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Aim: In the present study, we evaluated treatment tolerance and side effects of 6 days a week accelerated radiation therapy using concomitant boost methods with chemotherapy in locally advanced head and neck cancer. Materials and Methods: Thirty patients suffered locally advanced head and neck malignancies were included into this clinical trial. The patients were scheduled for accelerated radiotherapy with total dose of 70 Gy 6 days a week (5 days radiotherapy and 1-day concomitant boost radiotherapy) for 5 weeks and also concurrently for chemotherapy with cisplatin and also celecoxib. Results: The average age of the patients was 51.47 ± 11.49 years. The incidence of acute mucositis at the end of the 1st week was 33.3% that was gradually increased until the end of the 5th week (93.3%) and then had a ecreasing trend within the 6th week (70.0%). The incidence of acute dysphagia was estimated 23.3% at the end of the 1st week and reached 60% at completion of treatment. Conclusion: Scheduling a treatment approach with 6 days a week, accelerated radiation therapy using concomitant boost methods with chemotherapy, and celecoxib leads to significant reducing the incidence of complications in the final weeks of therapy in patients with locally advanced head and neck cancer. [ABSTRACT FROM AUTHOR]

Neuroendocrine carcinoma usually originates from lung. Few data exist in the literature regarding neuroendocrine carcinoma of the tongue. Patient data including history, surgical procedure, histology, and radiology investigations were collected and summarized. A 40-year-old woman was referred after partial glossectomy. Squamous mucosa with neoplasm and cells with round nuclei and light cytoplasm was reported in the tongue biopsy. Immunohistochemistry (IHC) staining was positive for cytokeratin, neuron specific enolase, synaptophysin and chromogranin and negative for leukocyte common antigen. This case showed a high proliferative activity (Ki-67 labeling index were 60%). These IHC findings were in favor of poorly differentiated neuroendocrine carcinoma. After surgery, she received chemotherapy and chemoradiation. The diagnosis of neuroendocrine tumors in the present case is based on immunohistochemical markers and cellular shapes. Postoperative chemoradiotherapy is a critical element of therapy for head and neck high-grade neuroendocrine carcinomas, our patient received this treatment after surgery. [ABSTRACT FROM AUTHOR]