Abstract
Malignant masses of the orbit include a large variety of neoplasms of epithelial or mesenchymal origin. The treatment of orbital malignancies is an essential interdisciplinary field of medicine that integrates ENT medicine, facial surgery, plastic surgery, neurosurgery, oncology and radiology.The main symptom of malignant orbital masses is the exophthalmos. A symptom that can help to differentiate a benign from a malignant orbital mass can be the pain. The main diagnostic tool is the MRI including new sequences like DWI and DCE.After presenting symptoms and diagnostic strategies of malignant orbital masses, this article starts with the description of malignant epithelial neoplasms of the lacrimal gland. Furthermore, it describes new insights in orbital lymphomas, followed by the discussion of semimalignant orbital masses. Last but not least the text deals with malignant neoplasms of the skin that can grow secondarily in the orbit. Finally, the manuscript discusses orbital metastases.
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