Squamous cell carcinoma of salivary gland origin

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Abstract
A 30-year retrospective analysis of 50 patients with squamous cell carcinoma of the salivary glands was conducted, including 42 patients with parotid tumors and eight with submandibular lesions. Clinical staging, performed for 48 patients in whom adequate data were available, yielded the following results: Stage I, 17%, Stage II, 12%, Stage III, 71%. Surgery was the primary therapy in 45 patients (86%). The determinate “cure” rate at 5 and 10 years was 24 and 18%, respectively, for patients with parotid lesions and 20% for those with submandibular tumors. As with other malignant salivary gland tumors, advanced stage and pain as a presenting symptom were ominous findings. Locoregional recurrence was the usual site of failure in both parotid (51%) and submandibular (67%) cases. Radical surgical extirpation, preserving the facial nerve when possible, remains our treatment of choice. It is anticipated that planned postoperative radiotherapy will reduce our high locoregional recurrence rates.

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