Evaluation of the patient -- Orbital imaging and radiography -- The tumor survey -- Cysts and celes -- Fibrous and connective tissue tumors and proliferations -- Fibro-osseous, osseous, cartilaginous, vascular, and inflammatory tumors of orbital bone -- Tumors of primitive mesoderm, striated muscle, adipose tissue and smooth muscle -- Tumors of peripheral nerve sheath origin -- Primitive neuroectodermal tumors -- Vascular hamartomas, hyperplasia, and neoplasms -- Vascular malformations -- Malignant melanoma -- Hematopoietic tumors -- Histiocytic disorders -- Primary epithelial neoplasms -- Secondary epithelial neoplasms -- Metastatic carcinomas -- Meningioma -- Inflammatory orbital pseudotumors -- Miscellaneous orbital tumors -- Orbital surgery.