Salivary Gland Cancer Treatment (PDQ®): Treatment - Health Professional Information [NCI] - Treatment Option Overview
The minimum therapy for low-grade malignancies of the superficial portion of the parotid gland is a superficial parotidectomy. For all other lesions, a total parotidectomy is often indicated. The facial nerve or its branches should be resected if involved by tumor; repair can be done simultaneously. Growing evidence suggests that postoperative radiation therapy augments surgical resection, particularly for the high-grade neoplasms, when margins are close or involved, when tumors are large, or when histologic evidence of lymph node metastases is present.[1,2,3,4,5,6,7,8] Clinical trials, which have been completed in the United States and England, indicate that fast neutron-beam radiation therapy improves disease-free survival and overall survival in patients with unresectable tumors or for patients with recurrent neoplasms.[9,10,11,12] Facilities with fast neutron-beam radiation therapy are of limited availability in the United States. Accelerated hyperfractionated photon-beam radiation therapy has also resulted in high rates of long-term local regional controls.[13,14] The use of chemotherapy for malignant salivary gland tumors remains under evaluation.[15,16,17,18,19]
Standard Treatment Options
Survival of patients with renal cell carcinoma (RCC) is affected by stage of disease at presentation and the completeness of resection at radical nephrectomy. Overall survival rates range from 64% to 87%. The 5-year survival for stage I is 90% or higher, for stages II and III it is 50% to 80%, and for stage IV it is 9%, which is similar to the stage-for-stage survival in RCC in adults. Retrospective analyses and the small number of patients involved place limitations...
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