Malignant tumors in the paranasal sinuses and nasal cavity are mostly squamous cell carcinomas, with comparatively few adenocarcinomas. Adenocarcinoma developing in paranasal sinuses and nasal cavity generally has a low response to radiotherapy and low chemotherapeutic sensitivity, making surgery the most reliable treatment. However, advanced adenocarcinoma is often difficult to treat due to anatomical complexity, and the outcome may not be satisfactory.
View Article and Find Full Text PDFMalignant fibrous histiocytoma (MFH) is the most common soft-tissue sarcoma, but is relatively uncommon in head and neck area. Histologically, it is difficult to distinguish this tumor from other sarcomas and carcinomas. Surgery is the most reliable treatment for MFH, but the 5-year survival rate for cases of this tumor in the head and neck is low in comparison with MFH of the extremities and trunk.
View Article and Find Full Text PDFJuvenile nasopharyngeal angiofibroma (JNA) tumors can be locally destructive when they spread submucosally. The purpose of this study was to present an image-guided, robotic radiotherapy (Cyberknife) to successfully treat a 12-year-old boy with Juvenile nasopharyngeal angiofibroma (JNA). He complained of progressive right nasal obstruction, intermittent epistaxis.
View Article and Find Full Text PDF