Results 31 to 40 of about 38,041 (292)

Fibrosarcomas of the Paranasal Sinuses: A Systematic Review

open access: yesCureus, 2022
Fibrosarcomas are rare, malignant neoplasms of mesenchymal origin. Fibrosarcomas appear to be sporadic, but cases of fibrosarcomas secondary to radiation of nasopharyngeal carcinomas have been reported. Paranasal sinus fibrosarcomas (PNFS) are even rarer
Moneb S Bughrara   +6 more
semanticscholar   +1 more source

Monotherapy With Immune Checkpoint Inhibitors in Patients With Recurrent and/or Metastatic Sinonasal Squamous Cell Carcinoma. [PDF]

open access: yesCancer Med
ABSTRACT Introduction Sinonasal squamous cell carcinoma (SNSCC) is a rare malignancy with limited data on effective treatment modalities in the recurrent and/or metastatic (r/m) setting. While immune checkpoint inhibitors (ICIs) have shown promise in treating head and neck cancers, in general, their effects in SNSCC remain poorly understood ...
Lein A   +11 more
europepmc   +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

Nasopharyngeal Melanoma [PDF]

open access: yes, 2018
Mucosal nasopharyngeal melanoma is a rare head and neck melanoma. Prognosis is poor (5-year overall survival rate of 10–30%) with high rates of metastases and local recurrence. Head and neck mucosal melanoma represents 0.8–3.7% of all melanomas and 0.03%
Calvieri, Stefano   +4 more
core   +1 more source

Paranasal sinuses malignancies : a 12-year review of clinical characteristics [PDF]

open access: yes, 2016
Inadequate epidemiologic investigations of the paranasal sinuses malignancies prompted this retrospective study with special emphasis on a major group of 111 tumors.
Chamani, Mojtaba   +3 more
core   +1 more source

Glomangiopericytoma

open access: yesPhilippine Journal of Pathology, 2022
Glomangiopericytoma is a rare neoplasm of the nasal and paranasal sinuses comprising less than 1% of all tumors of the said region. We report of a 59-year-old hypertensive male who presented with epistaxis.
Karen Damian, Rachel Alegata
doaj   +1 more source

Optimum imaging for sinonasal malignancy [PDF]

open access: yes, 2002
A combination of computed tomography (CT) and magnetic resonance imaging (MRI) is now established as the optimum assessment of sinonasal malignancy.
Howard, D, Lloyd, G, Lund, VJ, Savy, L
core   +1 more source

Carcinoma of sphenoid sinus in young individual - Case report

open access: yesJournal of Medical and Scientific Research, 2022
Neoplasms of paranasal sinuses account for 0.2-0.8% of all cancers and for 2-3% of head and neck cancers. Primary involvement of sphenoidal sinus is very rare and has been reported to occur only in 1-2% of all paranasal sinus tumors.
S. C   +5 more
semanticscholar   +1 more source

Imaging of adult ocular and orbital pathology - a pictorial review [PDF]

open access: yes, 2014
Orbital pathology often presents a diagnostic challenge to the reporting radiologist. The aetiology is protean, and clinical input is therefore often necessary to narrow the differential diagnosis.
Brennan, Paul   +8 more
core   +1 more source

Case report of rare melanoma of inferior part of frontal sinus and ethmoidal labyrinth with transition to orbital fat

open access: yesRussian otorhinolaryngology, 2022
Malignant tumors of the mucous membrane of the paranasal sinuses and nasal cavity are quite rare, which is from 0,2 to 1,3% of all malignant tumors of the head and neck.
A. Klochikhin, V. V. Byrikhina
semanticscholar   +1 more source

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