Providing complimentary oral nutritional supplementation significantly decreases weight loss and the need for PEG tube placement in patients undergoing radiation therapy for oropharyngeal cancer.

Curettage is one ofthe most common method for surgical treatment of bone metastasis. Local adjuvant improve most commonly used for improving the effect of curettage in local cancer surgery may exerted their effects either chemically either physically; in Orthopedic Oncology the most common are phenol, liquid nitrogen, laser, and cement. This article reviewed the main characteristics of the most common chemical and physical agents used in bone oncology, emphasizing the toxic effects of some of them, especially phenol and liquid nitrogen. BACKGROUND