Hyalinizing clear cell carcinoma (HCCC) is a rare, recently described tumor of salivary gland origin. Differential diagnosis includes benign lesions as clear cell change in a pleomorphic adenoma or in oncocytoma and malignant tumors – i.e. epithelial-myoepithelial carcinoma, polymorphous low-grade adenocarcinoma, mucoepidermoid carcinoma, clear cell acinic carcinoma, clear cell squamous carcinoma, clear cell malignant melanoma, clear cell odontogenic carcinoma, clear cell rhabdomyosarcoma, sebaceous carcinoma and metastasis of renal carcinoma. A favorable prognosis after wide local excision has been evidenced. Three new cases of HCCC (2 in the oral cavity and 1 in the parotid gland) are presented.

Keywords:
Hyalinizing clear cell carcinoma, Head and neck
1999
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