Results 71 to 80 of about 260,940 (261)

Progress in bone tissue engineering biomaterials: Development, challenges, and prospects

open access: yesVIEW, EarlyView.
Scheme 1 Application of biomaterials in immunomodulation during bone tissue engineering. Abstract Bone defect repair remains a major clinical challenge in orthopedics. Over 2 million cases caused by trauma, tumors, and other factors occur annually, with large‐scale defects posing a particular bottleneck due to limited self‐healing capacity.
Yuanbin Zhang   +7 more
wiley   +1 more source

Hybrid Ameloblastoma of the Maxilla: A Puzzling Pathology

open access: yesIranian Journal of Medical Sciences, 2016
Ameloblastomas are slow growing, locally invasive, benign odontogenic tumors of an epithelial origin, accounting for approximately 1% of all oral tumors. A 40-year-old man presented with a chief complaint of a swelling over the left side of his face of 4 
Chintamaneni Raja Lakshmi   +5 more
doaj  

Inflammatory myofibroblastic tumor of the maxillary sinus: A case report

open access: yesEar, Nose & Throat Journal
Inflammatory myofibroblastic tumors (IMTs) are one of the most complex and rare neoplasms that have been discovered, with varying behavior in different cases.
Dua Siddiqui MBBS   +4 more
doaj   +1 more source

A RARE CASE OF SPONTANEOUS PNEUMOCEPHALUS AS A COMPLICATION OF NONTRAUMATIC CEREBROSPINAL FLUID RHINORRHEA. AN EVIDENCEBASED REVIEW

open access: yesАрхивъ внутренней медицины, 2017
Pneumocephalus is defined as intracranial air. Pneumaticcephaly is associated with several etiological factors, such as head injuries, surgical interventions, infections and neoplasms.
E. V. Shelesko   +2 more
doaj   +1 more source

Outcomes in Orbit‐Sparing Versus Orbit‐Sacrificing Surgery for Sinonasal Malignancies With Orbital Involvement: A Systematic Review and Meta‐Analysis

open access: yesWorld Journal of Otorhinolaryngology - Head and Neck Surgery, EarlyView.
ABSTRACT Background Sinonasal malignancies with orbital involvement may be managed with orbit‐sacrificing or orbit‐preserving surgical approaches, with a recent shift towards orbital preservation to reduce postoperative morbidity while maintaining oncological success.
Claire Jing‐Wen Tan   +9 more
wiley   +1 more source

Atypical presentation of antrochoanal polyp in a child

open access: yesThe Turkish Journal of Pediatrics, 2011
Antrochoanal polyp is a benign, solitary polypoid lesion arising from the edematous mucosa of the maxillary sinus and extending through the maxillary ostium into the nose. In children, it constitutes 33% of all nasal polyps.
Leyla Kansu, Erdinç Aydin
doaj  

A Rare Presentation of Central Giant Cell Granuloma of the Maxillary Sinus

open access: yesJournal of Aziz Fatimah Medical and Dental College, 2019
Central giant cell granuloma (CGCG), also known as giant cell reparative granuloma, is a non-cancerous proliferative lesion of unknown etiology. It is a localized osteolytic lesion with the diverse biological behavior of aggression which most commonly ...
Muhammad Saleem, Danish Hassnain
doaj   +1 more source

Obesity and Its Impact on Endoscopic Sinus Surgery Outcomes in Patients With Chronic Rhinosinusitis With Nasal Polyps

open access: yesWorld Journal of Otorhinolaryngology - Head and Neck Surgery, EarlyView.
ABSTRACT Purpose The rising prevalence of obesity introduces challenges in surgical contexts, including endoscopic sinus surgery (ESS) for chronic rhinosinusitis with nasal polyps (CRSwNP). However, the impact of obesity on ESS outcomes remains underexplored. This study aims to evaluate the association between obesity and surgical complexity, operative
Hen Chaushu   +6 more
wiley   +1 more source

Intraoral mass presenting as maxillary sinus carcinoma: a case report.

open access: yesFrontiers in Dentistry, 2013
Sinonasal undifferentiated carcinoma is an extremely rare malignancy of the paranasal sinuses and nasal cavity. It is of unknown etiology, and occurs more commonly in the elderly men, with a routinely shown aggressive behavior and poor prognosis for ...
Omid Mahdavi   +3 more
doaj  

Squamous Odontogenic Tumor-like Proliferation within a Nonkeratinized Odontogenic Cyst of the Maxilla

open access: yesJournal of Primary Care Dentistry and Oral Health
Squamous odontogenic tumor-like proliferations (SOTLPs) are uncommon and incidental findings in odontogenic cysts. The histopathologic features overlap with central squamous odontogenic tumor and other aggressive odontogenic neoplasms, which pose a real ...
Kapil Dhungana   +3 more
doaj   +1 more source

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