نتایج جستجو برای: head and neck irradiation
تعداد نتایج: 16866348 فیلتر نتایج به سال:
Almost all patients (90-100%) who have undergone radiation treatment (RT) of head and neck region develop at least one oral complication. Oral complications of head and neck RT can be acute and chronic. Acute complications occur during RT and include oral mucositis, dry mouth and taste sensation disorder. Chronic complications occur several weeks, months or years after RT cessation, and include...
Dose homogeneity in head and neck tumour irradiation is a challenging task for conventional radiotherapy due to large anatomic contour irregularities and tissue heterogeneities in irradiation volumes. We present a simple technique based on the omni-wedge concept which uses superimposed fields, orthogonally wedged, to improve target-volumes homogeneity in head and neck tumour irradiation. The ro...
although esophageal liposarcoma is an extremely rare tumor, liposarcoma is the most common soft tissue sarcoma in adults. liposarcoma is currently classified into the types of well-differentiated, myxoid, round cell, pleomorphic and dedifferentiated liposarcoma. up to now only a few cases of esophagus liposarcoma have been described in the world literature. we describe a myxoid type liposarcoma...
conclusions the application of natural honey is effective in managing and preventing radiation-induced stomatitis in patients with head and neck cancers. results the results showed that severe stomatitis in groups of honey, chamomile and control was 0, 5.7%, and 17.6%, respectively. on the 14th day, it was 0, 0, and 17.6%, respectively. there were significant differences between the three group...
introduction xerostomia is one of side-effects of radiotherapy for head and neck cancers. no definitive method has been proposed for the treatment of this condition. however, pilocarpine is considered effective for the management of chronic xerostomia. the purpose of the present study was to assess the preventive effect of pilocarpine. materials and methods this study was performed on 34 patien...
Locoregional recurrence is the most common cause of failure after head and neck cancer surgery. It is a disease which causes significant morbidity especially on speech and swallowing. There are many different treatments available including surgery, reirradiation and chemotherapy. However, none of these have produced any significant survival benefit. Because of this, there has been considerable ...
Introduction ...........................................................191 Historical Overview • Rationale for the Use of IMRT in Head and Neck Tumors IMRT Treatment Of Primary Head And Neck Cancer At MSKCC ....................................194 Primary Nasopharyngeal Carcinoma • Thyroid Cancer Clinical Approach To IMRT Treatment For Head And Neck Cancer Patients .......................197 Co...
Treatment of head and neck cancers is still rather poor and worldwide new treatment options are sought. Sensitizing radioresistant tumours by combining irradiation with other therapeutics to induce apoptosis are widely investigated. We examined whether chicken anaemia virus-derived apoptin protein would have a beneficial effect on irradiation of radiosensitive SCC61 and radioresistant SQD9 huma...
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