Accuracy of frozen‐section diagnosis in salivary gland neoplasms

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Abstract
A retrospective review of 100 patients with major or minor salivary gland neoplasms was conducted to ascertain the accuracy and effect on therapy of frozen-section diagnosis. Of these patients, 23% had malignant and 77% benign neoplasms. Twelve patients benefited by further surgery during the initial operation, and no treatment delay occurred as a result of frozen-section diagnosis. There were four incorrect diagnoses of clinical significance, two false positives (benign tumor called malignant on frozen section) and two false negatives (malignant tumor called benign on frozen section). The accuracy of frozen section for specific pathologic diagnosis was 92%. No unnecessary radical surgery was performed. Frozen-section diagnosis of salivary gland neoplasms in our institution was found to be accurate and useful.

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