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Stereotactic radiation therapy is a type of external radiation therapy that uses special equipment to position the patient and precisely deliver radiation to a tumor.The total dose of radiation is divided into several smaller doses given over several days.Stereotactic radiation therapy is used to treat brain tumors and other brain disorders. It is also being studied in the treatment of other types of cancer, such as lung cancer.Also called stereotactic external-beam radiation therapy and stereotaxic radiation therapy.What differentiates Stereotactic from conventional radiotherapy is the precision with which it is delivered.t is also being studied in the treatment of other types of cancer, such as lung cancer. Also called stereotactic external-beam radiation therapy and stereotaxic radiation therapy. What differentiates Stereotactic from conventional radiotherapy is the precision with which it is delivered.
Radiation therapy (RT) is often used to treat head and neck cancer. It can be used as the only treatment, in combination with chemotherapy (chemoradiation therapy), or after surgery (adjuvant radiation therapy). The goal of radiation therapy is to kill cancer cells.arly side effects include inflammation of the oropharyngeal mucosa (mucositis), painful swallowing (odynophagia), difficulty swallowing (dysphagia), hoarseness, lack of saliva (xerostomia), orofacial pain, dermatitis, hair loss, nausea, vomiting, i nadequate nutrition and hydration, and weight loss.