We reviewed 391 cases of salivary gland tumors collected in a 13 year period at the Institute of Pathological Anatomy of the University of Modena, according to the new WHO classification (1991). A diagnosis of pleomorphic adenoma was changed in adenoid cystic carcinoma. Within malignant tumors, 16 cases were reclassified, and new entities, such as polymorphous low-grade adenocarcinoma, papillary cystoadenocarcinoma and salivary duct carcinoma were introduced. Mucoepidermoid carcinomas were subdivised in low-grade and high-grade tumors, but at the follow-up histological grade did not correlate with clinical behaviour of the lesions.
Salivary gland tumors: revision of 391 cases according to the new WHO classification / Cesinaro, Am; Criscuolo, M; Collina, G; Galetti, R; Migaldi, Mario; Lo Bianco, F.. - In: PATHOLOGICA. - ISSN 0031-2983. - STAMPA. - 86:(1994), pp. 602-605.
Salivary gland tumors: revision of 391 cases according to the new WHO classification.
MIGALDI, Mario;
1994
Abstract
We reviewed 391 cases of salivary gland tumors collected in a 13 year period at the Institute of Pathological Anatomy of the University of Modena, according to the new WHO classification (1991). A diagnosis of pleomorphic adenoma was changed in adenoid cystic carcinoma. Within malignant tumors, 16 cases were reclassified, and new entities, such as polymorphous low-grade adenocarcinoma, papillary cystoadenocarcinoma and salivary duct carcinoma were introduced. Mucoepidermoid carcinomas were subdivised in low-grade and high-grade tumors, but at the follow-up histological grade did not correlate with clinical behaviour of the lesions.
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