Results 41 to 50 of about 12,505 (329)

Odontoameloblastoma with extensive chondroid matrix deposition in a guinea pig [PDF]

open access: yes, 2018
Odontoameloblastomas (previously incorporated within ameloblastic odontomas) are matrix-producing odontogenic mixed tumors and are closely related in histologic appearance to the 2 other types of matrix-producing odontogenic mixed tumors: odontomas and ...
Hedley, J   +4 more
core   +1 more source

A unilateral tumor of the left wall of the maxillary sinus - a case study

open access: yesJournal of Education, Health and Sport, 2018
Neoplasms of the maxillo-facial area, including the sinuses paranasal, nasal, become an increasingly difficult challenge for contemporary oncology. Information on the frequency of occupation of the anatomic area is of great importance especially in the ...
Grzegorz Wróbel
doaj   +3 more sources

Trans-nasal endoscopic and intra-oral combined approach for odontogenic cysts [PDF]

open access: yes, 2018
Maxillary cysts are a common finding in maxillofacial surgery, dentistry and otolaryngology. Treatment is surgical; a traditional approach includes Caldwell-Luc and other intra-oral approaches.
Albanese, M.   +7 more
core   +1 more source

Adenoid Cystic Carcinoma Mimicking an Oroantral Fistula: A Case Report

open access: yesInternational Archives of Otorhinolaryngology, 2014
Introduction Adenoid cystic carcinoma (ACC) is one of the most frequent malignant salivary gland tumors, which commonly affects the minor salivary glands of the mouth and is rare in the nose and paranasal sinuses.
Bárbara Vanessa de Brito Monteiro   +4 more
doaj   +1 more source

Endoscopic management of maxillary sinus inverted papilloma attachment sites to minimize disease recurrence

open access: yesJournal of Otolaryngology - Head and Neck Surgery, 2018
Background Inverted papillomas (IPs) are benign neoplasms, most commonly arising from the mucosal lining of the maxillary sinus. IPs can have single or multifocal sites of attachment.
Vincent Wu   +3 more
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   +4 more sources

Extra Nasopharyngeal Angiofibroma Simulating a Mucocele: A New Location for the Rare Entity [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2017
Angiofibromas are rare, benign, but locally aggressive vascular tumours which account for 0.05-0.5% of all head and neck neoplasms. The common variant of angiofibromas of head and neck region is Juvenile Nasopharyngeal Angiofibroma (JNAF) which is well ...
Srikanth Goud   +3 more
doaj   +1 more source

UTX Responds to Nanotopography to Suppress Macrophage Inflammatory Response by Remodeling H3K27me3 Modification

open access: yesAdvanced Science, EarlyView.
Compared with those on the pTi surface, macrophages on the TNTs surface present reduced myosin II contractility, which facilitates the nuclear translocation of the UTX. This reduction decreases the enrichment of the repressive H3K27me3 histone modification at the Abca1 gene locus, which promotes the transcription and protein expression of ABCA1 ...
Hengji Jia   +8 more
wiley   +1 more source

A Case Report of a Solitary Fibrous Tumor of the Maxillary Sinus

open access: yesReports, 2021
A solitary fibrous tumor (SFT) is a benign neoplasm, firstly described as a mesenchymal tumor of the pleura. Its incidence range in the head and neck region is about 5–27%, but only rarely does it affect paranasal sinuses.
Mattia Di Bartolomeo   +7 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  

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