Malignant Epithelial Tumors of the Lacrimal Gland

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Abstract
MASSES OF the lacrimal gland are generally divided into 4 categories: inflammatory lesions, lymphomas, metastatic cancer, and primary epithelial tumors. Metastatic carcinoma to the lacrimal gland is uncommon but can be observed, particularly with breast and lung carcinoma.1 The most common epithelial tumors are, in order, benign mixed tumor (BMT) (pleomorphic adenoma), adenoid cystic carcinoma, and adenocarcinoma. Other rare variants of carcinoma are also seen, such as mucoepidermoid carcinoma. Some of the primary malignant epithelial tumors may arise from a preexisting BMT (pleomorphic adenoma) through a malignant transformation, but most arise de novo.

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