نتایج جستجو برای: jaw tumor
تعداد نتایج: 440856 فیلتر نتایج به سال:
Ossifying Fibroma is a benign fibro-osseous tumor, but osteolytic and invasive, as well being rare lesion. It manifests itself more frequently in the mandible than upper jaw, located preferably molar (52%) or premolar (25%) region. most commonly diagnosed women (5:1) between 3rd 4th decades of life. related to other pathologies such bone dysplasia, florid cement-osseous among others. This lesio...
The unwanted radiation transmission through the multileaf collimators could be reduced by the jaw tracking technique which is commercially available on Varian TrueBeam accelerators. On the basis of identical plans, this study aims to investigate the dosimetric impact of jaw tracking on the volumetric-modulated arc therapy (VMAT) plans. Using Eclipse treatment planning system (TPS), 40 jaw-track...
Carcinomas of the maxillary sinus are uncommon and comprise 3% of all head and neck cancers, and 80% of all paranasal sinus cancers. Squamous cell carcinoma is the most common malignant tumor at this site, representing 60%–90% of the total cases. A case of occult carcinoma of the maxillary antrum with features of destructive periodontitis in a 48 year old female is presented. The case reported ...
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