Baş ve boyun sitolojisi
Indications of Baş ve boyun sitolojisi
Sampling and preparation methods
Oral cavity
Cystic lesions
Anatomy and cytology of salivary glands
Tumor-like lesions of salivary glands
Benign salivary glands tumors
Malignant salivary glands tumors
Other lesions of salivary glands

Malignant myoepithelioma

This uncommon tumor is composed of malignant myoepithelial cells arranged in an infiltrative growing pattern and showing high mitotic activity. The cytology is that of a highly malignant tumor, the cells are rounded or elongated, marked nuclear atypia is present. Many bare atypical nuclei are usually visible. In some occasions cytoplasmic vacuolization, nuclear and cytoplasmic inclusions are found.

Malignant myoepithelioma - histology
Malignant myoepithelioma - cytology

 

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