نتایج جستجو برای: head and neck cancers
تعداد نتایج: 16860919 فیلتر نتایج به سال:
background: to investigate the effect of zinc sulphate for prophylaxis of radiation-induced oral mucositis in patients with head and neck cancer. materials and methods: in the department of radiation oncology, ankara numune education and research hospital, 40 patients with head and neck cancer were selected randomly to receive either zinco-c 25 mg, four tablets daily or control group who did no...
Salvage surgery is the mainstay of treatment for recurrences or secondary primary tumors in areas that were irradiated earlier. However, locoregional recurrence remains the main cause of death after surgery. Adjuvant reirradiation dramatically reduces locoregional recurrences but the risk-benefit ratio seems to be advantageous mostly for residual microscopic disease. In contrast, the rate of di...
A general review of the therapeutic experience of the management of carcinoma of the head and neck at the Massachusetts General Hospital and Massachusetts Eye and Ear Infirmary is presented. Early lesions are highly curable by radiation therapy alone; the advanced lesions are preferably treated by combined irradiation and surgery, with improved survival rates. Concepts of various approaches are...
■ Over the next few years, assessment and treatment services for patients with head and neck cancers will become increasingly concentrated in cancer centres serving populations of over a million. ■ Multidisciplinary teams (MDTs) will be central to the service, each managing at least 100 new cases of upper aerodigestive tract cancer per annum. They will be responsible for assessment, treatment p...
Despite advances in surgery, radiotherapy, and chemotherapy, survival of patients with squamous cell carcinoma of the head and neck has not significantly improved over the past 30 years. Locally recurrent or refractory disease is particularly difficult to treat. Repeat surgical resection and/or radiotherapy are often not possible, and long-term results for salvage chemotherapy are poor. Recent ...
BACKGROUND Head and neck cancers have multiple genetic abnormalities that influence tumor behavior and may be useful in developing new treatments. METHODS Genetic alterations implicated in head and neck cancer oncogenesis and behavior are reviewed, and molecular techniques for detection and treatment are evaluated. RESULTS The large number of genetic changes present in head and neck cancer ...
A critical review of the head and neck cancer research highlights of the American Society of Clinical Oncology (ASCO) meeting 2016, held in June 2016 in Chicago, is presented in this podcast. Considering the most interesting and practice-changing trials reported at the meeting, the key trial comparing gemcitabine plus cisplatin against 5-FU (5-fluorouracil) plus cisplatin in the treatment of na...
Head and neck cancer is the sixth most common cancer worldwide. HNCs can originate in the skin or soft tissue, in the upper aerodigestive tracts (oral cavity, oropharynx, hypopharynx, larynx, nasopharynx, paranasal sinuses, salivary glands), or in the thyroid. In each of these sites, tumors vary not only by the primary site but also by pathophysiology, biological behavior, and sensitivity to ra...
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...
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