Abstract
Spindle cell neoplasms comprise a diverse collection of benign and malignant tumors. These tumors are uncommon in the oral cavity, accounting for <1% of all tumors of oral region. Sarcomatoid squamous cell carcinoma (SSCC), also known as spindle cell carcinoma or Lane's tumor, is a rare and peculiar biphasic malignant neoplasm that occurs mainly in the upper aerodigestive tract. It is a variant of squamous cell carcinoma which has spindled or pleomorphic tumor cells which simulate a true sarcoma, but are epithelial in origin. It is an unusual aggressive variant that frequently recurs and metastasizes, reinforcing the importance of its correct diagnosis. We report two cases of SSCC with immunohistochemical findings.
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