Epithelial tumors of the lacrimal gland: an update

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Purpose of reviewThe goal of this article is to offer an update on the treatment and prognosis of the most common epithelial tumors of the lacrimal gland, report on new pathological entities and offer a review of the classification of lacrimal gland tumors.Recent findingsImprovements have been made in the understanding of lacrimal gland lesions with the knowledge that lacrimal gland tumors compare to the more common counterparts of the major salivary glands. Therefore, the WHO's classification of salivary gland tumors has been adapted to the lacrimal gland pathology. Until recently, primary adenocarcinomas of the lacrimal gland were not further subclassified, but they can now be divided into low-grade and high-grade malignancies. The adjunctive use of intra-arterial cytoreductive chemotherapy for the management of adenoid cystic carcinoma is one of the most important advancements on the management of these aggressive tumors. Another important step forward has been taken on carcinoma ex pleomorphic adenoma of the lacrimal gland, which is subclassified into noninvasive carcinoma, with an excellent prognosis after complete excision and invasive carcinoma for which the prognosis is still guarded despite adjunctive radiotherapy.SummaryThis article offers an update on diagnosis, classification and treatment of common and rare epithelial lacrimal gland tumors.

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