Table 1.
Modified shields classification of orbital lesions
| Cystic |
| Dermoid cyst |
| Mucocele |
| Epithelial cyst |
| Microphthalmos with cyst |
| Lacrimal gland cyst |
| Hematic cyst |
| Inflammatory simulating tumor |
| Inflammatory pseudotumor |
| Myositis |
| Sarcoid nodule |
| Adipose containing |
| Dermolipoma |
| Liposarcoma |
| Vasculogenic |
| Capillary hemangioma |
| Cavernous hemangioma |
| Orbital varix |
| Lymphangioma |
| Arteriovenous malformation |
| Rhabdomyosarcoma |
| Secondary/metastatic |
| Neuroblastoma |
| Retinoblastoma with orbital extension |
| Lacrimal gland/fossa |
| Dacryoadenitis |
| Ectopic lacrimal gland |
| Epithelial tumorsa |
| Dacryopsa |
| Lymphoid tumor/leukemia |
| Acute lymphatic leukemia |
| Burkitt’s lymphoma |
| Granulocytic (myeloid) sarcoma |
| Optic nerve/meningeal |
| Optic nerve glioma |
| Orbital meningioma |
| Peripheral nerve tumor |
| Neurofibroma |
| Osseous, fibro-osseous, cartilaginous |
| Osteoma |
| Fibrous histiocytoma |
| Fibro sarcoma |
| Fibrous dysplasia |
| Proliferative nodular fasciitis |
| Solitary fibrous tumorb |
| Histiocytic |
| Infantile xanthogranuloma |
| Histiocytosis x |
| Melanocytic |
| Miscellaneous |
| Pilomatrixoma |
| Malignant small cell tumor |
a
Proposed by the current authors;
b
Classified earlier as hemangiopericytoma (vasculogenic).