasty. [PDF]

open access: yes, 2016
IntroductionSeptoplasty, or surgical correction of the deviated septum, is an elective, routinely performed rhinologic procedure to address nasal airway obstruction.
Bhuta, Sunita M   +5 more
core   +2 more sources

A case of mucocele infiltrate to orbit and frontal lobe

open access: yesTurkish Archives of Otorhinolaryngology, 2012
Mucocele is slow-growing and locally aggressive lesion of the paranasal sinuses. Mucoceles of the paranasal sinuses most commonly occur in the frontal, and ethmoidal sinuses.
Selahattin Tuğrul
doaj   +1 more source

Impact of MYD88 and/or CD79B mutations on central nervous system relapse in patients with diffuse large B‐cell lymphoma

open access: yesBritish Journal of Haematology, EarlyView.
This study examined the effect of MYD88L265P (myeloid differentiation primary response gene 88 mutation L265P) and/or CD79BY196 (cluster of differentiation 79B gene mutation Y196) on central nervous system (CNS) relapse in 270 patients with newly diagnosed diffuse large B‐cell lymphoma.
Tomotaka Suzuki   +14 more
wiley   +1 more source

The diagnostic and treatment of perforative odontogenic maxillitis

open access: yesЭндодонтия Today, 2020
It is generally admitted that complications during treatment of chronic odontogenic maxillitis and recurrences of the disease are related to the abnormal architectonics of the nasal cavity and to the pathology of other paranasal sinuses.

doaj  

Giant Primary Schwannoma of the Left Nasal Cavity and Ethmoid Sinus

open access: yesCase Reports in Otolaryngology, 2016
A unilateral tumour in the nasal cavity or paranasal sinuses is commonly caused by polyps, cysts, and mucoceles, as well as invasive tumours such as papillomas and squamous cell carcinomas.
Eugene Wong   +4 more
doaj   +1 more source

Primary Non-Hodgkin's Malignant Lymphoma of the Sinonasal Tract [PDF]

open access: yes, 2009
Primary non-Hodgkin’s lymphomas (NHL) of the sinonasal tract are rather uncommon entities. Morphologically and radiographically, sinonasal lymphomas are difficult to distinguish from other malignant neoplasms or non- neoplastic processes.
Bhagat, Sanjeev   +4 more
core  

Osteoma of the paranasal sinuses

open access: yesIndian Journal of Otolaryngology and Head and Neck Surgery, 2003
Osteamas of the paranasal sinuses are rare, They often appear as a coincidental finding on X-ray in patients having radiographs for same other reasons. Tomographic evaluation is the mainstay surgical access and its subsequent follow up. We report a series of 20 cases of osteamas of the paranasal sinuses who underwent surgery for their symptoms.
Ramesh C. Deka   +2 more
openaire   +4 more sources

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