Orbital tumors

Neoplasms involving the orbit are divided into primary and secondary types. Primary orbital tumors are rare, include a wide variety of histopathologic types, are usually benign, and most often are managed surgically. Secondar y orbital tumors are most often malignant, arise from the paranasal sinuses , and are managed with multiple modalities in a planned fashion. This artic le discusses primary and secondary orbital tumors, including their evaluati on and management.