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[Pleomorphic adenoma. Diagnostic difficulties. Value of ultrastructural and immunohistochemical studies. Apropos of 2
G Chomette1, M Auriol, F Guilbert
1Service d'Anatomie pathologique, Hôpital de la Pitié, Paris.
Revue De Stomatologie Et De Chirurgie Maxillo-Faciale
|January 1, 1987
Abstract:
2 cases of pleomorphic adenoma with unusual histological feature are related. In the 1st case, the tumor was mistaken for a schwannoma. The electron microscopic study only permitted the diagnosis; in the 2nd case, the tumor, obviously malignant, was firstly diagnosed as synovial sarcoma; in this case also, ultrastructural study permitted to recognize a malignant mixed tumor with an unusual "sarcomatous" change of its myoepithelial component.